diff options
Diffstat (limited to 'drivers')
241 files changed, 2693 insertions, 1374 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index be5d40ae1488..a110338c860c 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -41,8 +41,7 @@ obj-$(CONFIG_DMADEVICES) += dma/ # SOC specific infrastructure drivers. obj-y += soc/ -obj-$(CONFIG_VIRTIO) += virtio/ -obj-$(CONFIG_VIRTIO_PCI_LIB) += virtio/ +obj-y += virtio/ obj-$(CONFIG_VDPA) += vdpa/ obj-$(CONFIG_XEN) += xen/ diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index cdbdf68bd98f..60b5424bd318 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -524,6 +524,23 @@ config ACPI_PPTT bool endif +config ACPI_PCC + bool "ACPI PCC Address Space" + depends on PCC + default y + help + The PCC Address Space also referred as PCC Operation Region pertains + to the region of PCC subspace that succeeds the PCC signature. + + The PCC Operation Region works in conjunction with the PCC Table + (Platform Communications Channel Table). PCC subspaces that are + marked for use as PCC Operation Regions must not be used as PCC + subspaces for the standard ACPI features such as CPPC, RASF, PDTT and + MPST. These standard features must always use the PCC Table instead. + + Enable this feature if you want to set up and install the PCC Address + Space handler to handle PCC OpRegion in the firmware. + source "drivers/acpi/pmic/Kconfig" config ACPI_VIOT diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 3018714e87d9..08c2d985c57c 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -67,6 +67,7 @@ acpi-$(CONFIG_ACPI_LPIT) += acpi_lpit.o acpi-$(CONFIG_ACPI_GENERIC_GSI) += irq.o acpi-$(CONFIG_ACPI_WATCHDOG) += acpi_watchdog.o acpi-$(CONFIG_ACPI_PRMT) += prmt.o +acpi-$(CONFIG_ACPI_PCC) += acpi_pcc.o # Address translation acpi-$(CONFIG_ACPI_ADXL) += acpi_adxl.o diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 81aff651a0d4..db487ff9dd1b 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -48,19 +48,12 @@ static const struct acpi_device_id ac_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, ac_device_ids); -/* Lists of PMIC ACPI HIDs with an (often better) native charger driver */ -static const struct acpi_ac_bl acpi_ac_blacklist[] = { - { "INT33F4", -1 }, /* X-Powers AXP288 PMIC */ - { "INT34D3", 3 }, /* Intel Cherrytrail Whiskey Cove PMIC */ -}; - #ifdef CONFIG_PM_SLEEP static int acpi_ac_resume(struct device *dev); #endif static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); static int ac_sleep_before_get_state_ms; -static int ac_check_pmic = 1; static int ac_only; static struct acpi_driver acpi_ac_driver = { @@ -200,12 +193,6 @@ static int __init thinkpad_e530_quirk(const struct dmi_system_id *d) return 0; } -static int __init ac_do_not_check_pmic_quirk(const struct dmi_system_id *d) -{ - ac_check_pmic = 0; - return 0; -} - static int __init ac_only_quirk(const struct dmi_system_id *d) { ac_only = 1; @@ -215,13 +202,6 @@ static int __init ac_only_quirk(const struct dmi_system_id *d) /* Please keep this list alphabetically sorted */ static const struct dmi_system_id ac_dmi_table[] __initconst = { { - /* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */ - .callback = ac_do_not_check_pmic_quirk, - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"), - }, - }, - { /* Kodlix GK45 returning incorrect state */ .callback = ac_only_quirk, .matches = { @@ -229,15 +209,6 @@ static const struct dmi_system_id ac_dmi_table[] __initconst = { }, }, { - /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */ - .callback = ac_do_not_check_pmic_quirk, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "80XF"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), - }, - }, - { /* Lenovo Thinkpad e530, see comment in acpi_ac_notify() */ .callback = thinkpad_e530_quirk, .matches = { @@ -341,23 +312,15 @@ static int acpi_ac_remove(struct acpi_device *device) static int __init acpi_ac_init(void) { - unsigned int i; int result; if (acpi_disabled) return -ENODEV; - dmi_check_system(ac_dmi_table); + if (acpi_quirk_skip_acpi_ac_and_battery()) + return -ENODEV; - if (ac_check_pmic) { - for (i = 0; i < ARRAY_SIZE(acpi_ac_blacklist); i++) - if (acpi_dev_present(acpi_ac_blacklist[i].hid, "1", - acpi_ac_blacklist[i].hrv)) { - pr_info("found native %s PMIC, not loading\n", - acpi_ac_blacklist[i].hid); - return -ENODEV; - } - } + dmi_check_system(ac_dmi_table); result = acpi_bus_register_driver(&acpi_ac_driver); if (result < 0) diff --git a/drivers/acpi/acpi_pcc.c b/drivers/acpi/acpi_pcc.c new file mode 100644 index 000000000000..41e3ebd204ff --- /dev/null +++ b/drivers/acpi/acpi_pcc.c @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Author: Sudeep Holla <sudeep.holla@arm.com> + * Copyright 2021 Arm Limited + * + * The PCC Address Space also referred as PCC Operation Region pertains to the + * region of PCC subspace that succeeds the PCC signature. The PCC Operation + * Region works in conjunction with the PCC Table(Platform Communications + * Channel Table). PCC subspaces that are marked for use as PCC Operation + * Regions must not be used as PCC subspaces for the standard ACPI features + * such as CPPC, RASF, PDTT and MPST. These standard features must always use + * the PCC Table instead. + * + * This driver sets up the PCC Address Space and installs an handler to enable + * handling of PCC OpRegion in the firmware. + * + */ +#include <linux/kernel.h> +#include <linux/acpi.h> +#include <linux/completion.h> +#include <linux/idr.h> +#include <linux/io.h> + +#include <acpi/pcc.h> + +struct pcc_data { + struct pcc_mbox_chan *pcc_chan; + void __iomem *pcc_comm_addr; + struct completion done; + struct mbox_client cl; + struct acpi_pcc_info ctx; +}; + +struct acpi_pcc_info pcc_ctx; + +static void pcc_rx_callback(struct mbox_client *cl, void *m) +{ + struct pcc_data *data = container_of(cl, struct pcc_data, cl); + + complete(&data->done); +} + +static acpi_status +acpi_pcc_address_space_setup(acpi_handle region_handle, u32 function, + void *handler_context, void **region_context) +{ + struct pcc_data *data; + struct acpi_pcc_info *ctx = handler_context; + struct pcc_mbox_chan *pcc_chan; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return AE_NO_MEMORY; + + data->cl.rx_callback = pcc_rx_callback; + data->cl.knows_txdone = true; + data->ctx.length = ctx->length; + data->ctx.subspace_id = ctx->subspace_id; + data->ctx.internal_buffer = ctx->internal_buffer; + + init_completion(&data->done); + data->pcc_chan = pcc_mbox_request_channel(&data->cl, ctx->subspace_id); + if (IS_ERR(data->pcc_chan)) { + pr_err("Failed to find PCC channel for subspace %d\n", + ctx->subspace_id); + return AE_NOT_FOUND; + } + + pcc_chan = data->pcc_chan; + data->pcc_comm_addr = acpi_os_ioremap(pcc_chan->shmem_base_addr, + pcc_chan->shmem_size); + if (!data->pcc_comm_addr) { + pr_err("Failed to ioremap PCC comm region mem for %d\n", + ctx->subspace_id); + return AE_NO_MEMORY; + } + + *region_context = data; + return AE_OK; +} + +static acpi_status +acpi_pcc_address_space_handler(u32 function, acpi_physical_address addr, + u32 bits, acpi_integer *value, + void *handler_context, void *region_context) +{ + int ret; + struct pcc_data *data = region_context; + + reinit_completion(&data->done); + + /* Write to Shared Memory */ + memcpy_toio(data->pcc_comm_addr, (void *)value, data->ctx.length); + + ret = mbox_send_message(data->pcc_chan->mchan, NULL); + if (ret < 0) + return AE_ERROR; + + if (data->pcc_chan->mchan->mbox->txdone_irq) + wait_for_completion(&data->done); + + mbox_client_txdone(data->pcc_chan->mchan, ret); + + memcpy_fromio(value, data->pcc_comm_addr, data->ctx.length); + + return AE_OK; +} + +void __init acpi_init_pcc(void) +{ + acpi_status status; + + status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_PLATFORM_COMM, + &acpi_pcc_address_space_handler, + &acpi_pcc_address_space_setup, + &pcc_ctx); + if (ACPI_FAILURE(status)) + pr_alert("OperationRegion handler could not be installed\n"); +} diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 42ede059728c..990ff5b0aeb8 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -1733,13 +1733,12 @@ acpi_video_bus_match(acpi_handle handle, u32 level, void *context, { struct acpi_device *device = context; struct acpi_device *sibling; - int result; if (handle == device->handle) return AE_CTRL_TERMINATE; - result = acpi_bus_get_device(handle, &sibling); - if (result) + sibling = acpi_fetch_acpi_dev(handle); + if (!sibling) return AE_OK; if (!strcmp(acpi_device_name(sibling), ACPI_VIDEO_BUS_NAME)) diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 82a75964343b..b29ba436944a 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -224,6 +224,11 @@ acpi_ev_pci_bar_region_setup(acpi_handle handle, void *handler_context, void **region_context); acpi_status +acpi_ev_data_table_region_setup(acpi_handle handle, + u32 function, + void *handler_context, void **region_context); + +acpi_status acpi_ev_default_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index 9db5ae0f79ea..0aa0d847cb25 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -138,6 +138,7 @@ struct acpi_object_region { union acpi_operand_object *next; acpi_physical_address address; u32 length; + void *pointer; /* Only for data table regions */ }; struct acpi_object_method { diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index e2d0046799a2..533802fe73e9 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -35,7 +35,8 @@ acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc, acpi_status acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc, - acpi_physical_address address, u8 flags); + acpi_physical_address address, + u8 flags, struct acpi_table_header *table); void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc); @@ -86,6 +87,7 @@ acpi_tb_release_table(struct acpi_table_header *table, acpi_status acpi_tb_install_standard_table(acpi_physical_address address, u8 flags, + struct acpi_table_header *table, u8 reload, u8 override, u32 *table_index); void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc); @@ -95,7 +97,9 @@ acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node); acpi_status acpi_tb_install_and_load_table(acpi_physical_address address, - u8 flags, u8 override, u32 *table_index); + u8 flags, + struct acpi_table_header *table, + u8 override, u32 *table_index); acpi_status acpi_tb_unload_table(u32 table_index); diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index 639635291ab7..44c448269861 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -531,6 +531,7 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, obj_desc->region.address = ACPI_PTR_TO_PHYSADDR(table); obj_desc->region.length = table->length; + obj_desc->region.pointer = table; ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", obj_desc, diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c index c0cd7147a5a3..8f43d38dc4ca 100644 --- a/drivers/acpi/acpica/evhandler.c +++ b/drivers/acpi/acpica/evhandler.c @@ -386,7 +386,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node *node, case ACPI_ADR_SPACE_DATA_TABLE: handler = acpi_ex_data_table_space_handler; - setup = NULL; + setup = acpi_ev_data_table_region_setup; break; default: diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 4ef43c8ef5e7..b9d77d327d38 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -162,6 +162,16 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_NOT_EXIST); } + if (region_obj->region.space_id == ACPI_ADR_SPACE_PLATFORM_COMM) { + struct acpi_pcc_info *ctx = + handler_desc->address_space.context; + + ctx->internal_buffer = + field_obj->field.internal_pcc_buffer; + ctx->length = (u16)region_obj->region.length; + ctx->subspace_id = (u8)region_obj->region.address; + } + /* * We must exit the interpreter because the region setup will * potentially execute control methods (for example, the _REG method diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 984c172453bf..d28dee929e61 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -408,6 +408,58 @@ acpi_ev_cmos_region_setup(acpi_handle handle, /******************************************************************************* * + * FUNCTION: acpi_ev_data_table_region_setup + * + * PARAMETERS: handle - Region we are interested in + * function - Start or stop + * handler_context - Address space handler context + * region_context - Region specific context + * + * RETURN: Status + * + * DESCRIPTION: Setup a data_table_region + * + * MUTEX: Assumes namespace is not locked + * + ******************************************************************************/ + +acpi_status +acpi_ev_data_table_region_setup(acpi_handle handle, + u32 function, + void *handler_context, void **region_context) +{ + union acpi_operand_object *region_desc = + (union acpi_operand_object *)handle; + struct acpi_data_table_space_context *local_region_context; + + ACPI_FUNCTION_TRACE(ev_data_table_region_setup); + + if (function == ACPI_REGION_DEACTIVATE) { + if (*region_context) { + ACPI_FREE(*region_context); + *region_context = NULL; + } + return_ACPI_STATUS(AE_OK); + } + + /* Create a new context */ + + local_region_context = + ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_data_table_space_context)); + if (!(local_region_context)) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* Save the data table pointer for use in the handler */ + + local_region_context->pointer = region_desc->region.pointer; + + *region_context = local_region_context; + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * * FUNCTION: acpi_ev_default_region_setup * * PARAMETERS: handle - Region we are interested in diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 0cd9b3738e76..6c2685a6a4c1 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -411,7 +411,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, acpi_ex_exit_interpreter(); status = acpi_tb_install_and_load_table(ACPI_PTR_TO_PHYSADDR(table), ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, - TRUE, &table_index); + table, TRUE, &table_index); acpi_ex_enter_interpreter(); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 80b52ad55775..deb3674ae726 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -279,6 +279,7 @@ acpi_ex_create_region(u8 * aml_start, obj_desc->region.space_id = space_id; obj_desc->region.address = 0; obj_desc->region.length = 0; + obj_desc->region.pointer = NULL; obj_desc->region.node = node; obj_desc->region.handler = NULL; obj_desc->common.flags &= diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index 06f3c9df1e22..8618500f23b3 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -330,12 +330,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, obj_desc->field.base_byte_offset, source_desc->buffer.pointer, data_length); - if ((obj_desc->field.region_obj->region.address == - PCC_MASTER_SUBSPACE - && MASTER_SUBSPACE_COMMAND(obj_desc->field. - base_byte_offset)) - || GENERIC_SUBSPACE_COMMAND(obj_desc->field. - base_byte_offset)) { + if (MASTER_SUBSPACE_COMMAND(obj_desc->field.base_byte_offset)) { /* Perform the write */ diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c index b639e930d642..44b7c350ed5c 100644 --- a/drivers/acpi/acpica/exoparg1.c +++ b/drivers/acpi/acpica/exoparg1.c @@ -1007,7 +1007,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) (walk_state, return_desc, &temp_desc); if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS + (status); } return_desc = temp_desc; diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 82b713a9a193..48c19908fa4e 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -509,8 +509,15 @@ acpi_ex_data_table_space_handler(u32 function, u64 *value, void *handler_context, void *region_context) { + struct acpi_data_table_space_context *mapping; + char *pointer; + ACPI_FUNCTION_TRACE(ex_data_table_space_handler); + mapping = (struct acpi_data_table_space_context *) region_context; + pointer = ACPI_CAST_PTR(char, mapping->pointer) + + (address - ACPI_PTR_TO_PHYSADDR(mapping->pointer)); + /* * Perform the memory read or write. The bit_width was already * validated. @@ -518,14 +525,14 @@ acpi_ex_data_table_space_handler(u32 function, switch (function) { case ACPI_READ: - memcpy(ACPI_CAST_PTR(char, value), - ACPI_PHYSADDR_TO_PTR(address), ACPI_DIV_8(bit_width)); + memcpy(ACPI_CAST_PTR(char, value), pointer, + ACPI_DIV_8(bit_width)); break; case ACPI_WRITE: - memcpy(ACPI_PHYSADDR_TO_PTR(address), - ACPI_CAST_PTR(char, value), ACPI_DIV_8(bit_width)); + memcpy(pointer, ACPI_CAST_PTR(char, value), + ACPI_DIV_8(bit_width)); break; default: diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 808fdf54aeeb..7ee2939c08cd 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -104,7 +104,9 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) /* Flush caches, as per ACPI specification */ - ACPI_FLUSH_CPU_CACHE(); + if (sleep_state < ACPI_STATE_S4) { + ACPI_FLUSH_CPU_CACHE(); + } status = acpi_os_enter_sleep(sleep_state, sleep_control, 0); if (status == AE_CTRL_TERMINATE) { diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 34a3825f25d3..5efa3d8e483e 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -110,7 +110,9 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state) /* Flush caches, as per ACPI specification */ - ACPI_FLUSH_CPU_CACHE(); + if (sleep_state < ACPI_STATE_S4) { + ACPI_FLUSH_CPU_CACHE(); + } status = acpi_os_enter_sleep(sleep_state, pm1a_control, pm1b_control); if (status == AE_CTRL_TERMINATE) { diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index e4cde23a2906..ba77598ee43e 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -162,8 +162,6 @@ acpi_status acpi_enter_sleep_state_s4bios(void) return_ACPI_STATUS(status); } - ACPI_FLUSH_CPU_CACHE(); - status = acpi_hw_write_port(acpi_gbl_FADT.smi_command, (u32)acpi_gbl_FADT.s4_bios_request, 8); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index ebbca109edcb..20360a9db482 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -89,14 +89,27 @@ acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc, { /* - * Initialize the table descriptor. Set the pointer to NULL, since the - * table is not fully mapped at this time. + * Initialize the table descriptor. Set the pointer to NULL for external + * tables, since the table is not fully mapped at this time. */ memset(table_desc, 0, sizeof(struct acpi_table_desc)); table_desc->address = address; table_desc->length = table->length; table_desc->flags = flags; ACPI_MOVE_32_TO_32(table_desc->signature.ascii, table->signature); + + switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) { + case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: + case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: + + table_desc->pointer = table; + break; + + case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL: + default: + + break; + } } /******************************************************************************* @@ -132,9 +145,7 @@ acpi_tb_acquire_table(struct acpi_table_desc *table_desc, case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: - table = ACPI_CAST_PTR(struct acpi_table_header, - ACPI_PHYSADDR_TO_PTR(table_desc-> - address)); + table = table_desc->pointer; break; default: @@ -196,6 +207,8 @@ acpi_tb_release_table(struct acpi_table_header *table, * PARAMETERS: table_desc - Table descriptor to be acquired * address - Address of the table * flags - Allocation flags of the table + * table - Pointer to the table (required for virtual + * origins, optional for physical) * * RETURN: Status * @@ -208,49 +221,52 @@ acpi_tb_release_table(struct acpi_table_header *table, acpi_status acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc, - acpi_physical_address address, u8 flags) + acpi_physical_address address, + u8 flags, struct acpi_table_header *table) { - struct acpi_table_header *table_header; + u8 mapped_table = FALSE; switch (flags & ACPI_TABLE_ORIGIN_MASK) { case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL: /* Get the length of the full table from the header */ - table_header = - acpi_os_map_memory(address, - sizeof(struct acpi_table_header)); - if (!table_header) { - return (AE_NO_MEMORY); + if (!table) { + table = + acpi_os_map_memory(address, + sizeof(struct + acpi_table_header)); + if (!table) { + return (AE_NO_MEMORY); + } + + mapped_table = TRUE; } - acpi_tb_init_table_descriptor(table_desc, address, flags, - table_header); - acpi_os_unmap_memory(table_header, - sizeof(struct acpi_table_header)); - return (AE_OK); + break; case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: - table_header = ACPI_CAST_PTR(struct acpi_table_header, - ACPI_PHYSADDR_TO_PTR(address)); - if (!table_header) { - return (AE_NO_MEMORY); + if (!table) { + return (AE_BAD_PARAMETER); } - acpi_tb_init_table_descriptor(table_desc, address, flags, - table_header); - return (AE_OK); + break; default: - break; + /* Table is not valid yet */ + + return (AE_NO_MEMORY); } - /* Table is not valid yet */ + acpi_tb_init_table_descriptor(table_desc, address, flags, table); + if (mapped_table) { + acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); + } - return (AE_NO_MEMORY); + return (AE_OK); } /******************************************************************************* @@ -335,7 +351,19 @@ void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc) acpi_tb_release_table(table_desc->pointer, table_desc->length, table_desc->flags); - table_desc->pointer = NULL; + + switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) { + case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL: + + table_desc->pointer = NULL; + break; + + case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: + case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: + default: + + break; + } return_VOID; } @@ -959,6 +987,9 @@ acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node) * * PARAMETERS: address - Physical address of the table * flags - Allocation flags of the table + * table - Pointer to the table (required for + * virtual origins, optional for + * physical) * override - Whether override should be performed * table_index - Where table index is returned * @@ -970,7 +1001,9 @@ acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node) acpi_status acpi_tb_install_and_load_table(acpi_physical_address address, - u8 flags, u8 override, u32 *table_index) + u8 flags, + struct acpi_table_header *table, + u8 override, u32 *table_index) { acpi_status status; u32 i; @@ -979,7 +1012,7 @@ acpi_tb_install_and_load_table(acpi_physical_address address, /* Install the table and load it into the namespace */ - status = acpi_tb_install_standard_table(address, flags, TRUE, + status = acpi_tb_install_standard_table(address, flags, table, TRUE, override, &i); if (ACPI_FAILURE(status)) { goto exit; diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 5174abfa8af9..047bd094ba68 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -313,7 +313,7 @@ void acpi_tb_parse_fadt(void) acpi_tb_install_standard_table((acpi_physical_address)acpi_gbl_FADT. Xdsdt, ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, - FALSE, TRUE, &acpi_gbl_dsdt_index); + NULL, FALSE, TRUE, &acpi_gbl_dsdt_index); /* If Hardware Reduced flag is set, there is no FACS */ @@ -322,14 +322,14 @@ void acpi_tb_parse_fadt(void) acpi_tb_install_standard_table((acpi_physical_address) acpi_gbl_FADT.facs, ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, - FALSE, TRUE, + NULL, FALSE, TRUE, &acpi_gbl_facs_index); } if (acpi_gbl_FADT.Xfacs) { acpi_tb_install_standard_table((acpi_physical_address) acpi_gbl_FADT.Xfacs, ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, - FALSE, TRUE, + NULL, FALSE, TRUE, &acpi_gbl_xfacs_index); } } diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 8d1e5b572493..5649f493a1ed 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -79,6 +79,8 @@ acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc, * PARAMETERS: address - Address of the table (might be a virtual * address depending on the table_flags) * flags - Flags for the table + * table - Pointer to the table (required for virtual + * origins, optional for physical) * reload - Whether reload should be performed * override - Whether override should be performed * table_index - Where the table index is returned @@ -96,6 +98,7 @@ acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc, acpi_status acpi_tb_install_standard_table(acpi_physical_address address, u8 flags, + struct acpi_table_header *table, u8 reload, u8 override, u32 *table_index) { u32 i; @@ -106,7 +109,8 @@ acpi_tb_install_standard_table(acpi_physical_address address, /* Acquire a temporary table descriptor for validation */ - status = acpi_tb_acquire_temp_table(&new_table_desc, address, flags); + status = + acpi_tb_acquire_temp_table(&new_table_desc, address, flags, table); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not acquire table length at %8.8X%8.8X", @@ -209,7 +213,8 @@ void acpi_tb_override_table(struct acpi_table_desc *old_table_desc) if (ACPI_SUCCESS(status) && table) { acpi_tb_acquire_temp_table(&new_table_desc, ACPI_PTR_TO_PHYSADDR(table), - ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL); + ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, + table); ACPI_ERROR_ONLY(override_type = "Logical"); goto finish_override; } @@ -220,7 +225,8 @@ void acpi_tb_override_table(struct acpi_table_desc *old_table_desc) &address, &length); if (ACPI_SUCCESS(status) && address && length) { acpi_tb_acquire_temp_table(&new_table_desc, address, - ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL); + ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, + NULL); ACPI_ERROR_ONLY(override_type = "Physical"); goto finish_override; } @@ -289,7 +295,8 @@ void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc) if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) == ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL) { - ACPI_FREE(ACPI_PHYSADDR_TO_PTR(table_desc->address)); + ACPI_FREE(table_desc->pointer); + table_desc->pointer = NULL; } table_desc->address = ACPI_PTR_TO_PHYSADDR(NULL); diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c index 254823d494a2..4dac16bd63d3 100644 --- a/drivers/acpi/acpica/tbprint.c +++ b/drivers/acpi/acpica/tbprint.c @@ -101,7 +101,8 @@ acpi_tb_print_table_header(acpi_physical_address address, ACPI_INFO(("%-4.4s 0x%8.8X%8.8X %06X", header->signature, ACPI_FORMAT_UINT64(address), header->length)); - } else if (ACPI_VALIDATE_RSDP_SIG(header->signature)) { + } else if (ACPI_VALIDATE_RSDP_SIG(ACPI_CAST_PTR(struct acpi_table_rsdp, + header)->signature)) { /* RSDP has no common fields */ diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 4b9b329a5a92..5e8d50a4b6a9 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -328,7 +328,7 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address) status = acpi_tb_install_standard_table(address, ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, - FALSE, TRUE, + NULL, FALSE, TRUE, &table_index); if (ACPI_SUCCESS(status) && diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 38623049b962..87356d9ad613 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -227,9 +227,7 @@ unlock_and_exit: * * FUNCTION: acpi_install_table * - * PARAMETERS: address - Address of the ACPI table to be installed. - * physical - Whether the address is a physical table - * address or not + * PARAMETERS: table - Pointer to the ACPI table to be installed. * * RETURN: Status * @@ -240,22 +238,17 @@ unlock_and_exit: ******************************************************************************/ acpi_status ACPI_INIT_FUNCTION -acpi_install_table(acpi_physical_address address, u8 physical) +acpi_install_table(struct acpi_table_header *table) { acpi_status status; - u8 flags; u32 table_index; ACPI_FUNCTION_TRACE(acpi_install_table); - if (physical) { - flags = ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL; - } else { - flags = ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL; - } - - status = acpi_tb_install_standard_table(address, flags, - FALSE, FALSE, &table_index); + status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table), + ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, + table, FALSE, FALSE, + &table_index); return_ACPI_STATUS(status); } @@ -264,6 +257,37 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_install_table) /******************************************************************************* * + * FUNCTION: acpi_install_physical_table + * + * PARAMETERS: address - Address of the ACPI table to be installed. + * + * RETURN: Status + * + * DESCRIPTION: Dynamically install an ACPI table. + * Note: This function should only be invoked after + * acpi_initialize_tables() and before acpi_load_tables(). + * + ******************************************************************************/ +acpi_status ACPI_INIT_FUNCTION +acpi_install_physical_table(acpi_physical_address address) +{ + acpi_status status; + u32 table_index; + + ACPI_FUNCTION_TRACE(acpi_install_physical_table); + + status = acpi_tb_install_standard_table(address, + ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, + NULL, FALSE, FALSE, + &table_index); + + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL_INIT(acpi_install_physical_table) + +/******************************************************************************* + * * FUNCTION: acpi_load_table * * PARAMETERS: table - Pointer to a buffer containing the ACPI @@ -298,7 +322,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table, u32 *table_idx) ACPI_INFO(("Host-directed Dynamic ACPI Table Load:")); status = acpi_tb_install_and_load_table(ACPI_PTR_TO_PHYSADDR(table), ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, - FALSE, &table_index); + table, FALSE, &table_index); if (table_idx) { *table_idx = table_index; } diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index e5ba9795ec69..8d7736d2d269 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -422,6 +422,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action) ACPI_WARNING((AE_INFO, "Obj %p, Reference Count is already zero, cannot decrement\n", object)); + return; } ACPI_DEBUG_PRINT_RAW((ACPI_DB_ALLOCATIONS, diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 8afa85d6eb6a..ea31ae01458b 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -52,7 +52,7 @@ static bool battery_driver_registered; static int battery_bix_broken_package; static int battery_notification_delay_ms; static int battery_ac_is_broken; -static int battery_check_pmic = 1; +static int battery_quirk_notcharging; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -64,11 +64,6 @@ static const struct acpi_device_id battery_device_ids[] = { MODULE_DEVICE_TABLE(acpi, battery_device_ids); -/* Lists of PMIC ACPI HIDs with an (often better) native battery driver */ -static const char * const acpi_battery_blacklist[] = { - "INT33F4", /* X-Powers AXP288 PMIC */ -}; - enum { ACPI_BATTERY_ALARM_PRESENT, ACPI_BATTERY_XINFO_PRESENT, @@ -217,6 +212,8 @@ static int acpi_battery_get_property(struct power_supply *psy, val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (acpi_battery_is_charged(battery)) val->intval = POWER_SUPPLY_STATUS_FULL; + else if (battery_quirk_notcharging) + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; else val->intval = POWER_SUPPLY_STATUS_UNKNOWN; break; @@ -1104,10 +1101,9 @@ battery_ac_is_broken_quirk(const struct dmi_system_id *d) return 0; } -static int __init -battery_do_not_check_pmic_quirk(const struct dmi_system_id *d) +static int __init battery_quirk_not_charging(const struct dmi_system_id *d) { - battery_check_pmic = 0; + battery_quirk_notcharging = 1; return 0; } @@ -1140,19 +1136,16 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = { }, }, { - /* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */ - .callback = battery_do_not_check_pmic_quirk, - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"), - }, - }, - { - /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */ - .callback = battery_do_not_check_pmic_quirk, + /* + * On Lenovo ThinkPads the BIOS specification defines + * a state when the bits for charging and discharging + * are both set to 0. That state is "Not Charging". + */ + .callback = battery_quirk_not_charging, + .ident = "Lenovo ThinkPad", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "80XF"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad"), }, }, {}, @@ -1279,19 +1272,12 @@ static struct acpi_driver acpi_battery_driver = { static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) { - unsigned int i; int result; - dmi_check_system(bat_dmi_table); + if (acpi_quirk_skip_acpi_ac_and_battery()) + return; - if (battery_check_pmic) { - for (i = 0; i < ARRAY_SIZE(acpi_battery_blacklist); i++) - if (acpi_dev_present(acpi_battery_blacklist[i], "1", -1)) { - pr_info("found native %s PMIC, not loading\n", - acpi_battery_blacklist[i]); - return; - } - } + dmi_check_system(bat_dmi_table); result = acpi_bus_register_driver(&acpi_battery_driver); battery_driver_registered = (result == 0); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index fa923a929224..75a61626eddd 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -98,8 +98,8 @@ int acpi_bus_get_status(struct acpi_device *device) acpi_status status; unsigned long long sta; - if (acpi_device_always_present(device)) { - acpi_set_device_status(device, ACPI_STA_DEFAULT); + if (acpi_device_override_status(device, &sta)) { + acpi_set_device_status(device, sta); return 0; } @@ -1320,6 +1320,7 @@ static int __init acpi_init(void) pr_debug("%s: kset create error\n", __func__); init_prmt(); + acpi_init_pcc(); result = acpi_bus_init(); if (result) { kobject_put(acpi_kobj); diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index b62c87b8ce4a..e9ac5ea1dfc9 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -179,10 +179,11 @@ static struct attribute *cppc_attrs[] = { &lowest_freq.attr, NULL }; +ATTRIBUTE_GROUPS(cppc); static struct kobj_type cppc_ktype = { .sysfs_ops = &kobj_sysfs_ops, - .default_attrs = cppc_attrs, + .default_groups = cppc_groups, }; static int check_pcc_chan(int pcc_ss_id, bool chk_err_bit) @@ -604,47 +605,30 @@ static bool is_cppc_supported(int revision, int num_ent) /* * An example CPC table looks like the following. * - * Name(_CPC, Package() - * { - * 17, - * NumEntries - * 1, - * // Revision - * ResourceTemplate(){Register(PCC, 32, 0, 0x120, 2)}, - * // Highest Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x124, 2)}, - * // Nominal Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x128, 2)}, - * // Lowest Nonlinear Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x12C, 2)}, - * // Lowest Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x130, 2)}, - * // Guaranteed Performance Register - * ResourceTemplate(){Register(PCC, 32, 0, 0x110, 2)}, - * // Desired Performance Register - * ResourceTemplate(){Register(SystemMemory, 0, 0, 0, 0)}, - * .. - * .. - * .. - * - * } + * Name (_CPC, Package() { + * 17, // NumEntries + * 1, // Revision + * ResourceTemplate() {Register(PCC, 32, 0, 0x120, 2)}, // Highest Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x124, 2)}, // Nominal Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x128, 2)}, // Lowest Nonlinear Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x12C, 2)}, // Lowest Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x130, 2)}, // Guaranteed Performance Register + * ResourceTemplate() {Register(PCC, 32, 0, 0x110, 2)}, // Desired Performance Register + * ResourceTemplate() {Register(SystemMemory, 0, 0, 0, 0)}, + * ... + * ... + * ... + * } * Each Register() encodes how to access that specific register. * e.g. a sample PCC entry has the following encoding: * - * Register ( - * PCC, - * AddressSpaceKeyword - * 8, - * //RegisterBitWidth - * 8, - * //RegisterBitOffset - * 0x30, - * //RegisterAddress - * 9 - * //AccessSize (subspace ID) - * 0 - * ) - * } + * Register ( + * PCC, // AddressSpaceKeyword + * 8, // RegisterBitWidth + * 8, // RegisterBitOffset + * 0x30, // RegisterAddress + * 9, // AccessSize (subspace ID) + * ) */ #ifndef init_freq_invariance_cppc diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 19b33c028f35..cc6c97e7dcae 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -285,14 +285,12 @@ EXPORT_SYMBOL(acpi_device_set_power); int acpi_bus_set_power(acpi_handle handle, int state) { - struct acpi_device *device; - int result; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); - result = acpi_bus_get_device(handle, &device); - if (result) - return result; + if (device) + return acpi_device_set_power(device, state); - return acpi_device_set_power(device, state); + return -ENODEV; } EXPORT_SYMBOL(acpi_bus_set_power); @@ -410,21 +408,20 @@ EXPORT_SYMBOL_GPL(acpi_device_update_power); int acpi_bus_update_power(acpi_handle handle, int *state_p) { - struct acpi_device *device; - int result; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); - result = acpi_bus_get_device(handle, &device); - return result ? result : acpi_device_update_power(device, state_p); + if (device) + return acpi_device_update_power(device, state_p); + + return -ENODEV; } EXPORT_SYMBOL_GPL(acpi_bus_update_power); bool acpi_bus_power_manageable(acpi_handle handle) { - struct acpi_device *device; - int result; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); - result = acpi_bus_get_device(handle, &device); - return result ? false : device->flags.power_manageable; + return device && device->flags.power_manageable; } EXPORT_SYMBOL(acpi_bus_power_manageable); @@ -543,11 +540,9 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev) bool acpi_bus_can_wakeup(acpi_handle handle) { - struct acpi_device *device; - int result; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); - result = acpi_bus_get_device(handle, &device); - return result ? false : device->wakeup.flags.valid; + return device && device->wakeup.flags.valid; } EXPORT_SYMBOL(acpi_bus_can_wakeup); diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 61271e61c307..d5d6403ba07b 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -53,6 +53,7 @@ static struct attribute *acpi_data_node_default_attrs[] = { &data_node_path.attr, NULL }; +ATTRIBUTE_GROUPS(acpi_data_node_default); #define to_data_node(k) container_of(k, struct acpi_data_node, kobj) #define to_attr(a) container_of(a, struct acpi_data_node_attr, attr) @@ -79,7 +80,7 @@ static void acpi_data_node_release(struct kobject *kobj) static struct kobj_type acpi_data_node_ktype = { .sysfs_ops = &acpi_data_node_sysfs_ops, - .default_attrs = acpi_data_node_default_attrs, + .default_groups = acpi_data_node_default_groups, .release = acpi_data_node_release, }; diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index c8e9b962e18c..a89bdbe00184 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -489,9 +489,8 @@ static ssize_t docked_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dock_station *dock_station = dev->platform_data; - struct acpi_device *adev = NULL; + struct acpi_device *adev = acpi_fetch_acpi_dev(dock_station->handle); - acpi_bus_get_device(dock_station->handle, &adev); return sysfs_emit(buf, "%u\n", acpi_device_enumerated(adev)); } static DEVICE_ATTR_RO(docked); diff --git a/drivers/acpi/dptf/dptf_pch_fivr.c b/drivers/acpi/dptf/dptf_pch_fivr.c index f4e9c2ef2f88..e7ab0fc90db9 100644 --- a/drivers/acpi/dptf/dptf_pch_fivr.c +++ b/drivers/acpi/dptf/dptf_pch_fivr.c @@ -46,7 +46,7 @@ release_buffer: } /* - * Presentation of attributes which are defined for INT1045 + * Presentation of attributes which are defined for INTC10xx * They are: * freq_mhz_low_clock : Set PCH FIVR switching freq for * FIVR clock 19.2MHz and 24MHz diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index a6366d3f0c78..0077d2c85df8 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -92,8 +92,6 @@ enum ec_command { enum { EC_FLAGS_QUERY_ENABLED, /* Query is enabled */ - EC_FLAGS_QUERY_PENDING, /* Query is pending */ - EC_FLAGS_QUERY_GUARDING, /* Guard for SCI_EVT check */ EC_FLAGS_EVENT_HANDLER_INSTALLED, /* Event handler installed */ EC_FLAGS_EC_HANDLER_INSTALLED, /* OpReg handler installed */ EC_FLAGS_QUERY_METHODS_INSTALLED, /* _Qxx handlers installed */ @@ -166,12 +164,12 @@ struct acpi_ec_query { struct transaction transaction; struct work_struct work; struct acpi_ec_query_handler *handler; + struct acpi_ec *ec; }; -static int acpi_ec_query(struct acpi_ec *ec, u8 *data); -static void advance_transaction(struct acpi_ec *ec, bool interrupt); +static int acpi_ec_submit_query(struct acpi_ec *ec); +static bool advance_transaction(struct acpi_ec *ec, bool interrupt); static void acpi_ec_event_handler(struct work_struct *work); -static void acpi_ec_event_processor(struct work_struct *work); struct acpi_ec *first_ec; EXPORT_SYMBOL(first_ec); @@ -443,24 +441,51 @@ static bool acpi_ec_submit_flushable_request(struct acpi_ec *ec) return true; } -static void acpi_ec_submit_query(struct acpi_ec *ec) +static bool acpi_ec_submit_event(struct acpi_ec *ec) { acpi_ec_mask_events(ec); if (!acpi_ec_event_enabled(ec)) - return; - if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) { + return false; + + if (ec->event_state == EC_EVENT_READY) { ec_dbg_evt("Command(%s) submitted/blocked", acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY)); - ec->nr_pending_queries++; - queue_work(ec_wq, &ec->work); + + ec->event_state = EC_EVENT_IN_PROGRESS; + /* + * If events_to_process is greqter than 0 at this point, the + * while () loop in acpi_ec_event_handler() is still running + * and incrementing events_to_process will cause it to invoke + * acpi_ec_submit_query() once more, so it is not necessary to + * queue up the event work to start the same loop again. + */ + if (ec->events_to_process++ > 0) + return true; + + ec->events_in_progress++; + return queue_work(ec_wq, &ec->work); } + + /* + * The event handling work has not been completed yet, so it needs to be + * flushed. + */ + return true; +} + +static void acpi_ec_complete_event(struct acpi_ec *ec) +{ + if (ec->event_state == EC_EVENT_IN_PROGRESS) + ec->event_state = EC_EVENT_COMPLETE; } -static void acpi_ec_complete_query(struct acpi_ec *ec) +static void acpi_ec_close_event(struct acpi_ec *ec) { - if (test_and_clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) + if (ec->event_state != EC_EVENT_READY) ec_dbg_evt("Command(%s) unblocked", acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY)); + + ec->event_state = EC_EVENT_READY; acpi_ec_unmask_events(ec); } @@ -487,12 +512,10 @@ static inline void __acpi_ec_disable_event(struct acpi_ec *ec) */ static void acpi_ec_clear(struct acpi_ec *ec) { - int i, status; - u8 value = 0; + int i; for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) { - status = acpi_ec_query(ec, &value); - if (status || !value) + if (acpi_ec_submit_query(ec)) break; } if (unlikely(i == ACPI_EC_CLEAR_MAX)) @@ -518,7 +541,7 @@ static void acpi_ec_enable_event(struct acpi_ec *ec) #ifdef CONFIG_PM_SLEEP static void __acpi_ec_flush_work(void) { - drain_workqueue(ec_wq); /* flush ec->work */ + flush_workqueue(ec_wq); /* flush ec->work */ flush_workqueue(ec_query_wq); /* flush queries */ } @@ -549,8 +572,8 @@ void acpi_ec_flush_work(void) static bool acpi_ec_guard_event(struct acpi_ec *ec) { - bool guarded = true; unsigned long flags; + bool guarded; spin_lock_irqsave(&ec->lock, flags); /* @@ -559,19 +582,15 @@ static bool acpi_ec_guard_event(struct acpi_ec *ec) * evaluating _Qxx, so we need to re-check SCI_EVT after waiting an * acceptable period. * - * The guarding period begins when EC_FLAGS_QUERY_PENDING is - * flagged, which means SCI_EVT check has just been performed. - * But if the current transaction is ACPI_EC_COMMAND_QUERY, the - * guarding should have already been performed (via - * EC_FLAGS_QUERY_GUARDING) and should not be applied so that the - * ACPI_EC_COMMAND_QUERY transaction can be transitioned into - * ACPI_EC_COMMAND_POLL state immediately. + * The guarding period is applicable if the event state is not + * EC_EVENT_READY, but otherwise if the current transaction is of the + * ACPI_EC_COMMAND_QUERY type, the guarding should have elapsed already + * and it should not be applied to let the transaction transition into + * the ACPI_EC_COMMAND_POLL state immediately. */ - if (ec_event_clearing == ACPI_EC_EVT_TIMING_STATUS || - ec_event_clearing == ACPI_EC_EVT_TIMING_QUERY || - !test_bit(EC_FLAGS_QUERY_PENDING, &ec->flags) || - (ec->curr && ec->curr->command == ACPI_EC_COMMAND_QUERY)) - guarded = false; + guarded = ec_event_clearing == ACPI_EC_EVT_TIMING_EVENT && + ec->event_state != EC_EVENT_READY && + (!ec->curr || ec->curr->command != ACPI_EC_COMMAND_QUERY); spin_unlock_irqrestore(&ec->lock, flags); return guarded; } @@ -603,16 +622,26 @@ static int ec_transaction_completed(struct acpi_ec *ec) static inline void ec_transaction_transition(struct acpi_ec *ec, unsigned long flag) { ec->curr->flags |= flag; - if (ec->curr->command == ACPI_EC_COMMAND_QUERY) { - if (ec_event_clearing == ACPI_EC_EVT_TIMING_STATUS && - flag == ACPI_EC_COMMAND_POLL) - acpi_ec_complete_query(ec); - if (ec_event_clearing == ACPI_EC_EVT_TIMING_QUERY && - flag == ACPI_EC_COMMAND_COMPLETE) - acpi_ec_complete_query(ec); - if (ec_event_clearing == ACPI_EC_EVT_TIMING_EVENT && - flag == ACPI_EC_COMMAND_COMPLETE) - set_bit(EC_FLAGS_QUERY_GUARDING, &ec->flags); + + if (ec->curr->command != ACPI_EC_COMMAND_QUERY) + return; + + switch (ec_event_clearing) { + case ACPI_EC_EVT_TIMING_STATUS: + if (flag == ACPI_EC_COMMAND_POLL) + acpi_ec_close_event(ec); + + return; + + case ACPI_EC_EVT_TIMING_QUERY: + if (flag == ACPI_EC_COMMAND_COMPLETE) + acpi_ec_close_event(ec); + + return; + + case ACPI_EC_EVT_TIMING_EVENT: + if (flag == ACPI_EC_COMMAND_COMPLETE) + acpi_ec_complete_event(ec); } } @@ -626,10 +655,11 @@ static void acpi_ec_spurious_interrupt(struct acpi_ec *ec, struct transaction *t acpi_ec_mask_events(ec); } -static void advance_transaction(struct acpi_ec *ec, bool interrupt) +static bool advance_transaction(struct acpi_ec *ec, bool interrupt) { struct transaction *t = ec->curr; bool wakeup = false; + bool ret = false; u8 status; ec_dbg_stm("%s (%d)", interrupt ? "IRQ" : "TASK", smp_processor_id()); @@ -657,11 +687,9 @@ static void advance_transaction(struct acpi_ec *ec, bool interrupt) */ if (!t || !(t->flags & ACPI_EC_COMMAND_POLL)) { if (ec_event_clearing == ACPI_EC_EVT_TIMING_EVENT && - (!ec->nr_pending_queries || - test_bit(EC_FLAGS_QUERY_GUARDING, &ec->flags))) { - clear_bit(EC_FLAGS_QUERY_GUARDING, &ec->flags); - acpi_ec_complete_query(ec); - } + ec->event_state == EC_EVENT_COMPLETE) + acpi_ec_close_event(ec); + if (!t) goto out; } @@ -696,10 +724,12 @@ static void advance_transaction(struct acpi_ec *ec, bool interrupt) out: if (status & ACPI_EC_FLAG_SCI) - acpi_ec_submit_query(ec); + ret = acpi_ec_submit_event(ec); if (wakeup && interrupt) wake_up(&ec->wait); + + return ret; } static void start_transaction(struct acpi_ec *ec) @@ -1103,7 +1133,30 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) } EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); -static struct acpi_ec_query *acpi_ec_create_query(u8 *pval) +static void acpi_ec_event_processor(struct work_struct *work) +{ + struct acpi_ec_query *q = container_of(work, struct acpi_ec_query, work); + struct acpi_ec_query_handler *handler = q->handler; + struct acpi_ec *ec = q->ec; + + ec_dbg_evt("Query(0x%02x) started", handler->query_bit); + + if (handler->func) + handler->func(handler->data); + else if (handler->handle) + acpi_evaluate_object(handler->handle, NULL, NULL, NULL); + + ec_dbg_evt("Query(0x%02x) stopped", handler->query_bit); + + spin_lock_irq(&ec->lock); + ec->queries_in_progress--; + spin_unlock_irq(&ec->lock); + + acpi_ec_put_query_handler(handler); + kfree(q); +} + +static struct acpi_ec_query *acpi_ec_create_query(struct acpi_ec *ec, u8 *pval) { struct acpi_ec_query *q; struct transaction *t; @@ -1111,44 +1164,23 @@ static struct acpi_ec_query *acpi_ec_create_query(u8 *pval) q = kzalloc(sizeof (struct acpi_ec_query), GFP_KERNEL); if (!q) return NULL; + INIT_WORK(&q->work, acpi_ec_event_processor); t = &q->transaction; t->command = ACPI_EC_COMMAND_QUERY; t->rdata = pval; t->rlen = 1; + q->ec = ec; return q; } -static void acpi_ec_delete_query(struct acpi_ec_query *q) -{ - if (q) { - if (q->handler) - acpi_ec_put_query_handler(q->handler); - kfree(q); - } -} - -static void acpi_ec_event_processor(struct work_struct *work) -{ - struct acpi_ec_query *q = container_of(work, struct acpi_ec_query, work); - struct acpi_ec_query_handler *handler = q->handler; - - ec_dbg_evt("Query(0x%02x) started", handler->query_bit); - if (handler->func) - handler->func(handler->data); - else if (handler->handle) - acpi_evaluate_object(handler->handle, NULL, NULL, NULL); - ec_dbg_evt("Query(0x%02x) stopped", handler->query_bit); - acpi_ec_delete_query(q); -} - -static int acpi_ec_query(struct acpi_ec *ec, u8 *data) +static int acpi_ec_submit_query(struct acpi_ec *ec) { + struct acpi_ec_query *q; u8 value = 0; int result; - struct acpi_ec_query *q; - q = acpi_ec_create_query(&value); + q = acpi_ec_create_query(ec, &value); if (!q) return -ENOMEM; @@ -1158,11 +1190,14 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) * bit to be cleared (and thus clearing the interrupt source). */ result = acpi_ec_transaction(ec, &q->transaction); - if (!value) - result = -ENODATA; if (result) goto err_exit; + if (!value) { + result = -ENODATA; + goto err_exit; + } + q->handler = acpi_ec_get_query_handler_by_value(ec, value); if (!q->handler) { result = -ENODATA; @@ -1170,76 +1205,73 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) } /* - * It is reported that _Qxx are evaluated in a parallel way on - * Windows: + * It is reported that _Qxx are evaluated in a parallel way on Windows: * https://bugzilla.kernel.org/show_bug.cgi?id=94411 * - * Put this log entry before schedule_work() in order to make - * it appearing before any other log entries occurred during the - * work queue execution. + * Put this log entry before queue_work() to make it appear in the log + * before any other messages emitted during workqueue handling. */ ec_dbg_evt("Query(0x%02x) scheduled", value); - if (!queue_work(ec_query_wq, &q->work)) { - ec_dbg_evt("Query(0x%02x) overlapped", value); - result = -EBUSY; - } -err_exit: - if (result) - acpi_ec_delete_query(q); - if (data) - *data = value; - return result; -} + spin_lock_irq(&ec->lock); -static void acpi_ec_check_event(struct acpi_ec *ec) -{ - unsigned long flags; + ec->queries_in_progress++; + queue_work(ec_query_wq, &q->work); - if (ec_event_clearing == ACPI_EC_EVT_TIMING_EVENT) { - if (ec_guard(ec)) { - spin_lock_irqsave(&ec->lock, flags); - /* - * Take care of the SCI_EVT unless no one else is - * taking care of it. - */ - if (!ec->curr) - advance_transaction(ec, false); - spin_unlock_irqrestore(&ec->lock, flags); - } - } + spin_unlock_irq(&ec->lock); + + return 0; + +err_exit: + kfree(q); + + return result; } static void acpi_ec_event_handler(struct work_struct *work) { - unsigned long flags; struct acpi_ec *ec = container_of(work, struct acpi_ec, work); ec_dbg_evt("Event started"); - spin_lock_irqsave(&ec->lock, flags); - while (ec->nr_pending_queries) { - spin_unlock_irqrestore(&ec->lock, flags); - (void)acpi_ec_query(ec, NULL); - spin_lock_irqsave(&ec->lock, flags); - ec->nr_pending_queries--; - /* - * Before exit, make sure that this work item can be - * scheduled again. There might be QR_EC failures, leaving - * EC_FLAGS_QUERY_PENDING uncleared and preventing this work - * item from being scheduled again. - */ - if (!ec->nr_pending_queries) { - if (ec_event_clearing == ACPI_EC_EVT_TIMING_STATUS || - ec_event_clearing == ACPI_EC_EVT_TIMING_QUERY) - acpi_ec_complete_query(ec); - } + spin_lock_irq(&ec->lock); + + while (ec->events_to_process) { + spin_unlock_irq(&ec->lock); + + acpi_ec_submit_query(ec); + + spin_lock_irq(&ec->lock); + ec->events_to_process--; } - spin_unlock_irqrestore(&ec->lock, flags); + + /* + * Before exit, make sure that the it will be possible to queue up the + * event handling work again regardless of whether or not the query + * queued up above is processed successfully. + */ + if (ec_event_clearing == ACPI_EC_EVT_TIMING_EVENT) + acpi_ec_complete_event(ec); + else + acpi_ec_close_event(ec); + + spin_unlock_irq(&ec->lock); ec_dbg_evt("Event stopped"); - acpi_ec_check_event(ec); + if (ec_event_clearing == ACPI_EC_EVT_TIMING_EVENT && ec_guard(ec)) { + spin_lock_irq(&ec->lock); + + /* Take care of SCI_EVT unless someone else is doing that. */ + if (!ec->curr) + advance_transaction(ec, false); + + spin_unlock_irq(&ec->lock); + } + + spin_lock_irq(&ec->lock); + ec->events_in_progress--; + spin_unlock_irq(&ec->lock); } static void acpi_ec_handle_interrupt(struct acpi_ec *ec) @@ -2021,7 +2053,7 @@ void acpi_ec_set_gpe_wake_mask(u8 action) bool acpi_ec_dispatch_gpe(void) { - u32 ret; + bool work_in_progress = false; if (!first_ec) return acpi_any_gpe_status_set(U32_MAX); @@ -2037,12 +2069,31 @@ bool acpi_ec_dispatch_gpe(void) * Dispatch the EC GPE in-band, but do not report wakeup in any case * to allow the caller to process events properly after that. */ - ret = acpi_dispatch_gpe(NULL, first_ec->gpe); - if (ret == ACPI_INTERRUPT_HANDLED) - pm_pr_dbg("ACPI EC GPE dispatched\n"); + spin_lock_irq(&first_ec->lock); + + if (acpi_ec_gpe_status_set(first_ec)) + work_in_progress = advance_transaction(first_ec, false); + + spin_unlock_irq(&first_ec->lock); + + if (!work_in_progress) + return false; + + pm_pr_dbg("ACPI EC GPE dispatched\n"); + + /* Drain EC work. */ + do { + acpi_ec_flush_work(); + + pm_pr_dbg("ACPI EC work flushed\n"); + + spin_lock_irq(&first_ec->lock); + + work_in_progress = first_ec->events_in_progress + + first_ec->queries_in_progress > 0; - /* Flush the event and query workqueues. */ - acpi_ec_flush_work(); + spin_unlock_irq(&first_ec->lock); + } while (work_in_progress && !pm_wakeup_pending()); return false; } diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c index fd39c14493ab..c074a0fae059 100644 --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -19,7 +19,7 @@ MODULE_DESCRIPTION("ACPI EC sysfs access driver"); MODULE_LICENSE("GPL"); static bool write_support; -module_param(write_support, bool, 0644); +module_param_hw(write_support, bool, other, 0644); MODULE_PARM_DESC(write_support, "Dangerous, reboot and removal of battery may " "be needed."); diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index d91b560e8867..1db3a2f81763 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -166,6 +166,13 @@ static inline void acpi_early_processor_osc(void) {} /* -------------------------------------------------------------------------- Embedded Controller -------------------------------------------------------------------------- */ + +enum acpi_ec_event_state { + EC_EVENT_READY = 0, /* Event work can be submitted */ + EC_EVENT_IN_PROGRESS, /* Event work is pending or being processed */ + EC_EVENT_COMPLETE, /* Event work processing has completed */ +}; + struct acpi_ec { acpi_handle handle; int gpe; @@ -182,7 +189,10 @@ struct acpi_ec { spinlock_t lock; struct work_struct work; unsigned long timestamp; - unsigned long nr_pending_queries; + enum acpi_ec_event_state event_state; + unsigned int events_to_process; + unsigned int events_in_progress; + unsigned int queries_in_progress; bool busy_polling; unsigned int polling_guard; }; diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c index b8795fc49097..6c884f3e8332 100644 --- a/drivers/acpi/numa/srat.c +++ b/drivers/acpi/numa/srat.c @@ -254,9 +254,8 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) } if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) goto out_err; - hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE; - if (hotpluggable && !IS_ENABLED(CONFIG_MEMORY_HOTPLUG)) - goto out_err; + hotpluggable = IS_ENABLED(CONFIG_MEMORY_HOTPLUG) && + (ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE); start = ma->base_address; end = start + ma->length; diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index cb7b900d9466..d54fb8e54671 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -606,12 +606,10 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, int *polarity, char **name) { - int result; - struct acpi_device *device; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_pci_link *link; - result = acpi_bus_get_device(handle, &device); - if (result) { + if (!device) { acpi_handle_err(handle, "Invalid link device\n"); return -1; } @@ -658,12 +656,10 @@ int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, */ int acpi_pci_link_free_irq(acpi_handle handle) { - struct acpi_device *device; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_pci_link *link; - acpi_status result; - result = acpi_bus_get_device(handle, &device); - if (result) { + if (!device) { acpi_handle_err(handle, "Invalid link device\n"); return -1; } diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index ab2f7dfb0c44..b76db99cced3 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -67,11 +67,10 @@ static struct acpi_scan_handler pci_root_handler = { */ int acpi_is_root_bridge(acpi_handle handle) { + struct acpi_device *device = acpi_fetch_acpi_dev(handle); int ret; - struct acpi_device *device; - ret = acpi_bus_get_device(handle, &device); - if (ret) + if (!device) return 0; ret = acpi_match_device_ids(device, root_device_ids); @@ -215,11 +214,10 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root, struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle) { + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_pci_root *root; - struct acpi_device *device; - if (acpi_bus_get_device(handle, &device) || - acpi_match_device_ids(device, root_device_ids)) + if (!device || acpi_match_device_ids(device, root_device_ids)) return NULL; root = acpi_driver_data(device); @@ -324,7 +322,7 @@ EXPORT_SYMBOL_GPL(acpi_get_pci_dev); * acpi_pci_osc_control_set - Request control of PCI root _OSC features. * @handle: ACPI handle of a PCI root bridge (or PCIe Root Complex). * @mask: Mask of _OSC bits to request control of, place to store control mask. - * @req: Mask of _OSC bits the control of is essential to the caller. + * @support: _OSC supported capability. * * Run _OSC query for @mask and if that is successful, compare the returned * mask of control bits with @req. If all of the @req bits are set in the diff --git a/drivers/acpi/pmic/intel_pmic.c b/drivers/acpi/pmic/intel_pmic.c index 9cde299eba88..f20dbda1a831 100644 --- a/drivers/acpi/pmic/intel_pmic.c +++ b/drivers/acpi/pmic/intel_pmic.c @@ -25,7 +25,7 @@ struct intel_pmic_opregion { struct mutex lock; struct acpi_lpat_conversion_table *lpat_table; struct regmap *regmap; - struct intel_pmic_opregion_data *data; + const struct intel_pmic_opregion_data *data; struct intel_pmic_regs_handler_ctx ctx; }; @@ -53,7 +53,7 @@ static acpi_status intel_pmic_power_handler(u32 function, { struct intel_pmic_opregion *opregion = region_context; struct regmap *regmap = opregion->regmap; - struct intel_pmic_opregion_data *d = opregion->data; + const struct intel_pmic_opregion_data *d = opregion->data; int reg, bit, result; if (bits != 32 || !value64) @@ -95,7 +95,7 @@ static int pmic_read_temp(struct intel_pmic_opregion *opregion, return 0; } - temp = acpi_lpat_raw_to_temp(opregion->lpat_table, raw_temp); + temp = opregion->data->lpat_raw_to_temp(opregion->lpat_table, raw_temp); if (temp < 0) return temp; @@ -135,7 +135,7 @@ static int pmic_thermal_aux(struct intel_pmic_opregion *opregion, int reg, static int pmic_thermal_pen(struct intel_pmic_opregion *opregion, int reg, int bit, u32 function, u64 *value) { - struct intel_pmic_opregion_data *d = opregion->data; + const struct intel_pmic_opregion_data *d = opregion->data; struct regmap *regmap = opregion->regmap; if (!d->get_policy || !d->update_policy) @@ -171,7 +171,7 @@ static acpi_status intel_pmic_thermal_handler(u32 function, void *handler_context, void *region_context) { struct intel_pmic_opregion *opregion = region_context; - struct intel_pmic_opregion_data *d = opregion->data; + const struct intel_pmic_opregion_data *d = opregion->data; int reg, bit, result; if (bits != 32 || !value64) @@ -255,7 +255,7 @@ static acpi_status intel_pmic_regs_handler(u32 function, int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, struct regmap *regmap, - struct intel_pmic_opregion_data *d) + const struct intel_pmic_opregion_data *d) { acpi_status status = AE_OK; struct intel_pmic_opregion *opregion; @@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(intel_pmic_install_opregion_handler); int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address, u32 value, u32 mask) { - struct intel_pmic_opregion_data *d; + const struct intel_pmic_opregion_data *d; int ret; if (!intel_pmic_opregion) { diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h index 89379476a1df..d956b03a6ca0 100644 --- a/drivers/acpi/pmic/intel_pmic.h +++ b/drivers/acpi/pmic/intel_pmic.h @@ -2,6 +2,8 @@ #ifndef __INTEL_PMIC_H #define __INTEL_PMIC_H +#include <acpi/acpi_lpat.h> + struct pmic_table { int address; /* operation region address */ int reg; /* corresponding thermal register */ @@ -17,6 +19,8 @@ struct intel_pmic_opregion_data { int (*update_policy)(struct regmap *r, int reg, int bit, int enable); int (*exec_mipi_pmic_seq_element)(struct regmap *r, u16 i2c_address, u32 reg_address, u32 value, u32 mask); + int (*lpat_raw_to_temp)(struct acpi_lpat_conversion_table *lpat_table, + int raw); struct pmic_table *power_table; int power_table_count; struct pmic_table *thermal_table; @@ -25,6 +29,8 @@ struct intel_pmic_opregion_data { int pmic_i2c_address; }; -int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, struct regmap *regmap, struct intel_pmic_opregion_data *d); +int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, + struct regmap *regmap, + const struct intel_pmic_opregion_data *d); #endif diff --git a/drivers/acpi/pmic/intel_pmic_bxtwc.c b/drivers/acpi/pmic/intel_pmic_bxtwc.c index bd7621edd60b..e247615189fa 100644 --- a/drivers/acpi/pmic/intel_pmic_bxtwc.c +++ b/drivers/acpi/pmic/intel_pmic_bxtwc.c @@ -369,13 +369,14 @@ intel_bxtwc_pmic_update_policy(struct regmap *regmap, return regmap_update_bits(regmap, reg, mask, val); } -static struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = { +static const struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = { .get_power = intel_bxtwc_pmic_get_power, .update_power = intel_bxtwc_pmic_update_power, .get_raw_temp = intel_bxtwc_pmic_get_raw_temp, .update_aux = intel_bxtwc_pmic_update_aux, .get_policy = intel_bxtwc_pmic_get_policy, .update_policy = intel_bxtwc_pmic_update_policy, + .lpat_raw_to_temp = acpi_lpat_raw_to_temp, .power_table = power_table, .power_table_count = ARRAY_SIZE(power_table), .thermal_table = thermal_table, diff --git a/drivers/acpi/pmic/intel_pmic_bytcrc.c b/drivers/acpi/pmic/intel_pmic_bytcrc.c index 2a692cc4b7ae..9ea79f210965 100644 --- a/drivers/acpi/pmic/intel_pmic_bytcrc.c +++ b/drivers/acpi/pmic/intel_pmic_bytcrc.c @@ -271,13 +271,14 @@ static int intel_crc_pmic_update_policy(struct regmap *regmap, return 0; } -static struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = { +static const struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = { .get_power = intel_crc_pmic_get_power, .update_power = intel_crc_pmic_update_power, .get_raw_temp = intel_crc_pmic_get_raw_temp, .update_aux = intel_crc_pmic_update_aux, .get_policy = intel_crc_pmic_get_policy, .update_policy = intel_crc_pmic_update_policy, + .lpat_raw_to_temp = acpi_lpat_raw_to_temp, .power_table = power_table, .power_table_count= ARRAY_SIZE(power_table), .thermal_table = thermal_table, diff --git a/drivers/acpi/pmic/intel_pmic_chtcrc.c b/drivers/acpi/pmic/intel_pmic_chtcrc.c index 2900dc3074d2..f9301c6f098e 100644 --- a/drivers/acpi/pmic/intel_pmic_chtcrc.c +++ b/drivers/acpi/pmic/intel_pmic_chtcrc.c @@ -23,7 +23,8 @@ * intel_soc_pmic_exec_mipi_pmic_seq_element work on devices with a * CHT Crystal Cove PMIC. */ -static struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = { +static const struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = { + .lpat_raw_to_temp = acpi_lpat_raw_to_temp, .pmic_i2c_address = 0x6e, }; diff --git a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c index fef7831d0d63..418eec523025 100644 --- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c +++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c @@ -94,10 +94,11 @@ static int chtdc_ti_pmic_get_raw_temp(struct regmap *regmap, int reg) return ((buf[0] & 0x03) << 8) | buf[1]; } -static struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = { +static const struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = { .get_power = chtdc_ti_pmic_get_power, .update_power = chtdc_ti_pmic_update_power, .get_raw_temp = chtdc_ti_pmic_get_raw_temp, + .lpat_raw_to_temp = acpi_lpat_raw_to_temp, .power_table = chtdc_ti_power_table, .power_table_count = ARRAY_SIZE(chtdc_ti_power_table), .thermal_table = chtdc_ti_thermal_table, diff --git a/drivers/acpi/pmic/intel_pmic_chtwc.c b/drivers/acpi/pmic/intel_pmic_chtwc.c index 7ffd5624b8e1..f2c42f4c79ca 100644 --- a/drivers/acpi/pmic/intel_pmic_chtwc.c +++ b/drivers/acpi/pmic/intel_pmic_chtwc.c @@ -253,10 +253,11 @@ static int intel_cht_wc_exec_mipi_pmic_seq_element(struct regmap *regmap, * The thermal table and ops are empty, we do not support the Thermal opregion * (DPTF) due to lacking documentation. */ -static struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = { +static const struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = { .get_power = intel_cht_wc_pmic_get_power, .update_power = intel_cht_wc_pmic_update_power, .exec_mipi_pmic_seq_element = intel_cht_wc_exec_mipi_pmic_seq_element, + .lpat_raw_to_temp = acpi_lpat_raw_to_temp, .power_table = power_table, .power_table_count = ARRAY_SIZE(power_table), }; diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c index cbe08e600fa3..61bbe4c24d87 100644 --- a/drivers/acpi/pmic/intel_pmic_xpower.c +++ b/drivers/acpi/pmic/intel_pmic_xpower.c @@ -293,11 +293,33 @@ static int intel_xpower_exec_mipi_pmic_seq_element(struct regmap *regmap, return ret; } -static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = { +static int intel_xpower_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table, + int raw) +{ + struct acpi_lpat first = lpat_table->lpat[0]; + struct acpi_lpat last = lpat_table->lpat[lpat_table->lpat_count - 1]; + + /* + * Some LPAT tables in the ACPI Device for the AXP288 PMIC for some + * reason only describe a small temperature range, e.g. 27° - 37° + * Celcius. Resulting in errors when the tablet is idle in a cool room. + * + * To avoid these errors clamp the raw value to be inside the LPAT. + */ + if (first.raw < last.raw) + raw = clamp(raw, first.raw, last.raw); + else + raw = clamp(raw, last.raw, first.raw); + + return acpi_lpat_raw_to_temp(lpat_table, raw); +} + +static const struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = { .get_power = intel_xpower_pmic_get_power, .update_power = intel_xpower_pmic_update_power, .get_raw_temp = intel_xpower_pmic_get_raw_temp, .exec_mipi_pmic_seq_element = intel_xpower_exec_mipi_pmic_seq_element, + .lpat_raw_to_temp = intel_xpower_lpat_raw_to_temp, .power_table = power_table, .power_table_count = ARRAY_SIZE(power_table), .thermal_table = thermal_table, diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 5dcb02ededbc..8c4a73a1351e 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -81,9 +81,9 @@ struct acpi_power_resource *to_power_resource(struct acpi_device *device) static struct acpi_power_resource *acpi_power_get_context(acpi_handle handle) { - struct acpi_device *device; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); - if (acpi_bus_get_device(handle, &device)) + if (!device) return NULL; return to_power_resource(device); @@ -716,6 +716,9 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state) mutex_lock(&acpi_device_lock); + dev_dbg(&dev->dev, "Enabling wakeup power (count %d)\n", + dev->wakeup.prepare_count); + if (dev->wakeup.prepare_count++) goto out; @@ -734,8 +737,11 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state) if (err) { acpi_power_off_list(&dev->wakeup.resources); dev->wakeup.prepare_count = 0; + goto out; } + dev_dbg(&dev->dev, "Wakeup power enabled\n"); + out: mutex_unlock(&acpi_device_lock); return err; @@ -757,6 +763,9 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev) mutex_lock(&acpi_device_lock); + dev_dbg(&dev->dev, "Disabling wakeup power (count %d)\n", + dev->wakeup.prepare_count); + /* Do nothing if wakeup power has not been enabled for this device. */ if (dev->wakeup.prepare_count <= 0) goto out; @@ -782,8 +791,11 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev) if (err) { dev_err(&dev->dev, "Cannot turn off wakeup power resources\n"); dev->wakeup.flags.valid = 0; + goto out; } + dev_dbg(&dev->dev, "Wakeup power disabled\n"); + out: mutex_unlock(&acpi_device_lock); return err; @@ -916,15 +928,14 @@ static void acpi_power_add_resource_to_list(struct acpi_power_resource *resource struct acpi_device *acpi_add_power_resource(acpi_handle handle) { + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_power_resource *resource; - struct acpi_device *device = NULL; union acpi_object acpi_object; struct acpi_buffer buffer = { sizeof(acpi_object), &acpi_object }; acpi_status status; u8 state_dummy; int result; - acpi_bus_get_device(handle, &device); if (device) return device; diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 77541f939be3..368a9edefd0c 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -98,8 +98,13 @@ static int acpi_soft_cpu_online(unsigned int cpu) struct acpi_processor *pr = per_cpu(processors, cpu); struct acpi_device *device; - if (!pr || acpi_bus_get_device(pr->handle, &device)) + if (!pr) + return 0; + + device = acpi_fetch_acpi_dev(pr->handle); + if (!device) return 0; + /* * CPU got physically hotplugged and onlined for the first time: * Initialize missing things. @@ -125,9 +130,8 @@ static int acpi_soft_cpu_online(unsigned int cpu) static int acpi_soft_cpu_dead(unsigned int cpu) { struct acpi_processor *pr = per_cpu(processors, cpu); - struct acpi_device *device; - if (!pr || acpi_bus_get_device(pr->handle, &device)) + if (!pr || !acpi_fetch_acpi_dev(pr->handle)) return 0; acpi_processor_reevaluate_tstate(pr, true); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 76ef1bcc8848..86560a28751b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -20,6 +20,7 @@ #include <linux/tick.h> #include <linux/cpuidle.h> #include <linux/cpu.h> +#include <linux/minmax.h> #include <acpi/processor.h> /* @@ -400,13 +401,10 @@ static int acpi_cst_latency_cmp(const void *a, const void *b) static void acpi_cst_latency_swap(void *a, void *b, int n) { struct acpi_processor_cx *x = a, *y = b; - u32 tmp; if (!(x->valid && y->valid)) return; - tmp = x->latency; - x->latency = y->latency; - y->latency = tmp; + swap(x->latency, y->latency); } static int acpi_processor_power_verify(struct acpi_processor *pr) @@ -567,7 +565,8 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index) { struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu); - ACPI_FLUSH_CPU_CACHE(); + if (cx->type == ACPI_STATE_C3) + ACPI_FLUSH_CPU_CACHE(); while (1) { @@ -1101,7 +1100,7 @@ static int acpi_processor_get_lpi_info(struct acpi_processor *pr) status = acpi_get_parent(handle, &pr_ahandle); while (ACPI_SUCCESS(status)) { - acpi_bus_get_device(pr_ahandle, &d); + d = acpi_fetch_acpi_dev(pr_ahandle); handle = pr_ahandle; if (strcmp(acpi_device_hid(d), ACPI_PROCESSOR_CONTAINER_HID)) diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index a3d34e3f9f94..d8b2dfcd59b5 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -53,10 +53,17 @@ static int phys_package_first_cpu(int cpu) static int cpu_has_cpufreq(unsigned int cpu) { - struct cpufreq_policy policy; - if (!acpi_processor_cpufreq_init || cpufreq_get_policy(&policy, cpu)) + struct cpufreq_policy *policy; + + if (!acpi_processor_cpufreq_init) return 0; - return 1; + + policy = cpufreq_cpu_get(cpu); + if (policy) { + cpufreq_cpu_put(policy); + return 1; + } + return 0; } static int cpufreq_get_max_state(unsigned int cpu) diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 2366f54d8e9c..d0986bda2964 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -687,9 +687,9 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, if (index) return -EINVAL; - ret = acpi_bus_get_device(obj->reference.handle, &device); - if (ret) - return ret == -ENODEV ? -EINVAL : ret; + device = acpi_fetch_acpi_dev(obj->reference.handle); + if (!device) + return -EINVAL; args->fwnode = acpi_fwnode_handle(device); args->nargs = 0; @@ -719,9 +719,8 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, if (element->type == ACPI_TYPE_LOCAL_REFERENCE) { struct fwnode_handle *ref_fwnode; - ret = acpi_bus_get_device(element->reference.handle, - &device); - if (ret) + device = acpi_fetch_acpi_dev(element->reference.handle); + if (!device) return -EINVAL; nargs = 0; diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 3c25ce8c95ba..c2d494784425 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -791,9 +791,9 @@ static acpi_status acpi_res_consumer_cb(acpi_handle handle, u32 depth, { struct resource *res = context; struct acpi_device **consumer = (struct acpi_device **) ret; - struct acpi_device *adev; + struct acpi_device *adev = acpi_fetch_acpi_dev(handle); - if (acpi_bus_get_device(handle, &adev)) + if (!adev) return AE_OK; if (acpi_dev_consumes_res(adev, res)) { diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 2c80765670bc..4dd3a9efcd0f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -135,12 +135,12 @@ bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent) static acpi_status acpi_bus_offline(acpi_handle handle, u32 lvl, void *data, void **ret_p) { - struct acpi_device *device = NULL; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_device_physical_node *pn; bool second_pass = (bool)data; acpi_status status = AE_OK; - if (acpi_bus_get_device(handle, &device)) + if (!device) return AE_OK; if (device->handler && !device->handler->hotplug.enabled) { @@ -180,10 +180,10 @@ static acpi_status acpi_bus_offline(acpi_handle handle, u32 lvl, void *data, static acpi_status acpi_bus_online(acpi_handle handle, u32 lvl, void *data, void **ret_p) { - struct acpi_device *device = NULL; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_device_physical_node *pn; - if (acpi_bus_get_device(handle, &device)) + if (!device) return AE_OK; mutex_lock(&device->physical_node_lock); @@ -599,6 +599,19 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device) } EXPORT_SYMBOL(acpi_bus_get_device); +/** + * acpi_fetch_acpi_dev - Retrieve ACPI device object. + * @handle: ACPI handle associated with the requested ACPI device object. + * + * Return a pointer to the ACPI device object associated with @handle, if + * present, or NULL otherwise. + */ +struct acpi_device *acpi_fetch_acpi_dev(acpi_handle handle) +{ + return handle_to_device(handle, NULL); +} +EXPORT_SYMBOL_GPL(acpi_fetch_acpi_dev); + static void get_acpi_device(void *dev) { acpi_dev_get(dev); @@ -799,7 +812,7 @@ static const char * const acpi_ignore_dep_ids[] = { static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) { - struct acpi_device *device = NULL; + struct acpi_device *device; acpi_status status; /* @@ -814,7 +827,9 @@ static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) status = acpi_get_parent(handle, &handle); if (ACPI_FAILURE(status)) return status == AE_NULL_ENTRY ? NULL : acpi_root; - } while (acpi_bus_get_device(handle, &device)); + + device = acpi_fetch_acpi_dev(handle); + } while (!device); return device; } @@ -1340,11 +1355,11 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, if (info->valid & ACPI_VALID_HID) { acpi_add_id(pnp, info->hardware_id.string); pnp->type.platform_id = 1; - } - if (info->valid & ACPI_VALID_CID) { - cid_list = &info->compatible_id_list; - for (i = 0; i < cid_list->count; i++) - acpi_add_id(pnp, cid_list->ids[i].string); + if (info->valid & ACPI_VALID_CID) { + cid_list = &info->compatible_id_list; + for (i = 0; i < cid_list->count; i++) + acpi_add_id(pnp, cid_list->ids[i].string); + } } if (info->valid & ACPI_VALID_ADR) { pnp->bus_address = info->address; @@ -1695,6 +1710,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) { struct list_head resource_list; bool is_serial_bus_slave = false; + static const struct acpi_device_id ignore_serial_bus_ids[] = { /* * These devices have multiple I2cSerialBus resources and an i2c-client * must be instantiated for each, each with its own i2c_device_id. @@ -1703,11 +1719,18 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) * drivers/platform/x86/i2c-multi-instantiate.c driver, which knows * which i2c_device_id to use for each resource. */ - static const struct acpi_device_id i2c_multi_instantiate_ids[] = { {"BSG1160", }, {"BSG2150", }, {"INT33FE", }, {"INT3515", }, + /* + * HIDs of device with an UartSerialBusV2 resource for which userspace + * expects a regular tty cdev to be created (instead of the in kernel + * serdev) and which have a kernel driver which expects a platform_dev + * such as the rfkill-gpio driver. + */ + {"BCM4752", }, + {"LNV4752", }, {} }; @@ -1721,8 +1744,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) fwnode_property_present(&device->fwnode, "baud"))) return true; - /* Instantiate a pdev for the i2c-multi-instantiate drv to bind to */ - if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids)) + if (!acpi_match_device_ids(device, ignore_serial_bus_ids)) return false; INIT_LIST_HEAD(&resource_list); @@ -2003,11 +2025,10 @@ static bool acpi_bus_scan_second_pass; static acpi_status acpi_bus_check_add(acpi_handle handle, bool check_dep, struct acpi_device **adev_p) { - struct acpi_device *device = NULL; + struct acpi_device *device = acpi_fetch_acpi_dev(handle); acpi_object_type acpi_type; int type; - acpi_bus_get_device(handle, &device); if (device) goto out; @@ -2548,8 +2569,8 @@ int __init acpi_scan_init(void) if (result) goto out; - result = acpi_bus_get_device(ACPI_ROOT_OBJECT, &acpi_root); - if (result) + acpi_root = acpi_fetch_acpi_dev(ACPI_ROOT_OBJECT); + if (!acpi_root) goto out; /* Fixed feature devices do not exist on HW-reduced platform */ diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index eaa47753b758..4b8454f26ca1 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -73,7 +73,6 @@ static int acpi_sleep_prepare(u32 acpi_state) acpi_set_waking_vector(acpi_wakeup_address); } - ACPI_FLUSH_CPU_CACHE(); #endif pr_info("Preparing to enter system sleep state S%d\n", acpi_state); acpi_enable_wakeup_devices(acpi_state); @@ -566,8 +565,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state) u32 acpi_state = acpi_target_sleep_state; int error; - ACPI_FLUSH_CPU_CACHE(); - trace_suspend_resume(TPS("acpi_suspend"), acpi_state, true); switch (acpi_state) { case ACPI_STATE_S1: @@ -903,8 +900,6 @@ static int acpi_hibernation_enter(void) { acpi_status status = AE_OK; - ACPI_FLUSH_CPU_CACHE(); - /* This shouldn't return. If it returns, we have a problem */ status = acpi_enter_sleep_state(ACPI_STATE_S4); /* Reprogram control registers */ diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 00c0ebaab29f..a4b638bea6f1 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -939,10 +939,11 @@ static struct attribute *hotplug_profile_attrs[] = { &hotplug_enabled_attr.attr, NULL }; +ATTRIBUTE_GROUPS(hotplug_profile); static struct kobj_type acpi_hotplug_profile_ktype = { .sysfs_ops = &kobj_sysfs_ops, - .default_attrs = hotplug_profile_attrs, + .default_groups = hotplug_profile_groups, }; void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 2699bf7e21ab..682a3ea9cb40 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -723,7 +723,7 @@ static void __init acpi_table_initrd_scan(void) /* * Mark the table to avoid being used in * acpi_table_initrd_override(). Though this is not possible - * because override is disabled in acpi_install_table(). + * because override is disabled in acpi_install_physical_table(). */ if (test_and_set_bit(table_index, acpi_initrd_installed)) { acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); @@ -734,7 +734,7 @@ static void __init acpi_table_initrd_scan(void) table->signature, table->oem_id, table->oem_table_id); acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - acpi_install_table(acpi_tables_addr + table_offset, TRUE); + acpi_install_physical_table(acpi_tables_addr + table_offset); next_table: table_offset += table_length; table_index++; diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 95105db642b9..539660ef93c7 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -697,7 +697,6 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, struct acpi_device *device = cdev->devdata; struct acpi_thermal *tz = thermal->devdata; struct acpi_device *dev; - acpi_status status; acpi_handle handle; int i; int j; @@ -715,8 +714,8 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, for (i = 0; i < tz->trips.passive.devices.count; i++) { handle = tz->trips.passive.devices.handles[i]; - status = acpi_bus_get_device(handle, &dev); - if (ACPI_FAILURE(status) || dev != device) + dev = acpi_fetch_acpi_dev(handle); + if (dev != device) continue; if (bind) result = @@ -741,8 +740,8 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, j < tz->trips.active[i].devices.count; j++) { handle = tz->trips.active[i].devices.handles[j]; - status = acpi_bus_get_device(handle, &dev); - if (ACPI_FAILURE(status) || dev != device) + dev = acpi_fetch_acpi_dev(handle); + if (dev != device) continue; if (bind) result = thermal_zone_bind_cooling_device @@ -1098,8 +1097,6 @@ static int acpi_thermal_resume(struct device *dev) return -EINVAL; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - if (!(&tz->trips.active[i])) - break; if (!tz->trips.active[i].flags.valid) break; tz->trips.active[i].flags.enabled = 1; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 068e393ea0c6..4f64713e9917 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -59,18 +59,16 @@ static void acpi_video_parse_cmdline(void) static acpi_status find_video(acpi_handle handle, u32 lvl, void *context, void **rv) { + struct acpi_device *acpi_dev = acpi_fetch_acpi_dev(handle); long *cap = context; struct pci_dev *dev; - struct acpi_device *acpi_dev; static const struct acpi_device_id video_ids[] = { {ACPI_VIDEO_HID, 0}, {"", 0}, }; - if (acpi_bus_get_device(handle, &acpi_dev)) - return AE_OK; - if (!acpi_match_device_ids(acpi_dev, video_ids)) { + if (acpi_dev && !acpi_match_device_ids(acpi_dev, video_ids)) { dev = acpi_get_pci_dev(handle); if (!dev) return AE_OK; diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 1c48358b43ba..abc06e7f89d8 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -293,9 +293,9 @@ static void lpi_check_constraints(void) for (i = 0; i < lpi_constraints_table_size; ++i) { acpi_handle handle = lpi_constraints_table[i].handle; - struct acpi_device *adev; + struct acpi_device *adev = acpi_fetch_acpi_dev(handle); - if (!handle || acpi_bus_get_device(handle, &adev)) + if (!adev) continue; acpi_handle_debug(handle, diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index f22f23933063..ffdeed5334d6 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -8,8 +8,11 @@ * Copyright (C) 2013-2015 Intel Corporation. All rights reserved. */ +#define pr_fmt(fmt) "ACPI: " fmt + #include <linux/acpi.h> #include <linux/dmi.h> +#include <linux/platform_device.h> #include <asm/cpu_device_id.h> #include <asm/intel-family.h> #include "../internal.h" @@ -22,58 +25,77 @@ * Some BIOS-es (temporarily) hide specific APCI devices to work around Windows * driver bugs. We use DMI matching to match known cases of this. * - * We work around this by always reporting ACPI_STA_DEFAULT for these - * devices. Note this MUST only be done for devices where this is safe. + * Likewise sometimes some not-actually present devices are sometimes + * reported as present, which may cause issues. + * + * We work around this by using the below quirk list to override the status + * reported by the _STA method with a fixed value (ACPI_STA_DEFAULT or 0). + * Note this MUST only be done for devices where this is safe. * - * This forcing of devices to be present is limited to specific CPU (SoC) - * models both to avoid potentially causing trouble on other models and - * because some HIDs are re-used on different SoCs for completely - * different devices. + * This status overriding is limited to specific CPU (SoC) models both to + * avoid potentially causing trouble on other models and because some HIDs + * are re-used on different SoCs for completely different devices. */ -struct always_present_id { +struct override_status_id { struct acpi_device_id hid[2]; struct x86_cpu_id cpu_ids[2]; struct dmi_system_id dmi_ids[2]; /* Optional */ const char *uid; + const char *path; + unsigned long long status; }; -#define X86_MATCH(model) X86_MATCH_INTEL_FAM6_MODEL(model, NULL) - -#define ENTRY(hid, uid, cpu_models, dmi...) { \ +#define ENTRY(status, hid, uid, path, cpu_model, dmi...) { \ { { hid, }, {} }, \ - { cpu_models, {} }, \ + { X86_MATCH_INTEL_FAM6_MODEL(cpu_model, NULL), {} }, \ { { .matches = dmi }, {} }, \ uid, \ + path, \ + status, \ } -static const struct always_present_id always_present_ids[] = { +#define PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \ + ENTRY(ACPI_STA_DEFAULT, hid, uid, NULL, cpu_model, dmi) + +#define NOT_PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \ + ENTRY(0, hid, uid, NULL, cpu_model, dmi) + +#define PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \ + ENTRY(ACPI_STA_DEFAULT, "", NULL, path, cpu_model, dmi) + +#define NOT_PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \ + ENTRY(0, "", NULL, path, cpu_model, dmi) + +static const struct override_status_id override_status_ids[] = { /* * Bay / Cherry Trail PWM directly poked by GPU driver in win10, * but Linux uses a separate PWM driver, harmless if not used. */ - ENTRY("80860F09", "1", X86_MATCH(ATOM_SILVERMONT), {}), - ENTRY("80862288", "1", X86_MATCH(ATOM_AIRMONT), {}), + PRESENT_ENTRY_HID("80860F09", "1", ATOM_SILVERMONT, {}), + PRESENT_ENTRY_HID("80862288", "1", ATOM_AIRMONT, {}), + + /* The Xiaomi Mi Pad 2 uses PWM2 for touchkeys backlight control */ + PRESENT_ENTRY_HID("80862289", "2", ATOM_AIRMONT, { + DMI_MATCH(DMI_SYS_VENDOR, "Xiaomi Inc"), + DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"), + }), - /* Lenovo Yoga Book uses PWM2 for keyboard backlight control */ - ENTRY("80862289", "2", X86_MATCH(ATOM_AIRMONT), { - DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9"), - }), /* * The INT0002 device is necessary to clear wakeup interrupt sources * on Cherry Trail devices, without it we get nobody cared IRQ msgs. */ - ENTRY("INT0002", "1", X86_MATCH(ATOM_AIRMONT), {}), + PRESENT_ENTRY_HID("INT0002", "1", ATOM_AIRMONT, {}), /* * On the Dell Venue 11 Pro 7130 and 7139, the DSDT hides * the touchscreen ACPI device until a certain time * after _SB.PCI0.GFX0.LCD.LCD1._ON gets called has passed * *and* _STA has been called at least 3 times since. */ - ENTRY("SYNA7500", "1", X86_MATCH(HASWELL_L), { + PRESENT_ENTRY_HID("SYNA7500", "1", HASWELL_L, { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"), }), - ENTRY("SYNA7500", "1", X86_MATCH(HASWELL_L), { + PRESENT_ENTRY_HID("SYNA7500", "1", HASWELL_L, { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7139"), }), @@ -81,54 +103,83 @@ static const struct always_present_id always_present_ids[] = { /* * The GPD win BIOS dated 20170221 has disabled the accelerometer, the * drivers sometimes cause crashes under Windows and this is how the - * manufacturer has solved this :| Note that the the DMI data is less - * generic then it seems, a board_vendor of "AMI Corporation" is quite - * rare and a board_name of "Default String" also is rare. + * manufacturer has solved this :| The DMI match may not seem unique, + * but it is. In the 67000+ DMI decode dumps from linux-hardware.org + * only 116 have board_vendor set to "AMI Corporation" and of those 116 + * only the GPD win and pocket entries' board_name is "Default string". * * Unfortunately the GPD pocket also uses these strings and its BIOS * was copy-pasted from the GPD win, so it has a disabled KIOX000A * node which we should not enable, thus we also check the BIOS date. */ - ENTRY("KIOX000A", "1", X86_MATCH(ATOM_AIRMONT), { + PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_MATCH(DMI_BIOS_DATE, "02/21/2017") }), - ENTRY("KIOX000A", "1", X86_MATCH(ATOM_AIRMONT), { + PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_MATCH(DMI_BIOS_DATE, "03/20/2017") }), - ENTRY("KIOX000A", "1", X86_MATCH(ATOM_AIRMONT), { + PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_MATCH(DMI_BIOS_DATE, "05/25/2017") }), + + /* + * The GPD win/pocket have a PCI wifi card, but its DSDT has the SDIO + * mmc controller enabled and that has a child-device which _PS3 + * method sets a GPIO causing the PCI wifi card to turn off. + * See above remark about uniqueness of the DMI match. + */ + NOT_PRESENT_ENTRY_PATH("\\_SB_.PCI0.SDHB.BRC1", ATOM_AIRMONT, { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), + }), }; -bool acpi_device_always_present(struct acpi_device *adev) +bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *status) { bool ret = false; unsigned int i; - for (i = 0; i < ARRAY_SIZE(always_present_ids); i++) { - if (acpi_match_device_ids(adev, always_present_ids[i].hid)) + for (i = 0; i < ARRAY_SIZE(override_status_ids); i++) { + if (!x86_match_cpu(override_status_ids[i].cpu_ids)) continue; - if (!adev->pnp.unique_id || - strcmp(adev->pnp.unique_id, always_present_ids[i].uid)) + if (override_status_ids[i].dmi_ids[0].matches[0].slot && + !dmi_check_system(override_status_ids[i].dmi_ids)) continue; - if (!x86_match_cpu(always_present_ids[i].cpu_ids)) - continue; + if (override_status_ids[i].path) { + struct acpi_buffer path = { ACPI_ALLOCATE_BUFFER, NULL }; + bool match; - if (always_present_ids[i].dmi_ids[0].matches[0].slot && - !dmi_check_system(always_present_ids[i].dmi_ids)) - continue; + if (acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &path)) + continue; + + match = strcmp((char *)path.pointer, override_status_ids[i].path) == 0; + kfree(path.pointer); + if (!match) + continue; + } else { + if (acpi_match_device_ids(adev, override_status_ids[i].hid)) + continue; + + if (!adev->pnp.unique_id || + strcmp(adev->pnp.unique_id, override_status_ids[i].uid)) + continue; + } + + *status = override_status_ids[i].status; ret = true; break; } @@ -160,3 +211,183 @@ bool force_storage_d3(void) { return x86_match_cpu(storage_d3_cpu_ids); } + +/* + * x86 ACPI boards which ship with only Android as their factory image usually + * declare a whole bunch of bogus I2C devices in their ACPI tables and sometimes + * there are issues with serdev devices on these boards too, e.g. the resource + * points to the wrong serdev_controller. + * + * Instantiating I2C / serdev devs for these bogus devs causes various issues, + * e.g. GPIO/IRQ resource conflicts because sometimes drivers do bind to them. + * The Android x86 kernel fork shipped on these devices has some special code + * to remove the bogus I2C clients (and AFAICT serdevs are ignored completely). + * + * The acpi_quirk_skip_*_enumeration() functions below are used by the I2C or + * serdev code to skip instantiating any I2C or serdev devs on broken boards. + * + * In case of I2C an exception is made for HIDs on the i2c_acpi_known_good_ids + * list. These are known to always be correct (and in case of the audio-codecs + * the drivers heavily rely on the codec being enumerated through ACPI). + * + * Note these boards typically do actually have I2C and serdev devices, + * just different ones then the ones described in their DSDT. The devices + * which are actually present are manually instantiated by the + * drivers/platform/x86/x86-android-tablets.c kernel module. + */ +#define ACPI_QUIRK_SKIP_I2C_CLIENTS BIT(0) +#define ACPI_QUIRK_UART1_TTY_UART2_SKIP BIT(1) +#define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY BIT(2) +#define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY BIT(3) + +static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = { + /* + * 1. Devices with only the skip / don't-skip AC and battery quirks, + * sorted alphabetically. + */ + { + /* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */ + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"), + }, + .driver_data = (void *)ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY + }, + { + /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "80XF"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), + }, + .driver_data = (void *)ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY + }, + + /* + * 2. Devices which also have the skip i2c/serdev quirks and which + * need the x86-android-tablets module to properly work. + */ +#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS) + { + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"), + }, + .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS | + ACPI_QUIRK_UART1_TTY_UART2_SKIP | + ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY), + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"), + }, + .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS | + ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY), + }, + { + /* Whitelabel (sold as various brands) TM800A550L */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + /* Above strings are too generic, also match on BIOS version */ + DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"), + }, + .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS | + ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY), + }, +#endif + {} +}; + +#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS) +static const struct acpi_device_id i2c_acpi_known_good_ids[] = { + { "10EC5640", 0 }, /* RealTek ALC5640 audio codec */ + { "INT33F4", 0 }, /* X-Powers AXP288 PMIC */ + { "INT33FD", 0 }, /* Intel Crystal Cove PMIC */ + { "NPCE69A", 0 }, /* Asus Transformer keyboard dock */ + {} +}; + +bool acpi_quirk_skip_i2c_client_enumeration(struct acpi_device *adev) +{ + const struct dmi_system_id *dmi_id; + long quirks; + + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); + if (!dmi_id) + return false; + + quirks = (unsigned long)dmi_id->driver_data; + if (!(quirks & ACPI_QUIRK_SKIP_I2C_CLIENTS)) + return false; + + return acpi_match_device_ids(adev, i2c_acpi_known_good_ids); +} +EXPORT_SYMBOL_GPL(acpi_quirk_skip_i2c_client_enumeration); + +int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *skip) +{ + struct acpi_device *adev = ACPI_COMPANION(controller_parent); + const struct dmi_system_id *dmi_id; + long quirks = 0; + + *skip = false; + + /* !dev_is_platform() to not match on PNP enumerated debug UARTs */ + if (!adev || !adev->pnp.unique_id || !dev_is_platform(controller_parent)) + return 0; + + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); + if (dmi_id) + quirks = (unsigned long)dmi_id->driver_data; + + if (quirks & ACPI_QUIRK_UART1_TTY_UART2_SKIP) { + if (!strcmp(adev->pnp.unique_id, "1")) + return -ENODEV; /* Create tty cdev instead of serdev */ + + if (!strcmp(adev->pnp.unique_id, "2")) + *skip = true; + } + + return 0; +} +EXPORT_SYMBOL_GPL(acpi_quirk_skip_serdev_enumeration); +#endif + +/* Lists of PMIC ACPI HIDs with an (often better) native charger driver */ +static const struct { + const char *hid; + int hrv; +} acpi_skip_ac_and_battery_pmic_ids[] = { + { "INT33F4", -1 }, /* X-Powers AXP288 PMIC */ + { "INT34D3", 3 }, /* Intel Cherrytrail Whiskey Cove PMIC */ +}; + +bool acpi_quirk_skip_acpi_ac_and_battery(void) +{ + const struct dmi_system_id *dmi_id; + long quirks = 0; + int i; + + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); + if (dmi_id) + quirks = (unsigned long)dmi_id->driver_data; + + if (quirks & ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY) + return true; + + if (quirks & ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY) + return false; + + for (i = 0; i < ARRAY_SIZE(acpi_skip_ac_and_battery_pmic_ids); i++) { + if (acpi_dev_present(acpi_skip_ac_and_battery_pmic_ids[i].hid, "1", + acpi_skip_ac_and_battery_pmic_ids[i].hrv)) { + pr_info_once("found native %s PMIC, skipping ACPI AC and battery devices\n", + acpi_skip_ac_and_battery_pmic_ids[i].hid); + return true; + } + } + + return false; +} +EXPORT_SYMBOL_GPL(acpi_quirk_skip_acpi_ac_and_battery); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 1b84d5526d77..313e9475507b 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2859,8 +2859,19 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) goto invalid_fld; } - if (ata_is_ncq(tf->protocol) && (cdb[2 + cdb_offset] & 0x3) == 0) - tf->protocol = ATA_PROT_NCQ_NODATA; + if ((cdb[2 + cdb_offset] & 0x3) == 0) { + /* + * When T_LENGTH is zero (No data is transferred), dir should + * be DMA_NONE. + */ + if (scmd->sc_data_direction != DMA_NONE) { + fp = 2 + cdb_offset; + goto invalid_fld; + } + + if (ata_is_ncq(tf->protocol)) + tf->protocol = ATA_PROT_NCQ_NODATA; + } /* enable LBA */ tf->flags |= ATA_TFLAG_LBA; diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index f4d0c555de29..04ea92cbd9cf 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1902,7 +1902,7 @@ int dpm_prepare(pm_message_t state) device_block_probing(); mutex_lock(&dpm_list_mtx); - while (!list_empty(&dpm_list)) { + while (!list_empty(&dpm_list) && !error) { struct device *dev = to_device(dpm_list.next); get_device(dev); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8e3983e456f3..286cf1afad78 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1512,9 +1512,12 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) unsigned long flags; struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)dev_id; struct blkfront_info *info = rinfo->dev_info; + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; - if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) + if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) { + xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS); return IRQ_HANDLED; + } spin_lock_irqsave(&rinfo->ring_lock, flags); again: @@ -1530,6 +1533,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) unsigned long id; unsigned int op; + eoiflag = 0; + RING_COPY_RESPONSE(&rinfo->ring, i, &bret); id = bret.id; @@ -1646,6 +1651,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) spin_unlock_irqrestore(&rinfo->ring_lock, flags); + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; err: @@ -1653,6 +1660,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) spin_unlock_irqrestore(&rinfo->ring_lock, flags); + /* No EOI in order to avoid further interrupts. */ + pr_alert("%s disabled for further use\n", info->gd->disk_name); return IRQ_HANDLED; } @@ -1692,8 +1701,8 @@ static int setup_blkring(struct xenbus_device *dev, if (err) goto fail; - err = bind_evtchn_to_irqhandler(rinfo->evtchn, blkif_interrupt, 0, - "blkif", rinfo); + err = bind_evtchn_to_irqhandler_lateeoi(rinfo->evtchn, blkif_interrupt, + 0, "blkif", rinfo); if (err <= 0) { xenbus_dev_fatal(dev, err, "bind_evtchn_to_irqhandler failed"); diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index 6f225dddc74f..4566e730ef2b 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -687,11 +687,11 @@ err_clk_disable: static void sunxi_rsb_hw_exit(struct sunxi_rsb *rsb) { - /* Keep the clock and PM reference counts consistent. */ - if (pm_runtime_status_suspended(rsb->dev)) - pm_runtime_resume(rsb->dev); reset_control_assert(rsb->rstc); - clk_disable_unprepare(rsb->clk); + + /* Keep the clock and PM reference counts consistent. */ + if (!pm_runtime_status_suspended(rsb->dev)) + clk_disable_unprepare(rsb->clk); } static int __maybe_unused sunxi_rsb_runtime_suspend(struct device *dev) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index c837d5416e0e..c59265146e9c 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -3031,7 +3031,7 @@ cleanup_bmc_device(struct kref *ref) * with removing the device attributes while reading a device * attribute. */ - schedule_work(&bmc->remove_work); + queue_work(remove_work_wq, &bmc->remove_work); } /* @@ -5392,22 +5392,27 @@ static int ipmi_init_msghandler(void) if (initialized) goto out; - init_srcu_struct(&ipmi_interfaces_srcu); - - timer_setup(&ipmi_timer, ipmi_timeout, 0); - mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES); - - atomic_notifier_chain_register(&panic_notifier_list, &panic_block); + rv = init_srcu_struct(&ipmi_interfaces_srcu); + if (rv) + goto out; remove_work_wq = create_singlethread_workqueue("ipmi-msghandler-remove-wq"); if (!remove_work_wq) { pr_err("unable to create ipmi-msghandler-remove-wq workqueue"); rv = -ENOMEM; - goto out; + goto out_wq; } + timer_setup(&ipmi_timer, ipmi_timeout, 0); + mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES); + + atomic_notifier_chain_register(&panic_notifier_list, &panic_block); + initialized = true; +out_wq: + if (rv) + cleanup_srcu_struct(&ipmi_interfaces_srcu); out: mutex_unlock(&ipmi_interfaces_mutex); return rv; diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 0c62e578749e..48aab77abebf 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -1659,6 +1659,9 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) } } + ssif_info->client = client; + i2c_set_clientdata(client, ssif_info); + rv = ssif_check_and_remove(client, ssif_info); /* If rv is 0 and addr source is not SI_ACPI, continue probing */ if (!rv && ssif_info->addr_source == SI_ACPI) { @@ -1679,9 +1682,6 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) ipmi_addr_src_to_str(ssif_info->addr_source), client->addr, client->adapter->name, slave_addr); - ssif_info->client = client; - i2c_set_clientdata(client, ssif_info); - /* Now check for system interface capabilities */ msg[0] = IPMI_NETFN_APP_REQUEST << 2; msg[1] = IPMI_GET_SYSTEM_INTERFACE_CAPABILITIES_CMD; @@ -1881,6 +1881,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) dev_err(&ssif_info->client->dev, "Unable to start IPMI SSIF: %d\n", rv); + i2c_set_clientdata(client, NULL); kfree(ssif_info); } kfree(resp); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index f467d63bbf1e..566ee2c78709 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3418,6 +3418,14 @@ static int __clk_core_init(struct clk_core *core) clk_prepare_lock(); + /* + * Set hw->core after grabbing the prepare_lock to synchronize with + * callers of clk_core_fill_parent_index() where we treat hw->core + * being NULL as the clk not being registered yet. This is crucial so + * that clks aren't parented until their parent is fully registered. + */ + core->hw->core = core; + ret = clk_pm_runtime_get(core); if (ret) goto unlock; @@ -3582,8 +3590,10 @@ static int __clk_core_init(struct clk_core *core) out: clk_pm_runtime_put(core); unlock: - if (ret) + if (ret) { hlist_del_init(&core->child_node); + core->hw->core = NULL; + } clk_prepare_unlock(); @@ -3847,7 +3857,6 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw) core->num_parents = init->num_parents; core->min_rate = 0; core->max_rate = ULONG_MAX; - hw->core = core; ret = clk_core_populate_parent_map(core, init); if (ret) @@ -3865,7 +3874,7 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw) goto fail_create_clk; } - clk_core_link_consumer(hw->core, hw->clk); + clk_core_link_consumer(core, hw->clk); ret = __clk_core_init(core); if (!ret) diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c index fa768f10635f..fd29861526d6 100644 --- a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c +++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c @@ -211,6 +211,12 @@ static u32 uof_get_ae_mask(u32 obj_num) return adf_4xxx_fw_config[obj_num].ae_mask; } +static u32 get_vf2pf_sources(void __iomem *pmisc_addr) +{ + /* For the moment do not report vf2pf sources */ + return 0; +} + void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data) { hw_data->dev_class = &adf_4xxx_class; @@ -254,6 +260,7 @@ void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data) hw_data->set_msix_rttable = set_msix_default_rttable; hw_data->set_ssm_wdtimer = adf_gen4_set_ssm_wdtimer; hw_data->enable_pfvf_comms = pfvf_comms_disabled; + hw_data->get_vf2pf_sources = get_vf2pf_sources; hw_data->disable_iov = adf_disable_sriov; hw_data->min_iov_compat_ver = ADF_PFVF_COMPAT_THIS_VERSION; diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index cd0d745eb071..33baf1591a49 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -373,7 +373,7 @@ static void axi_chan_block_xfer_start(struct axi_dma_chan *chan, struct axi_dma_desc *first) { u32 priority = chan->chip->dw->hdata->priority[chan->id]; - struct axi_dma_chan_config config; + struct axi_dma_chan_config config = {}; u32 irq_mask; u8 lms = 0; /* Select AXI0 master for LLI fetching */ @@ -391,7 +391,7 @@ static void axi_chan_block_xfer_start(struct axi_dma_chan *chan, config.tt_fc = DWAXIDMAC_TT_FC_MEM_TO_MEM_DMAC; config.prior = priority; config.hs_sel_dst = DWAXIDMAC_HS_SEL_HW; - config.hs_sel_dst = DWAXIDMAC_HS_SEL_HW; + config.hs_sel_src = DWAXIDMAC_HS_SEL_HW; switch (chan->direction) { case DMA_MEM_TO_DEV: dw_axi_dma_set_byte_halfword(chan, true); diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c index 198f6cd8ac1b..cee7aa231d7b 100644 --- a/drivers/dma/dw-edma/dw-edma-pcie.c +++ b/drivers/dma/dw-edma/dw-edma-pcie.c @@ -187,17 +187,9 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev, /* DMA configuration */ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); - if (!err) { + if (err) { pci_err(pdev, "DMA mask 64 set failed\n"); return err; - } else { - pci_err(pdev, "DMA mask 64 set failed\n"); - - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - pci_err(pdev, "DMA mask 32 set failed\n"); - return err; - } } /* Data structure allocation */ diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c index 17f2f8a31b63..cf2c8bc4f147 100644 --- a/drivers/dma/idxd/irq.c +++ b/drivers/dma/idxd/irq.c @@ -137,10 +137,10 @@ halt: INIT_WORK(&idxd->work, idxd_device_reinit); queue_work(idxd->wq, &idxd->work); } else { - spin_lock(&idxd->dev_lock); idxd->state = IDXD_DEV_HALTED; idxd_wqs_quiesce(idxd); idxd_wqs_unmap_portal(idxd); + spin_lock(&idxd->dev_lock); idxd_device_clear_state(idxd); dev_err(&idxd->pdev->dev, "idxd halted, need %s.\n", diff --git a/drivers/dma/idxd/submit.c b/drivers/dma/idxd/submit.c index de76fb4abac2..83452fbbb168 100644 --- a/drivers/dma/idxd/submit.c +++ b/drivers/dma/idxd/submit.c @@ -106,6 +106,7 @@ static void llist_abort_desc(struct idxd_wq *wq, struct idxd_irq_entry *ie, { struct idxd_desc *d, *t, *found = NULL; struct llist_node *head; + LIST_HEAD(flist); desc->completion->status = IDXD_COMP_DESC_ABORT; /* @@ -120,7 +121,11 @@ static void llist_abort_desc(struct idxd_wq *wq, struct idxd_irq_entry *ie, found = desc; continue; } - list_add_tail(&desc->list, &ie->work_list); + + if (d->completion->status) + list_add_tail(&d->list, &flist); + else + list_add_tail(&d->list, &ie->work_list); } } @@ -130,6 +135,17 @@ static void llist_abort_desc(struct idxd_wq *wq, struct idxd_irq_entry *ie, if (found) complete_desc(found, IDXD_COMPLETE_ABORT); + + /* + * complete_desc() will return desc to allocator and the desc can be + * acquired by a different process and the desc->list can be modified. + * Delete desc from list so the list trasversing does not get corrupted + * by the other process. + */ + list_for_each_entry_safe(d, t, &flist, list) { + list_del_init(&d->list); + complete_desc(d, IDXD_COMPLETE_NORMAL); + } } int idxd_submit_desc(struct idxd_wq *wq, struct idxd_desc *desc) diff --git a/drivers/dma/st_fdma.c b/drivers/dma/st_fdma.c index 962b6e05287b..d95c421877fb 100644 --- a/drivers/dma/st_fdma.c +++ b/drivers/dma/st_fdma.c @@ -874,4 +874,4 @@ MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("STMicroelectronics FDMA engine driver"); MODULE_AUTHOR("Ludovic.barre <Ludovic.barre@st.com>"); MODULE_AUTHOR("Peter Griffin <peter.griffin@linaro.org>"); -MODULE_ALIAS("platform: " DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 041d8e32d630..6e56d1cef5ee 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -4534,45 +4534,60 @@ static int udma_setup_resources(struct udma_dev *ud) rm_res = tisci_rm->rm_ranges[RM_RANGE_TCHAN]; if (IS_ERR(rm_res)) { bitmap_zero(ud->tchan_map, ud->tchan_cnt); + irq_res.sets = 1; } else { bitmap_fill(ud->tchan_map, ud->tchan_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->tchan_map, &rm_res->desc[i], "tchan"); + irq_res.sets = rm_res->sets; } - irq_res.sets = rm_res->sets; /* rchan and matching default flow ranges */ rm_res = tisci_rm->rm_ranges[RM_RANGE_RCHAN]; if (IS_ERR(rm_res)) { bitmap_zero(ud->rchan_map, ud->rchan_cnt); + irq_res.sets++; } else { bitmap_fill(ud->rchan_map, ud->rchan_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->rchan_map, &rm_res->desc[i], "rchan"); + irq_res.sets += rm_res->sets; } - irq_res.sets += rm_res->sets; irq_res.desc = kcalloc(irq_res.sets, sizeof(*irq_res.desc), GFP_KERNEL); + if (!irq_res.desc) + return -ENOMEM; rm_res = tisci_rm->rm_ranges[RM_RANGE_TCHAN]; - for (i = 0; i < rm_res->sets; i++) { - irq_res.desc[i].start = rm_res->desc[i].start; - irq_res.desc[i].num = rm_res->desc[i].num; - irq_res.desc[i].start_sec = rm_res->desc[i].start_sec; - irq_res.desc[i].num_sec = rm_res->desc[i].num_sec; + if (IS_ERR(rm_res)) { + irq_res.desc[0].start = 0; + irq_res.desc[0].num = ud->tchan_cnt; + i = 1; + } else { + for (i = 0; i < rm_res->sets; i++) { + irq_res.desc[i].start = rm_res->desc[i].start; + irq_res.desc[i].num = rm_res->desc[i].num; + irq_res.desc[i].start_sec = rm_res->desc[i].start_sec; + irq_res.desc[i].num_sec = rm_res->desc[i].num_sec; + } } rm_res = tisci_rm->rm_ranges[RM_RANGE_RCHAN]; - for (j = 0; j < rm_res->sets; j++, i++) { - if (rm_res->desc[j].num) { - irq_res.desc[i].start = rm_res->desc[j].start + - ud->soc_data->oes.udma_rchan; - irq_res.desc[i].num = rm_res->desc[j].num; - } - if (rm_res->desc[j].num_sec) { - irq_res.desc[i].start_sec = rm_res->desc[j].start_sec + - ud->soc_data->oes.udma_rchan; - irq_res.desc[i].num_sec = rm_res->desc[j].num_sec; + if (IS_ERR(rm_res)) { + irq_res.desc[i].start = 0; + irq_res.desc[i].num = ud->rchan_cnt; + } else { + for (j = 0; j < rm_res->sets; j++, i++) { + if (rm_res->desc[j].num) { + irq_res.desc[i].start = rm_res->desc[j].start + + ud->soc_data->oes.udma_rchan; + irq_res.desc[i].num = rm_res->desc[j].num; + } + if (rm_res->desc[j].num_sec) { + irq_res.desc[i].start_sec = rm_res->desc[j].start_sec + + ud->soc_data->oes.udma_rchan; + irq_res.desc[i].num_sec = rm_res->desc[j].num_sec; + } } } ret = ti_sci_inta_msi_domain_alloc_irqs(ud->dev, &irq_res); @@ -4690,14 +4705,15 @@ static int bcdma_setup_resources(struct udma_dev *ud) rm_res = tisci_rm->rm_ranges[RM_RANGE_BCHAN]; if (IS_ERR(rm_res)) { bitmap_zero(ud->bchan_map, ud->bchan_cnt); + irq_res.sets++; } else { bitmap_fill(ud->bchan_map, ud->bchan_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->bchan_map, &rm_res->desc[i], "bchan"); + irq_res.sets += rm_res->sets; } - irq_res.sets += rm_res->sets; } /* tchan ranges */ @@ -4705,14 +4721,15 @@ static int bcdma_setup_resources(struct udma_dev *ud) rm_res = tisci_rm->rm_ranges[RM_RANGE_TCHAN]; if (IS_ERR(rm_res)) { bitmap_zero(ud->tchan_map, ud->tchan_cnt); + irq_res.sets += 2; } else { bitmap_fill(ud->tchan_map, ud->tchan_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->tchan_map, &rm_res->desc[i], "tchan"); + irq_res.sets += rm_res->sets * 2; } - irq_res.sets += rm_res->sets * 2; } /* rchan ranges */ @@ -4720,47 +4737,72 @@ static int bcdma_setup_resources(struct udma_dev *ud) rm_res = tisci_rm->rm_ranges[RM_RANGE_RCHAN]; if (IS_ERR(rm_res)) { bitmap_zero(ud->rchan_map, ud->rchan_cnt); + irq_res.sets += 2; } else { bitmap_fill(ud->rchan_map, ud->rchan_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->rchan_map, &rm_res->desc[i], "rchan"); + irq_res.sets += rm_res->sets * 2; } - irq_res.sets += rm_res->sets * 2; } irq_res.desc = kcalloc(irq_res.sets, sizeof(*irq_res.desc), GFP_KERNEL); + if (!irq_res.desc) + return -ENOMEM; if (ud->bchan_cnt) { rm_res = tisci_rm->rm_ranges[RM_RANGE_BCHAN]; - for (i = 0; i < rm_res->sets; i++) { - irq_res.desc[i].start = rm_res->desc[i].start + - oes->bcdma_bchan_ring; - irq_res.desc[i].num = rm_res->desc[i].num; + if (IS_ERR(rm_res)) { + irq_res.desc[0].start = oes->bcdma_bchan_ring; + irq_res.desc[0].num = ud->bchan_cnt; + i = 1; + } else { + for (i = 0; i < rm_res->sets; i++) { + irq_res.desc[i].start = rm_res->desc[i].start + + oes->bcdma_bchan_ring; + irq_res.desc[i].num = rm_res->desc[i].num; + } } } if (ud->tchan_cnt) { rm_res = tisci_rm->rm_ranges[RM_RANGE_TCHAN]; - for (j = 0; j < rm_res->sets; j++, i += 2) { - irq_res.desc[i].start = rm_res->desc[j].start + - oes->bcdma_tchan_data; - irq_res.desc[i].num = rm_res->desc[j].num; - - irq_res.desc[i + 1].start = rm_res->desc[j].start + - oes->bcdma_tchan_ring; - irq_res.desc[i + 1].num = rm_res->desc[j].num; + if (IS_ERR(rm_res)) { + irq_res.desc[i].start = oes->bcdma_tchan_data; + irq_res.desc[i].num = ud->tchan_cnt; + irq_res.desc[i + 1].start = oes->bcdma_tchan_ring; + irq_res.desc[i + 1].num = ud->tchan_cnt; + i += 2; + } else { + for (j = 0; j < rm_res->sets; j++, i += 2) { + irq_res.desc[i].start = rm_res->desc[j].start + + oes->bcdma_tchan_data; + irq_res.desc[i].num = rm_res->desc[j].num; + + irq_res.desc[i + 1].start = rm_res->desc[j].start + + oes->bcdma_tchan_ring; + irq_res.desc[i + 1].num = rm_res->desc[j].num; + } } } if (ud->rchan_cnt) { rm_res = tisci_rm->rm_ranges[RM_RANGE_RCHAN]; - for (j = 0; j < rm_res->sets; j++, i += 2) { - irq_res.desc[i].start = rm_res->desc[j].start + - oes->bcdma_rchan_data; - irq_res.desc[i].num = rm_res->desc[j].num; - - irq_res.desc[i + 1].start = rm_res->desc[j].start + - oes->bcdma_rchan_ring; - irq_res.desc[i + 1].num = rm_res->desc[j].num; + if (IS_ERR(rm_res)) { + irq_res.desc[i].start = oes->bcdma_rchan_data; + irq_res.desc[i].num = ud->rchan_cnt; + irq_res.desc[i + 1].start = oes->bcdma_rchan_ring; + irq_res.desc[i + 1].num = ud->rchan_cnt; + i += 2; + } else { + for (j = 0; j < rm_res->sets; j++, i += 2) { + irq_res.desc[i].start = rm_res->desc[j].start + + oes->bcdma_rchan_data; + irq_res.desc[i].num = rm_res->desc[j].num; + + irq_res.desc[i + 1].start = rm_res->desc[j].start + + oes->bcdma_rchan_ring; + irq_res.desc[i + 1].num = rm_res->desc[j].num; + } } } @@ -4858,39 +4900,54 @@ static int pktdma_setup_resources(struct udma_dev *ud) if (IS_ERR(rm_res)) { /* all rflows are assigned exclusively to Linux */ bitmap_zero(ud->rflow_in_use, ud->rflow_cnt); + irq_res.sets = 1; } else { bitmap_fill(ud->rflow_in_use, ud->rflow_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->rflow_in_use, &rm_res->desc[i], "rflow"); + irq_res.sets = rm_res->sets; } - irq_res.sets = rm_res->sets; /* tflow ranges */ rm_res = tisci_rm->rm_ranges[RM_RANGE_TFLOW]; if (IS_ERR(rm_res)) { /* all tflows are assigned exclusively to Linux */ bitmap_zero(ud->tflow_map, ud->tflow_cnt); + irq_res.sets++; } else { bitmap_fill(ud->tflow_map, ud->tflow_cnt); for (i = 0; i < rm_res->sets; i++) udma_mark_resource_ranges(ud, ud->tflow_map, &rm_res->desc[i], "tflow"); + irq_res.sets += rm_res->sets; } - irq_res.sets += rm_res->sets; irq_res.desc = kcalloc(irq_res.sets, sizeof(*irq_res.desc), GFP_KERNEL); + if (!irq_res.desc) + return -ENOMEM; rm_res = tisci_rm->rm_ranges[RM_RANGE_TFLOW]; - for (i = 0; i < rm_res->sets; i++) { - irq_res.desc[i].start = rm_res->desc[i].start + - oes->pktdma_tchan_flow; - irq_res.desc[i].num = rm_res->desc[i].num; + if (IS_ERR(rm_res)) { + irq_res.desc[0].start = oes->pktdma_tchan_flow; + irq_res.desc[0].num = ud->tflow_cnt; + i = 1; + } else { + for (i = 0; i < rm_res->sets; i++) { + irq_res.desc[i].start = rm_res->desc[i].start + + oes->pktdma_tchan_flow; + irq_res.desc[i].num = rm_res->desc[i].num; + } } rm_res = tisci_rm->rm_ranges[RM_RANGE_RFLOW]; - for (j = 0; j < rm_res->sets; j++, i++) { - irq_res.desc[i].start = rm_res->desc[j].start + - oes->pktdma_rchan_flow; - irq_res.desc[i].num = rm_res->desc[j].num; + if (IS_ERR(rm_res)) { + irq_res.desc[i].start = oes->pktdma_rchan_flow; + irq_res.desc[i].num = ud->rflow_cnt; + } else { + for (j = 0; j < rm_res->sets; j++, i++) { + irq_res.desc[i].start = rm_res->desc[j].start + + oes->pktdma_rchan_flow; + irq_res.desc[i].num = rm_res->desc[j].num; + } } ret = ti_sci_inta_msi_domain_alloc_irqs(ud->dev, &irq_res); kfree(irq_res.desc); diff --git a/drivers/firmware/scpi_pm_domain.c b/drivers/firmware/scpi_pm_domain.c index 51201600d789..800673910b51 100644 --- a/drivers/firmware/scpi_pm_domain.c +++ b/drivers/firmware/scpi_pm_domain.c @@ -16,7 +16,6 @@ struct scpi_pm_domain { struct generic_pm_domain genpd; struct scpi_ops *ops; u32 domain; - char name[30]; }; /* @@ -110,8 +109,13 @@ static int scpi_pm_domain_probe(struct platform_device *pdev) scpi_pd->domain = i; scpi_pd->ops = scpi_ops; - sprintf(scpi_pd->name, "%pOFn.%d", np, i); - scpi_pd->genpd.name = scpi_pd->name; + scpi_pd->genpd.name = devm_kasprintf(dev, GFP_KERNEL, + "%pOFn.%d", np, i); + if (!scpi_pd->genpd.name) { + dev_err(dev, "Failed to allocate genpd name:%pOFn.%d\n", + np, i); + continue; + } scpi_pd->genpd.power_off = scpi_pd_power_off; scpi_pd->genpd.power_on = scpi_pd_power_on; diff --git a/drivers/firmware/tegra/bpmp-debugfs.c b/drivers/firmware/tegra/bpmp-debugfs.c index 6d66fe03fb6a..fd89899aeeed 100644 --- a/drivers/firmware/tegra/bpmp-debugfs.c +++ b/drivers/firmware/tegra/bpmp-debugfs.c @@ -77,13 +77,14 @@ static const char *get_filename(struct tegra_bpmp *bpmp, const char *root_path, *filename = NULL; char *root_path_buf; size_t root_len; + size_t root_path_buf_len = 512; - root_path_buf = kzalloc(512, GFP_KERNEL); + root_path_buf = kzalloc(root_path_buf_len, GFP_KERNEL); if (!root_path_buf) goto out; root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf, - sizeof(root_path_buf)); + root_path_buf_len); if (IS_ERR(root_path)) goto out; diff --git a/drivers/gpio/gpio-dln2.c b/drivers/gpio/gpio-dln2.c index 026903e3ef54..08b9e2cf4f2d 100644 --- a/drivers/gpio/gpio-dln2.c +++ b/drivers/gpio/gpio-dln2.c @@ -46,6 +46,7 @@ struct dln2_gpio { struct platform_device *pdev; struct gpio_chip gpio; + struct irq_chip irqchip; /* * Cache pin direction to save us one transfer, since the hardware has @@ -383,15 +384,6 @@ static void dln2_irq_bus_unlock(struct irq_data *irqd) mutex_unlock(&dln2->irq_lock); } -static struct irq_chip dln2_gpio_irqchip = { - .name = "dln2-irq", - .irq_mask = dln2_irq_mask, - .irq_unmask = dln2_irq_unmask, - .irq_set_type = dln2_irq_set_type, - .irq_bus_lock = dln2_irq_bus_lock, - .irq_bus_sync_unlock = dln2_irq_bus_unlock, -}; - static void dln2_gpio_event(struct platform_device *pdev, u16 echo, const void *data, int len) { @@ -473,8 +465,15 @@ static int dln2_gpio_probe(struct platform_device *pdev) dln2->gpio.direction_output = dln2_gpio_direction_output; dln2->gpio.set_config = dln2_gpio_set_config; + dln2->irqchip.name = "dln2-irq", + dln2->irqchip.irq_mask = dln2_irq_mask, + dln2->irqchip.irq_unmask = dln2_irq_unmask, + dln2->irqchip.irq_set_type = dln2_irq_set_type, + dln2->irqchip.irq_bus_lock = dln2_irq_bus_lock, + dln2->irqchip.irq_bus_sync_unlock = dln2_irq_bus_unlock, + girq = &dln2->gpio.irq; - girq->chip = &dln2_gpio_irqchip; + girq->chip = &dln2->irqchip; /* The event comes from the outside so no parent handler */ girq->parent_handler = NULL; girq->num_parents = 0; diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c index 84f96b78f32a..9f4941bc5760 100644 --- a/drivers/gpio/gpio-virtio.c +++ b/drivers/gpio/gpio-virtio.c @@ -100,11 +100,7 @@ static int _virtio_gpio_req(struct virtio_gpio *vgpio, u16 type, u16 gpio, virtqueue_kick(vgpio->request_vq); mutex_unlock(&vgpio->lock); - if (!wait_for_completion_timeout(&line->completion, HZ)) { - dev_err(dev, "GPIO operation timed out\n"); - ret = -ETIMEDOUT; - goto out; - } + wait_for_completion(&line->completion); if (unlikely(res->status != VIRTIO_GPIO_STATUS_OK)) { dev_err(dev, "GPIO request failed: %d\n", gpio); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index b305fd39874f..edb3e3b08eed 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3070,8 +3070,8 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev) AMD_PG_SUPPORT_CP | AMD_PG_SUPPORT_GDS | AMD_PG_SUPPORT_RLC_SMU_HS)) { - WREG32(mmRLC_JUMP_TABLE_RESTORE, - adev->gfx.rlc.cp_table_gpu_addr >> 8); + WREG32_SOC15(GC, 0, mmRLC_JUMP_TABLE_RESTORE, + adev->gfx.rlc.cp_table_gpu_addr >> 8); gfx_v9_0_init_gfx_power_gating(adev); } } diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 480e41847d7c..ec4d5e15b766 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -162,7 +162,6 @@ static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC);/* XXX for emulation. */ tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c index 14c1c1a297dd..6e0ace2fbfab 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c @@ -196,7 +196,6 @@ static void gfxhub_v2_0_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC); /* UC, uncached */ diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c index e80d1dc43079..b4eddf6e98a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c @@ -197,7 +197,6 @@ static void gfxhub_v2_1_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC); /* UC, uncached */ diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index cb82404df534..d84523cf5f75 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1808,6 +1808,14 @@ static int gmc_v9_0_hw_fini(void *handle) return 0; } + /* + * Pair the operations did in gmc_v9_0_hw_init and thus maintain + * a correct cached state for GMC. Otherwise, the "gate" again + * operation on S3 resuming will fail due to wrong cached state. + */ + if (adev->mmhub.funcs->update_power_gating) + adev->mmhub.funcs->update_power_gating(adev, false); + amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index a99953833820..1da2ec692057 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -145,7 +145,6 @@ static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC);/* XXX for emulation. */ tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); @@ -302,10 +301,10 @@ static void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev, if (amdgpu_sriov_vf(adev)) return; - if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) { - amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GMC, true); - - } + if (adev->pg_flags & AMD_PG_SUPPORT_MMHUB) + amdgpu_dpm_set_powergating_by_smu(adev, + AMD_IP_BLOCK_TYPE_GMC, + enable); } static int mmhub_v1_0_gart_enable(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c index f80a14a1b82d..f5f7181f9af5 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c @@ -165,7 +165,6 @@ static void mmhub_v1_7_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC);/* XXX for emulation. */ tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c index 25f8e93e5ec3..3718ff610ab2 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c @@ -267,7 +267,6 @@ static void mmhub_v2_0_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC); /* UC, uncached */ diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c index a11d60ec6321..9e16da28505a 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c @@ -194,7 +194,6 @@ static void mmhub_v2_3_init_tlb_regs(struct amdgpu_device *adev) ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC); /* UC, uncached */ diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c index c4ef822bbe8c..ff49eeaf7882 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c @@ -190,8 +190,6 @@ static void mmhub_v9_4_init_tlb_regs(struct amdgpu_device *adev, int hubid) tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, - ECO_BITS, 0); - tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC);/* XXX for emulation. */ tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 122dae1a1813..e727f1dd2a9a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1051,6 +1051,11 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev) return 0; } + /* Reset DMCUB if it was previously running - before we overwrite its memory. */ + status = dmub_srv_hw_reset(dmub_srv); + if (status != DMUB_STATUS_OK) + DRM_WARN("Error resetting DMUB HW: %d\n", status); + hdr = (const struct dmcub_firmware_header_v1_0 *)dmub_fw->data; fw_inst_const = dmub_fw->data + diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c index 05335a8c3c2d..4f6e639e9353 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c @@ -101,6 +101,7 @@ static const struct hw_sequencer_funcs dcn31_funcs = { .z10_restore = dcn31_z10_restore, .z10_save_init = dcn31_z10_save_init, .set_disp_pattern_generator = dcn30_set_disp_pattern_generator, + .exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state, .update_visual_confirm_color = dcn20_update_visual_confirm_color, }; diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c index 8d796ed3b7d1..619f8d305292 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c @@ -1328,7 +1328,12 @@ static int pp_set_powergating_by_smu(void *handle, pp_dpm_powergate_vce(handle, gate); break; case AMD_IP_BLOCK_TYPE_GMC: - pp_dpm_powergate_mmhub(handle); + /* + * For now, this is only used on PICASSO. + * And only "gate" operation is supported. + */ + if (gate) + pp_dpm_powergate_mmhub(handle); break; case AMD_IP_BLOCK_TYPE_GFX: ret = pp_dpm_powergate_gfx(handle, gate); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c index d60b8c5e8715..43028f2cd28b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c @@ -191,6 +191,9 @@ int smu_v12_0_fini_smc_tables(struct smu_context *smu) kfree(smu_table->watermarks_table); smu_table->watermarks_table = NULL; + kfree(smu_table->gpu_metrics_table); + smu_table->gpu_metrics_table = NULL; + return 0; } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 35145db6eedf..19a5d2c39c8d 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -198,6 +198,7 @@ int smu_v13_0_check_fw_status(struct smu_context *smu) int smu_v13_0_check_fw_version(struct smu_context *smu) { + struct amdgpu_device *adev = smu->adev; uint32_t if_version = 0xff, smu_version = 0xff; uint16_t smu_major; uint8_t smu_minor, smu_debug; @@ -210,6 +211,8 @@ int smu_v13_0_check_fw_version(struct smu_context *smu) smu_major = (smu_version >> 16) & 0xffff; smu_minor = (smu_version >> 8) & 0xff; smu_debug = (smu_version >> 0) & 0xff; + if (smu->is_apu) + adev->pm.fw_version = smu_version; switch (smu->adev->ip_versions[MP1_HWIP][0]) { case IP_VERSION(13, 0, 2): diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 1e30eaeb0e1b..d5c98f79d58d 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -1121,7 +1121,10 @@ static void ast_crtc_reset(struct drm_crtc *crtc) if (crtc->state) crtc->funcs->atomic_destroy_state(crtc, crtc->state); - __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); + if (ast_state) + __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); + else + __drm_atomic_helper_crtc_reset(crtc, NULL); } static struct drm_crtc_state * diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 8e7a124d6c5a..22bf690910b2 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1743,7 +1743,13 @@ void drm_fb_helper_fill_info(struct fb_info *info, sizes->fb_width, sizes->fb_height); info->par = fb_helper; - snprintf(info->fix.id, sizeof(info->fix.id), "%s", + /* + * The DRM drivers fbdev emulation device name can be confusing if the + * driver name also has a "drm" suffix on it. Leading to names such as + * "simpledrmdrmfb" in /proc/fb. Unfortunately, it's an uAPI and can't + * be changed due user-space tools (e.g: pm-utils) matching against it. + */ + snprintf(info->fix.id, sizeof(info->fix.id), "%sdrmfb", fb_helper->dev->driver->name); } diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 2dc9d632969d..aef69522f0be 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -596,7 +596,7 @@ static void parse_dmc_fw(struct drm_i915_private *dev_priv, continue; offset = readcount + dmc->dmc_info[id].dmc_offset * 4; - if (fw->size - offset < 0) { + if (offset > fw->size) { drm_err(&dev_priv->drm, "Reading beyond the fw_size\n"); continue; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index c48557dfa04c..302e9ff0602c 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -1662,11 +1662,11 @@ static int steal_guc_id(struct intel_guc *guc, struct intel_context *ce) GEM_BUG_ON(intel_context_is_parent(cn)); list_del_init(&cn->guc_id.link); - ce->guc_id = cn->guc_id; + ce->guc_id.id = cn->guc_id.id; - spin_lock(&ce->guc_state.lock); + spin_lock(&cn->guc_state.lock); clr_context_registered(cn); - spin_unlock(&ce->guc_state.lock); + spin_unlock(&cn->guc_state.lock); set_context_guc_id_invalid(cn); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 5838c44cbf6f..3196189429bc 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1224,12 +1224,14 @@ static int mtk_hdmi_bridge_mode_valid(struct drm_bridge *bridge, return MODE_BAD; } - if (hdmi->conf->cea_modes_only && !drm_match_cea_mode(mode)) - return MODE_BAD; + if (hdmi->conf) { + if (hdmi->conf->cea_modes_only && !drm_match_cea_mode(mode)) + return MODE_BAD; - if (hdmi->conf->max_mode_clock && - mode->clock > hdmi->conf->max_mode_clock) - return MODE_CLOCK_HIGH; + if (hdmi->conf->max_mode_clock && + mode->clock > hdmi->conf->max_mode_clock) + return MODE_CLOCK_HIGH; + } if (mode->clock < 27000) return MODE_CLOCK_LOW; diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index 481b48bde047..5a6e89825bc2 100644 --- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c @@ -458,7 +458,7 @@ static struct drm_display_mode simpledrm_mode(unsigned int width, { struct drm_display_mode mode = { SIMPLEDRM_MODE(width, height) }; - mode.clock = 60 /* Hz */ * mode.hdisplay * mode.vdisplay; + mode.clock = mode.hdisplay * mode.vdisplay * 60 / 1000 /* kHz */; drm_mode_set_name(&mode); return mode; diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c index b7172c48ef9f..7c907939bfae 100644 --- a/drivers/hid/hid-holtek-mouse.c +++ b/drivers/hid/hid-holtek-mouse.c @@ -65,8 +65,23 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, static int holtek_mouse_probe(struct hid_device *hdev, const struct hid_device_id *id) { + int ret; + if (!hid_is_usb(hdev)) return -EINVAL; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "hid parse failed: %d\n", ret); + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed: %d\n", ret); + return ret; + } + return 0; } diff --git a/drivers/hid/hid-vivaldi.c b/drivers/hid/hid-vivaldi.c index cd7ada48b1d9..72957a9f7117 100644 --- a/drivers/hid/hid-vivaldi.c +++ b/drivers/hid/hid-vivaldi.c @@ -57,6 +57,9 @@ static int vivaldi_probe(struct hid_device *hdev, int ret; drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + hid_set_drvdata(hdev, drvdata); ret = hid_parse(hdev); diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig index dd12af20e467..0747a8f1fcee 100644 --- a/drivers/hv/Kconfig +++ b/drivers/hv/Kconfig @@ -19,6 +19,7 @@ config HYPERV_TIMER config HYPERV_UTILS tristate "Microsoft Hyper-V Utilities driver" depends on HYPERV && CONNECTOR && NLS + depends on PTP_1588_CLOCK_OPTIONAL help Select this option to enable the Hyper-V Utilities. diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 618052c6cdb6..74019dff2550 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -35,13 +35,14 @@ * explicitly as max6659, or if its address is not 0x4c. * These chips lack the remote temperature offset feature. * - * This driver also supports the MAX6654 chip made by Maxim. This chip can - * be at 9 different addresses, similar to MAX6680/MAX6681. The MAX6654 is - * otherwise similar to MAX6657/MAX6658/MAX6659. Extended range is available - * by setting the configuration register accordingly, and is done during - * initialization. Extended precision is only available at conversion rates - * of 1 Hz and slower. Note that extended precision is not enabled by - * default, as this driver initializes all chips to 2 Hz by design. + * This driver also supports the MAX6654 chip made by Maxim. This chip can be + * at 9 different addresses, similar to MAX6680/MAX6681. The MAX6654 is similar + * to MAX6657/MAX6658/MAX6659, but does not support critical temperature + * limits. Extended range is available by setting the configuration register + * accordingly, and is done during initialization. Extended precision is only + * available at conversion rates of 1 Hz and slower. Note that extended + * precision is not enabled by default, as this driver initializes all chips + * to 2 Hz by design. * * This driver also supports the MAX6646, MAX6647, MAX6648, MAX6649 and * MAX6692 chips made by Maxim. These are again similar to the LM86, @@ -188,6 +189,8 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */ #define LM90_HAVE_EXTENDED_TEMP (1 << 8) /* extended temperature support*/ #define LM90_PAUSE_FOR_CONFIG (1 << 9) /* Pause conversion for config */ +#define LM90_HAVE_CRIT (1 << 10)/* Chip supports CRIT/OVERT register */ +#define LM90_HAVE_CRIT_ALRM_SWP (1 << 11)/* critical alarm bits swapped */ /* LM90 status */ #define LM90_STATUS_LTHRM (1 << 0) /* local THERM limit tripped */ @@ -197,6 +200,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ #define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ #define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ +#define LM90_STATUS_BUSY (1 << 7) /* conversion is ongoing */ #define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ #define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ @@ -354,38 +358,43 @@ struct lm90_params { static const struct lm90_params lm90_params[] = { [adm1032] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 10, }, [adt7461] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP + | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 10, }, [g781] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, }, [lm86] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, }, [lm90] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, }, [lm99] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, }, [max6646] = { + .flags = LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 6, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, @@ -396,50 +405,51 @@ static const struct lm90_params lm90_params[] = { .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [max6657] = { - .flags = LM90_PAUSE_FOR_CONFIG, + .flags = LM90_PAUSE_FOR_CONFIG | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [max6659] = { - .flags = LM90_HAVE_EMERGENCY, + .flags = LM90_HAVE_EMERGENCY | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [max6680] = { - .flags = LM90_HAVE_OFFSET, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_CRIT + | LM90_HAVE_CRIT_ALRM_SWP, .alert_alarms = 0x7c, .max_convrate = 7, }, [max6696] = { .flags = LM90_HAVE_EMERGENCY - | LM90_HAVE_EMERGENCY_ALARM | LM90_HAVE_TEMP3, + | LM90_HAVE_EMERGENCY_ALARM | LM90_HAVE_TEMP3 | LM90_HAVE_CRIT, .alert_alarms = 0x1c7c, .max_convrate = 6, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [w83l771] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, }, [sa56004] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, .reg_local_ext = SA56004_REG_R_LOCAL_TEMPL, }, [tmp451] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 9, .reg_local_ext = TMP451_REG_R_LOCAL_TEMPL, }, [tmp461] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 9, .reg_local_ext = TMP451_REG_R_LOCAL_TEMPL, @@ -668,20 +678,22 @@ static int lm90_update_limits(struct device *dev) struct i2c_client *client = data->client; int val; - val = lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT); - if (val < 0) - return val; - data->temp8[LOCAL_CRIT] = val; + if (data->flags & LM90_HAVE_CRIT) { + val = lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT); + if (val < 0) + return val; + data->temp8[LOCAL_CRIT] = val; - val = lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT); - if (val < 0) - return val; - data->temp8[REMOTE_CRIT] = val; + val = lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT); + if (val < 0) + return val; + data->temp8[REMOTE_CRIT] = val; - val = lm90_read_reg(client, LM90_REG_R_TCRIT_HYST); - if (val < 0) - return val; - data->temp_hyst = val; + val = lm90_read_reg(client, LM90_REG_R_TCRIT_HYST); + if (val < 0) + return val; + data->temp_hyst = val; + } val = lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH); if (val < 0) @@ -809,7 +821,7 @@ static int lm90_update_device(struct device *dev) val = lm90_read_reg(client, LM90_REG_R_STATUS); if (val < 0) return val; - data->alarms = val; /* lower 8 bit of alarms */ + data->alarms = val & ~LM90_STATUS_BUSY; if (data->kind == max6696) { val = lm90_select_remote_channel(data, 1); @@ -1160,8 +1172,8 @@ static int lm90_set_temphyst(struct lm90_data *data, long val) else temp = temp_from_s8(data->temp8[LOCAL_CRIT]); - /* prevent integer underflow */ - val = max(val, -128000l); + /* prevent integer overflow/underflow */ + val = clamp_val(val, -128000l, 255000l); data->temp_hyst = hyst_to_reg(temp - val); err = i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST, @@ -1192,6 +1204,7 @@ static const u8 lm90_temp_emerg_index[3] = { static const u8 lm90_min_alarm_bits[3] = { 5, 3, 11 }; static const u8 lm90_max_alarm_bits[3] = { 6, 4, 12 }; static const u8 lm90_crit_alarm_bits[3] = { 0, 1, 9 }; +static const u8 lm90_crit_alarm_bits_swapped[3] = { 1, 0, 9 }; static const u8 lm90_emergency_alarm_bits[3] = { 15, 13, 14 }; static const u8 lm90_fault_bits[3] = { 0, 2, 10 }; @@ -1217,7 +1230,10 @@ static int lm90_temp_read(struct device *dev, u32 attr, int channel, long *val) *val = (data->alarms >> lm90_max_alarm_bits[channel]) & 1; break; case hwmon_temp_crit_alarm: - *val = (data->alarms >> lm90_crit_alarm_bits[channel]) & 1; + if (data->flags & LM90_HAVE_CRIT_ALRM_SWP) + *val = (data->alarms >> lm90_crit_alarm_bits_swapped[channel]) & 1; + else + *val = (data->alarms >> lm90_crit_alarm_bits[channel]) & 1; break; case hwmon_temp_emergency_alarm: *val = (data->alarms >> lm90_emergency_alarm_bits[channel]) & 1; @@ -1465,12 +1481,11 @@ static int lm90_detect(struct i2c_client *client, if (man_id < 0 || chip_id < 0 || config1 < 0 || convrate < 0) return -ENODEV; - if (man_id == 0x01 || man_id == 0x5C || man_id == 0x41) { + if (man_id == 0x01 || man_id == 0x5C || man_id == 0xA1) { config2 = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG2); if (config2 < 0) return -ENODEV; - } else - config2 = 0; /* Make compiler happy */ + } if ((address == 0x4C || address == 0x4D) && man_id == 0x01) { /* National Semiconductor */ @@ -1903,11 +1918,14 @@ static int lm90_probe(struct i2c_client *client) info->config = data->channel_config; data->channel_config[0] = HWMON_T_INPUT | HWMON_T_MIN | HWMON_T_MAX | - HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_MIN_ALARM | - HWMON_T_MAX_ALARM | HWMON_T_CRIT_ALARM; + HWMON_T_MIN_ALARM | HWMON_T_MAX_ALARM; data->channel_config[1] = HWMON_T_INPUT | HWMON_T_MIN | HWMON_T_MAX | - HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_MIN_ALARM | - HWMON_T_MAX_ALARM | HWMON_T_CRIT_ALARM | HWMON_T_FAULT; + HWMON_T_MIN_ALARM | HWMON_T_MAX_ALARM | HWMON_T_FAULT; + + if (data->flags & LM90_HAVE_CRIT) { + data->channel_config[0] |= HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_CRIT_HYST; + data->channel_config[1] |= HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_CRIT_HYST; + } if (data->flags & LM90_HAVE_OFFSET) data->channel_config[1] |= HWMON_T_OFFSET; diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 92c1cc07ed46..15332baa9e85 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -254,6 +254,13 @@ static void i2c_acpi_register_device(struct i2c_adapter *adapter, struct acpi_device *adev, struct i2c_board_info *info) { + /* + * Skip registration on boards where the ACPI tables are + * known to contain bogus I2C devices. + */ + if (acpi_quirk_skip_i2c_client_enumeration(adev)) + return; + adev->power.flags.ignore_parent = true; acpi_device_set_enumerated(adev); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index bbfa1332dedc..eb0defa80d0d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1594,11 +1594,17 @@ static int hns_roce_config_global_param(struct hns_roce_dev *hr_dev) { struct hns_roce_cmq_desc desc; struct hns_roce_cmq_req *req = (struct hns_roce_cmq_req *)desc.data; + u32 clock_cycles_of_1us; hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_GLOBAL_PARAM, false); - hr_reg_write(req, CFG_GLOBAL_PARAM_1US_CYCLES, 0x3e8); + if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) + clock_cycles_of_1us = HNS_ROCE_1NS_CFG; + else + clock_cycles_of_1us = HNS_ROCE_1US_CFG; + + hr_reg_write(req, CFG_GLOBAL_PARAM_1US_CYCLES, clock_cycles_of_1us); hr_reg_write(req, CFG_GLOBAL_PARAM_UDP_PORT, ROCE_V2_UDP_DPORT); return hns_roce_cmq_send(hr_dev, &desc, 1); @@ -4802,6 +4808,30 @@ static int hns_roce_v2_set_abs_fields(struct ib_qp *ibqp, return ret; } +static bool check_qp_timeout_cfg_range(struct hns_roce_dev *hr_dev, u8 *timeout) +{ +#define QP_ACK_TIMEOUT_MAX_HIP08 20 +#define QP_ACK_TIMEOUT_OFFSET 10 +#define QP_ACK_TIMEOUT_MAX 31 + + if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) { + if (*timeout > QP_ACK_TIMEOUT_MAX_HIP08) { + ibdev_warn(&hr_dev->ib_dev, + "Local ACK timeout shall be 0 to 20.\n"); + return false; + } + *timeout += QP_ACK_TIMEOUT_OFFSET; + } else if (hr_dev->pci_dev->revision > PCI_REVISION_ID_HIP08) { + if (*timeout > QP_ACK_TIMEOUT_MAX) { + ibdev_warn(&hr_dev->ib_dev, + "Local ACK timeout shall be 0 to 31.\n"); + return false; + } + } + + return true; +} + static int hns_roce_v2_set_opt_fields(struct ib_qp *ibqp, const struct ib_qp_attr *attr, int attr_mask, @@ -4811,6 +4841,7 @@ static int hns_roce_v2_set_opt_fields(struct ib_qp *ibqp, struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); int ret = 0; + u8 timeout; if (attr_mask & IB_QP_AV) { ret = hns_roce_v2_set_path(ibqp, attr, attr_mask, context, @@ -4820,12 +4851,10 @@ static int hns_roce_v2_set_opt_fields(struct ib_qp *ibqp, } if (attr_mask & IB_QP_TIMEOUT) { - if (attr->timeout < 31) { - hr_reg_write(context, QPC_AT, attr->timeout); + timeout = attr->timeout; + if (check_qp_timeout_cfg_range(hr_dev, &timeout)) { + hr_reg_write(context, QPC_AT, timeout); hr_reg_clear(qpc_mask, QPC_AT); - } else { - ibdev_warn(&hr_dev->ib_dev, - "Local ACK timeout shall be 0 to 30.\n"); } } @@ -4882,7 +4911,9 @@ static int hns_roce_v2_set_opt_fields(struct ib_qp *ibqp, set_access_flags(hr_qp, context, qpc_mask, attr, attr_mask); if (attr_mask & IB_QP_MIN_RNR_TIMER) { - hr_reg_write(context, QPC_MIN_RNR_TIME, attr->min_rnr_timer); + hr_reg_write(context, QPC_MIN_RNR_TIME, + hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08 ? + HNS_ROCE_RNR_TIMER_10NS : attr->min_rnr_timer); hr_reg_clear(qpc_mask, QPC_MIN_RNR_TIME); } @@ -5499,6 +5530,16 @@ static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period) hr_reg_write(cq_context, CQC_CQ_MAX_CNT, cq_count); hr_reg_clear(cqc_mask, CQC_CQ_MAX_CNT); + + if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) { + if (cq_period * HNS_ROCE_CLOCK_ADJUST > USHRT_MAX) { + dev_info(hr_dev->dev, + "cq_period(%u) reached the upper limit, adjusted to 65.\n", + cq_period); + cq_period = HNS_ROCE_MAX_CQ_PERIOD; + } + cq_period *= HNS_ROCE_CLOCK_ADJUST; + } hr_reg_write(cq_context, CQC_CQ_PERIOD, cq_period); hr_reg_clear(cqc_mask, CQC_CQ_PERIOD); @@ -5894,6 +5935,15 @@ static int config_eqc(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq, hr_reg_write(eqc, EQC_EQ_PROD_INDX, HNS_ROCE_EQ_INIT_PROD_IDX); hr_reg_write(eqc, EQC_EQ_MAX_CNT, eq->eq_max_cnt); + if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) { + if (eq->eq_period * HNS_ROCE_CLOCK_ADJUST > USHRT_MAX) { + dev_info(hr_dev->dev, "eq_period(%u) reached the upper limit, adjusted to 65.\n", + eq->eq_period); + eq->eq_period = HNS_ROCE_MAX_EQ_PERIOD; + } + eq->eq_period *= HNS_ROCE_CLOCK_ADJUST; + } + hr_reg_write(eqc, EQC_EQ_PERIOD, eq->eq_period); hr_reg_write(eqc, EQC_EQE_REPORT_TIMER, HNS_ROCE_EQ_INIT_REPORT_TIMER); hr_reg_write(eqc, EQC_EQE_BA_L, bt_ba >> 3); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 4d904d5e82be..35c61da7ba15 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -1444,6 +1444,14 @@ struct hns_roce_dip { struct list_head node; /* all dips are on a list */ }; +/* only for RNR timeout issue of HIP08 */ +#define HNS_ROCE_CLOCK_ADJUST 1000 +#define HNS_ROCE_MAX_CQ_PERIOD 65 +#define HNS_ROCE_MAX_EQ_PERIOD 65 +#define HNS_ROCE_RNR_TIMER_10NS 1 +#define HNS_ROCE_1US_CFG 999 +#define HNS_ROCE_1NS_CFG 0 + #define HNS_ROCE_AEQ_DEFAULT_BURST_NUM 0x0 #define HNS_ROCE_AEQ_DEFAULT_INTERVAL 0x0 #define HNS_ROCE_CEQ_DEFAULT_BURST_NUM 0x0 diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 6eee9deadd12..e64ef6903fb4 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -259,7 +259,7 @@ static int alloc_srq_wrid(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq) static void free_srq_wrid(struct hns_roce_srq *srq) { - kfree(srq->wrid); + kvfree(srq->wrid); srq->wrid = NULL; } diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c index ac11943a5ddb..bf2f30d67949 100644 --- a/drivers/infiniband/hw/qib/qib_user_sdma.c +++ b/drivers/infiniband/hw/qib/qib_user_sdma.c @@ -941,7 +941,7 @@ static int qib_user_sdma_queue_pkts(const struct qib_devdata *dd, &addrlimit) || addrlimit > type_max(typeof(pkt->addrlimit))) { ret = -EINVAL; - goto free_pbc; + goto free_pkt; } pkt->addrlimit = addrlimit; diff --git a/drivers/input/misc/iqs626a.c b/drivers/input/misc/iqs626a.c index d57e996732cf..23b5dd9552dc 100644 --- a/drivers/input/misc/iqs626a.c +++ b/drivers/input/misc/iqs626a.c @@ -456,9 +456,10 @@ struct iqs626_private { unsigned int suspend_mode; }; -static int iqs626_parse_events(struct iqs626_private *iqs626, - const struct fwnode_handle *ch_node, - enum iqs626_ch_id ch_id) +static noinline_for_stack int +iqs626_parse_events(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) { struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; struct i2c_client *client = iqs626->client; @@ -604,9 +605,10 @@ static int iqs626_parse_events(struct iqs626_private *iqs626, return 0; } -static int iqs626_parse_ati_target(struct iqs626_private *iqs626, - const struct fwnode_handle *ch_node, - enum iqs626_ch_id ch_id) +static noinline_for_stack int +iqs626_parse_ati_target(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) { struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; struct i2c_client *client = iqs626->client; @@ -885,9 +887,10 @@ static int iqs626_parse_trackpad(struct iqs626_private *iqs626, return 0; } -static int iqs626_parse_channel(struct iqs626_private *iqs626, - const struct fwnode_handle *ch_node, - enum iqs626_ch_id ch_id) +static noinline_for_stack int +iqs626_parse_channel(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) { struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; struct i2c_client *client = iqs626->client; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 956d9cd34796..ece97f8c6a3e 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1588,7 +1588,13 @@ static const struct dmi_system_id no_hw_res_dmi_table[] = { */ static int elantech_change_report_id(struct psmouse *psmouse) { - unsigned char param[2] = { 0x10, 0x03 }; + /* + * NOTE: the code is expecting to receive param[] as an array of 3 + * items (see __ps2_command()), even if in this case only 2 are + * actually needed. Make sure the array size is 3 to avoid potential + * stack out-of-bound accesses. + */ + unsigned char param[3] = { 0x10, 0x03 }; if (elantech_write_reg_params(psmouse, 0x7, param) || elantech_read_reg_params(psmouse, 0x7, param) || diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index aedd05541044..148a7c5fd0e2 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -995,6 +995,24 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { { } }; +static const struct dmi_system_id i8042_dmi_probe_defer_table[] __initconst = { + { + /* ASUS ZenBook UX425UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"), + }, + }, + { + /* ASUS ZenBook UM325UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"), + }, + }, + { } +}; + #endif /* CONFIG_X86 */ #ifdef CONFIG_PNP @@ -1315,6 +1333,9 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_kbdreset_table)) i8042_kbdreset = true; + if (dmi_check_system(i8042_dmi_probe_defer_table)) + i8042_probe_defer = true; + /* * A20 was already enabled during early kernel init. But some buggy * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 0b9f1d0a8f8b..3fc0a89cc785 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -45,6 +45,10 @@ static bool i8042_unlock; module_param_named(unlock, i8042_unlock, bool, 0); MODULE_PARM_DESC(unlock, "Ignore keyboard lock."); +static bool i8042_probe_defer; +module_param_named(probe_defer, i8042_probe_defer, bool, 0); +MODULE_PARM_DESC(probe_defer, "Allow deferred probing."); + enum i8042_controller_reset_mode { I8042_RESET_NEVER, I8042_RESET_ALWAYS, @@ -711,7 +715,7 @@ static int i8042_set_mux_mode(bool multiplex, unsigned char *mux_version) * LCS/Telegraphics. */ -static int __init i8042_check_mux(void) +static int i8042_check_mux(void) { unsigned char mux_version; @@ -740,10 +744,10 @@ static int __init i8042_check_mux(void) /* * The following is used to test AUX IRQ delivery. */ -static struct completion i8042_aux_irq_delivered __initdata; -static bool i8042_irq_being_tested __initdata; +static struct completion i8042_aux_irq_delivered; +static bool i8042_irq_being_tested; -static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) +static irqreturn_t i8042_aux_test_irq(int irq, void *dev_id) { unsigned long flags; unsigned char str, data; @@ -770,7 +774,7 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) * verifies success by readinng CTR. Used when testing for presence of AUX * port. */ -static int __init i8042_toggle_aux(bool on) +static int i8042_toggle_aux(bool on) { unsigned char param; int i; @@ -798,7 +802,7 @@ static int __init i8042_toggle_aux(bool on) * the presence of an AUX interface. */ -static int __init i8042_check_aux(void) +static int i8042_check_aux(void) { int retval = -1; bool irq_registered = false; @@ -1005,7 +1009,7 @@ static int i8042_controller_init(void) if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) { pr_err("Can't read CTR while initializing i8042\n"); - return -EIO; + return i8042_probe_defer ? -EPROBE_DEFER : -EIO; } } while (n < 2 || ctr[0] != ctr[1]); @@ -1320,7 +1324,7 @@ static void i8042_shutdown(struct platform_device *dev) i8042_controller_reset(false); } -static int __init i8042_create_kbd_port(void) +static int i8042_create_kbd_port(void) { struct serio *serio; struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO]; @@ -1349,7 +1353,7 @@ static int __init i8042_create_kbd_port(void) return 0; } -static int __init i8042_create_aux_port(int idx) +static int i8042_create_aux_port(int idx) { struct serio *serio; int port_no = idx < 0 ? I8042_AUX_PORT_NO : I8042_MUX_PORT_NO + idx; @@ -1386,13 +1390,13 @@ static int __init i8042_create_aux_port(int idx) return 0; } -static void __init i8042_free_kbd_port(void) +static void i8042_free_kbd_port(void) { kfree(i8042_ports[I8042_KBD_PORT_NO].serio); i8042_ports[I8042_KBD_PORT_NO].serio = NULL; } -static void __init i8042_free_aux_ports(void) +static void i8042_free_aux_ports(void) { int i; @@ -1402,7 +1406,7 @@ static void __init i8042_free_aux_ports(void) } } -static void __init i8042_register_ports(void) +static void i8042_register_ports(void) { int i; @@ -1443,7 +1447,7 @@ static void i8042_free_irqs(void) i8042_aux_irq_registered = i8042_kbd_irq_registered = false; } -static int __init i8042_setup_aux(void) +static int i8042_setup_aux(void) { int (*aux_enable)(void); int error; @@ -1485,7 +1489,7 @@ static int __init i8042_setup_aux(void) return error; } -static int __init i8042_setup_kbd(void) +static int i8042_setup_kbd(void) { int error; @@ -1535,7 +1539,7 @@ static int i8042_kbd_bind_notifier(struct notifier_block *nb, return 0; } -static int __init i8042_probe(struct platform_device *dev) +static int i8042_probe(struct platform_device *dev) { int error; @@ -1600,6 +1604,7 @@ static struct platform_driver i8042_driver = { .pm = &i8042_pm_ops, #endif }, + .probe = i8042_probe, .remove = i8042_remove, .shutdown = i8042_shutdown, }; @@ -1610,7 +1615,6 @@ static struct notifier_block i8042_kbd_bind_notifier_block = { static int __init i8042_init(void) { - struct platform_device *pdev; int err; dbg_init(); @@ -1626,17 +1630,29 @@ static int __init i8042_init(void) /* Set this before creating the dev to allow i8042_command to work right away */ i8042_present = true; - pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0); - if (IS_ERR(pdev)) { - err = PTR_ERR(pdev); + err = platform_driver_register(&i8042_driver); + if (err) goto err_platform_exit; + + i8042_platform_device = platform_device_alloc("i8042", -1); + if (!i8042_platform_device) { + err = -ENOMEM; + goto err_unregister_driver; } + err = platform_device_add(i8042_platform_device); + if (err) + goto err_free_device; + bus_register_notifier(&serio_bus, &i8042_kbd_bind_notifier_block); panic_blink = i8042_panic_blink; return 0; +err_free_device: + platform_device_put(i8042_platform_device); +err_unregister_driver: + platform_driver_unregister(&i8042_driver); err_platform_exit: i8042_platform_exit(); return err; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 05de92c0293b..eb66cd2689b7 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1882,7 +1882,7 @@ static int mxt_read_info_block(struct mxt_data *data) if (error) { dev_err(&client->dev, "Error %d parsing object table\n", error); mxt_free_object_table(data); - goto err_free_mem; + return error; } data->object_table = (struct mxt_object *)(id_buf + MXT_OBJECT_START); diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index 7e13a66a8a95..879a4d984c90 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -117,6 +117,19 @@ #define ELAN_POWERON_DELAY_USEC 500 #define ELAN_RESET_DELAY_MSEC 20 +/* FW boot code version */ +#define BC_VER_H_BYTE_FOR_EKTH3900x1_I2C 0x72 +#define BC_VER_H_BYTE_FOR_EKTH3900x2_I2C 0x82 +#define BC_VER_H_BYTE_FOR_EKTH3900x3_I2C 0x92 +#define BC_VER_H_BYTE_FOR_EKTH5312x1_I2C 0x6D +#define BC_VER_H_BYTE_FOR_EKTH5312x2_I2C 0x6E +#define BC_VER_H_BYTE_FOR_EKTH5312cx1_I2C 0x77 +#define BC_VER_H_BYTE_FOR_EKTH5312cx2_I2C 0x78 +#define BC_VER_H_BYTE_FOR_EKTH5312x1_I2C_USB 0x67 +#define BC_VER_H_BYTE_FOR_EKTH5312x2_I2C_USB 0x68 +#define BC_VER_H_BYTE_FOR_EKTH5312cx1_I2C_USB 0x74 +#define BC_VER_H_BYTE_FOR_EKTH5312cx2_I2C_USB 0x75 + enum elants_chip_id { EKTH3500, EKTF3624, @@ -736,6 +749,37 @@ static int elants_i2c_validate_remark_id(struct elants_data *ts, return 0; } +static bool elants_i2c_should_check_remark_id(struct elants_data *ts) +{ + struct i2c_client *client = ts->client; + const u8 bootcode_version = ts->iap_version; + bool check; + + /* I2C eKTH3900 and eKTH5312 are NOT support Remark ID */ + if ((bootcode_version == BC_VER_H_BYTE_FOR_EKTH3900x1_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH3900x2_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH3900x3_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312x1_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312x2_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312cx1_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312cx2_I2C) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312x1_I2C_USB) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312x2_I2C_USB) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312cx1_I2C_USB) || + (bootcode_version == BC_VER_H_BYTE_FOR_EKTH5312cx2_I2C_USB)) { + dev_dbg(&client->dev, + "eKTH3900/eKTH5312(0x%02x) are not support remark id\n", + bootcode_version); + check = false; + } else if (bootcode_version >= 0x60) { + check = true; + } else { + check = false; + } + + return check; +} + static int elants_i2c_do_update_firmware(struct i2c_client *client, const struct firmware *fw, bool force) @@ -749,7 +793,7 @@ static int elants_i2c_do_update_firmware(struct i2c_client *client, u16 send_id; int page, n_fw_pages; int error; - bool check_remark_id = ts->iap_version >= 0x60; + bool check_remark_id = elants_i2c_should_check_remark_id(ts); /* Recovery mode detection! */ if (force) { diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index b5cc91788195..aaa3c455e01e 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -102,6 +102,7 @@ static const struct goodix_chip_id goodix_chip_ids[] = { { .id = "911", .data = >911_chip_data }, { .id = "9271", .data = >911_chip_data }, { .id = "9110", .data = >911_chip_data }, + { .id = "9111", .data = >911_chip_data }, { .id = "927", .data = >911_chip_data }, { .id = "928", .data = >911_chip_data }, @@ -650,10 +651,16 @@ int goodix_reset_no_int_sync(struct goodix_ts_data *ts) usleep_range(6000, 10000); /* T4: > 5ms */ - /* end select I2C slave addr */ - error = gpiod_direction_input(ts->gpiod_rst); - if (error) - goto error; + /* + * Put the reset pin back in to input / high-impedance mode to save + * power. Only do this in the non ACPI case since some ACPI boards + * don't have a pull-up, so there the reset pin must stay active-high. + */ + if (ts->irq_pin_access_method == IRQ_PIN_ACCESS_GPIO) { + error = gpiod_direction_input(ts->gpiod_rst); + if (error) + goto error; + } return 0; @@ -787,6 +794,14 @@ static int goodix_add_acpi_gpio_mappings(struct goodix_ts_data *ts) return -EINVAL; } + /* + * Normally we put the reset pin in input / high-impedance mode to save + * power. But some x86/ACPI boards don't have a pull-up, so for the ACPI + * case, leave the pin as is. This results in the pin not being touched + * at all on x86/ACPI boards, except when needed for error-recover. + */ + ts->gpiod_rst_flags = GPIOD_ASIS; + return devm_acpi_dev_add_driver_gpios(dev, gpio_mapping); } #else @@ -812,6 +827,12 @@ static int goodix_get_gpio_config(struct goodix_ts_data *ts) return -EINVAL; dev = &ts->client->dev; + /* + * By default we request the reset pin as input, leaving it in + * high-impedance when not resetting the controller to save power. + */ + ts->gpiod_rst_flags = GPIOD_IN; + ts->avdd28 = devm_regulator_get(dev, "AVDD28"); if (IS_ERR(ts->avdd28)) { error = PTR_ERR(ts->avdd28); @@ -849,7 +870,7 @@ retry_get_irq_gpio: ts->gpiod_int = gpiod; /* Get the reset line GPIO pin number */ - gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, GPIOD_IN); + gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, ts->gpiod_rst_flags); if (IS_ERR(gpiod)) { error = PTR_ERR(gpiod); if (error != -EPROBE_DEFER) diff --git a/drivers/input/touchscreen/goodix.h b/drivers/input/touchscreen/goodix.h index 62138f930d1a..02065d1c3263 100644 --- a/drivers/input/touchscreen/goodix.h +++ b/drivers/input/touchscreen/goodix.h @@ -87,6 +87,7 @@ struct goodix_ts_data { struct gpio_desc *gpiod_rst; int gpio_count; int gpio_int_idx; + enum gpiod_flags gpiod_rst_flags; char id[GOODIX_ID_MAX_LEN + 1]; char cfg_name[64]; u16 version; diff --git a/drivers/input/touchscreen/goodix_fwupload.c b/drivers/input/touchscreen/goodix_fwupload.c index c1e7a2413078..191d4f38d991 100644 --- a/drivers/input/touchscreen/goodix_fwupload.c +++ b/drivers/input/touchscreen/goodix_fwupload.c @@ -207,7 +207,7 @@ static int goodix_firmware_upload(struct goodix_ts_data *ts) error = goodix_reset_no_int_sync(ts); if (error) - return error; + goto release; error = goodix_enter_upload_mode(ts->client); if (error) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 86b9e355c583..140f35dc0c45 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1139,6 +1139,7 @@ static void cancel_writeback_rate_update_dwork(struct cached_dev *dc) static void cached_dev_detach_finish(struct work_struct *w) { struct cached_dev *dc = container_of(w, struct cached_dev, detach); + struct cache_set *c = dc->disk.c; BUG_ON(!test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags)); BUG_ON(refcount_read(&dc->count)); @@ -1156,7 +1157,7 @@ static void cached_dev_detach_finish(struct work_struct *w) bcache_device_detach(&dc->disk); list_move(&dc->list, &uncached_devices); - calc_cached_dev_sectors(dc->disk.c); + calc_cached_dev_sectors(c); clear_bit(BCACHE_DEV_DETACHING, &dc->disk.flags); clear_bit(BCACHE_DEV_UNLINK_DONE, &dc->disk.flags); diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 6319deccbe09..7af242de3202 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1963,7 +1963,7 @@ static bool __journal_read_write(struct dm_integrity_io *dio, struct bio *bio, n_sectors -= bv.bv_len >> SECTOR_SHIFT; bio_advance_iter(bio, &bio->bi_iter, bv.bv_len); retry_kmap: - mem = bvec_kmap_local(&bv); + mem = kmap_local_page(bv.bv_page); if (likely(dio->op == REQ_OP_WRITE)) flush_dcache_page(bv.bv_page); diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index 70532335c7c7..cb670f16e98e 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -423,9 +423,9 @@ static int rebalance_children(struct shadow_spine *s, memcpy(n, dm_block_data(child), dm_bm_block_size(dm_tm_get_bm(info->tm))); - dm_tm_unlock(info->tm, child); dm_tm_dec(info->tm, dm_block_location(child)); + dm_tm_unlock(info->tm, child); return 0; } diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 240c5af793dc..368f10405e13 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2264,7 +2264,7 @@ void mmc_start_host(struct mmc_host *host) _mmc_detect_change(host, 0, false); } -void mmc_stop_host(struct mmc_host *host) +void __mmc_stop_host(struct mmc_host *host) { if (host->slot.cd_irq >= 0) { mmc_gpio_set_cd_wake(host, false); @@ -2273,6 +2273,11 @@ void mmc_stop_host(struct mmc_host *host) host->rescan_disable = 1; cancel_delayed_work_sync(&host->detect); +} + +void mmc_stop_host(struct mmc_host *host) +{ + __mmc_stop_host(host); /* clear pm flags now and let card drivers set them as needed */ host->pm_flags = 0; diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 7931a4f0137d..f5f3f623ea49 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -70,6 +70,7 @@ static inline void mmc_delay(unsigned int ms) void mmc_rescan(struct work_struct *work); void mmc_start_host(struct mmc_host *host); +void __mmc_stop_host(struct mmc_host *host); void mmc_stop_host(struct mmc_host *host); void _mmc_detect_change(struct mmc_host *host, unsigned long delay, diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index d4683b1d263f..cf140f4ec864 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -80,9 +80,18 @@ static void mmc_host_classdev_release(struct device *dev) kfree(host); } +static int mmc_host_classdev_shutdown(struct device *dev) +{ + struct mmc_host *host = cls_dev_to_mmc_host(dev); + + __mmc_stop_host(host); + return 0; +} + static struct class mmc_host_class = { .name = "mmc_host", .dev_release = mmc_host_classdev_release, + .shutdown_pre = mmc_host_classdev_shutdown, .pm = MMC_HOST_CLASS_DEV_PM_OPS, }; diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c index 7cd9c0ec2fcf..8fdd0bbbfa21 100644 --- a/drivers/mmc/host/meson-mx-sdhc-mmc.c +++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c @@ -135,6 +135,7 @@ static void meson_mx_sdhc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd) { struct meson_mx_sdhc_host *host = mmc_priv(mmc); + bool manual_stop = false; u32 ictl, send; int pack_len; @@ -172,12 +173,27 @@ static void meson_mx_sdhc_start_cmd(struct mmc_host *mmc, else /* software flush: */ ictl |= MESON_SDHC_ICTL_DATA_XFER_OK; + + /* + * Mimic the logic from the vendor driver where (only) + * SD_IO_RW_EXTENDED commands with more than one block set the + * MESON_SDHC_MISC_MANUAL_STOP bit. This fixes the firmware + * download in the brcmfmac driver for a BCM43362/1 card. + * Without this sdio_memcpy_toio() (with a size of 219557 + * bytes) times out if MESON_SDHC_MISC_MANUAL_STOP is not set. + */ + manual_stop = cmd->data->blocks > 1 && + cmd->opcode == SD_IO_RW_EXTENDED; } else { pack_len = 0; ictl |= MESON_SDHC_ICTL_RESP_OK; } + regmap_update_bits(host->regmap, MESON_SDHC_MISC, + MESON_SDHC_MISC_MANUAL_STOP, + manual_stop ? MESON_SDHC_MISC_MANUAL_STOP : 0); + if (cmd->opcode == MMC_STOP_TRANSMISSION) send |= MESON_SDHC_SEND_DATA_STOP; diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c index fdaa11f92fe6..a75d3dd34d18 100644 --- a/drivers/mmc/host/mmci_stm32_sdmmc.c +++ b/drivers/mmc/host/mmci_stm32_sdmmc.c @@ -441,6 +441,8 @@ static int sdmmc_dlyb_phase_tuning(struct mmci_host *host, u32 opcode) return -EINVAL; } + writel_relaxed(0, dlyb->base + DLYB_CR); + phase = end_of_len - max_len / 2; sdmmc_dlyb_set_cfgr(dlyb, dlyb->unit, phase, false); diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index f1ef0d28b0dd..c0350e9c03f3 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -31,10 +31,8 @@ #include <linux/mmc/slot-gpio.h> #ifdef CONFIG_X86 -#include <asm/cpu_device_id.h> -#include <asm/intel-family.h> +#include <linux/platform_data/x86/soc.h> #include <asm/iosf_mbi.h> -#include <linux/pci.h> #endif #include "sdhci.h" @@ -240,26 +238,6 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = { #ifdef CONFIG_X86 -static bool sdhci_acpi_byt(void) -{ - static const struct x86_cpu_id byt[] = { - X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT, NULL), - {} - }; - - return x86_match_cpu(byt); -} - -static bool sdhci_acpi_cht(void) -{ - static const struct x86_cpu_id cht[] = { - X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT, NULL), - {} - }; - - return x86_match_cpu(cht); -} - #define BYT_IOSF_SCCEP 0x63 #define BYT_IOSF_OCP_NETCTRL0 0x1078 #define BYT_IOSF_OCP_TIMEOUT_BASE GENMASK(10, 8) @@ -268,7 +246,7 @@ static void sdhci_acpi_byt_setting(struct device *dev) { u32 val = 0; - if (!sdhci_acpi_byt()) + if (!soc_intel_is_byt()) return; if (iosf_mbi_read(BYT_IOSF_SCCEP, MBI_CR_READ, BYT_IOSF_OCP_NETCTRL0, @@ -293,7 +271,7 @@ static void sdhci_acpi_byt_setting(struct device *dev) static bool sdhci_acpi_byt_defer(struct device *dev) { - if (!sdhci_acpi_byt()) + if (!soc_intel_is_byt()) return false; if (!iosf_mbi_available()) @@ -304,43 +282,6 @@ static bool sdhci_acpi_byt_defer(struct device *dev) return false; } -static bool sdhci_acpi_cht_pci_wifi(unsigned int vendor, unsigned int device, - unsigned int slot, unsigned int parent_slot) -{ - struct pci_dev *dev, *parent, *from = NULL; - - while (1) { - dev = pci_get_device(vendor, device, from); - pci_dev_put(from); - if (!dev) - break; - parent = pci_upstream_bridge(dev); - if (ACPI_COMPANION(&dev->dev) && PCI_SLOT(dev->devfn) == slot && - parent && PCI_SLOT(parent->devfn) == parent_slot && - !pci_upstream_bridge(parent)) { - pci_dev_put(dev); - return true; - } - from = dev; - } - - return false; -} - -/* - * GPDwin uses PCI wifi which conflicts with SDIO's use of - * acpi_device_fix_up_power() on child device nodes. Identifying GPDwin is - * problematic, but since SDIO is only used for wifi, the presence of the PCI - * wifi card in the expected slot with an ACPI companion node, is used to - * indicate that acpi_device_fix_up_power() should be avoided. - */ -static inline bool sdhci_acpi_no_fixup_child_power(struct acpi_device *adev) -{ - return sdhci_acpi_cht() && - acpi_dev_hid_uid_match(adev, "80860F14", "2") && - sdhci_acpi_cht_pci_wifi(0x14e4, 0x43ec, 0, 28); -} - #else static inline void sdhci_acpi_byt_setting(struct device *dev) @@ -352,11 +293,6 @@ static inline bool sdhci_acpi_byt_defer(struct device *dev) return false; } -static inline bool sdhci_acpi_no_fixup_child_power(struct acpi_device *adev) -{ - return false; -} - #endif static int bxt_get_cd(struct mmc_host *mmc) @@ -861,11 +797,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev) /* Power on the SDHCI controller and its children */ acpi_device_fix_up_power(device); - if (!sdhci_acpi_no_fixup_child_power(device)) { - list_for_each_entry(child, &device->children, node) - if (child->status.present && child->status.enabled) - acpi_device_fix_up_power(child); - } + list_for_each_entry(child, &device->children, node) + if (child->status.present && child->status.enabled) + acpi_device_fix_up_power(child); if (sdhci_acpi_byt_defer(dev)) return -EPROBE_DEFER; diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index a5001875876b..9762ffab2e23 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -356,23 +356,6 @@ static void tegra_sdhci_set_tap(struct sdhci_host *host, unsigned int tap) } } -static void tegra_sdhci_hs400_enhanced_strobe(struct mmc_host *mmc, - struct mmc_ios *ios) -{ - struct sdhci_host *host = mmc_priv(mmc); - u32 val; - - val = sdhci_readl(host, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); - - if (ios->enhanced_strobe) - val |= SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; - else - val &= ~SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; - - sdhci_writel(host, val, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); - -} - static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -793,6 +776,32 @@ static void tegra_sdhci_set_clock(struct sdhci_host *host, unsigned int clock) } } +static void tegra_sdhci_hs400_enhanced_strobe(struct mmc_host *mmc, + struct mmc_ios *ios) +{ + struct sdhci_host *host = mmc_priv(mmc); + u32 val; + + val = sdhci_readl(host, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); + + if (ios->enhanced_strobe) { + val |= SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; + /* + * When CMD13 is sent from mmc_select_hs400es() after + * switching to HS400ES mode, the bus is operating at + * either MMC_HIGH_26_MAX_DTR or MMC_HIGH_52_MAX_DTR. + * To meet Tegra SDHCI requirement at HS400ES mode, force SDHCI + * interface clock to MMC_HS200_MAX_DTR (200 MHz) so that host + * controller CAR clock and the interface clock are rate matched. + */ + tegra_sdhci_set_clock(host, MMC_HS200_MAX_DTR); + } else { + val &= ~SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; + } + + sdhci_writel(host, val, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); +} + static unsigned int tegra_sdhci_get_max_clock(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index a8fde3bc458f..b93337b5a721 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -1526,7 +1526,7 @@ static int bond_option_ad_actor_system_set(struct bonding *bond, mac = (u8 *)&newval->value; } - if (!is_valid_ether_addr(mac)) + if (is_multicast_ether_addr(mac)) goto err; netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac); diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 14f87f6ac479..cd8462d1e27c 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -768,6 +768,10 @@ static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, if ((!mv88e6xxx_port_ppu_updates(chip, port) || mode == MLO_AN_FIXED) && ops->port_sync_link) err = ops->port_sync_link(chip, port, mode, false); + + if (!err && ops->port_set_speed_duplex) + err = ops->port_set_speed_duplex(chip, port, SPEED_UNFORCED, + DUPLEX_UNFORCED); mv88e6xxx_reg_unlock(chip); if (err) diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index d9817b20ea64..ab41619a809b 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -283,7 +283,7 @@ static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip, if (err) return err; - if (speed) + if (speed != SPEED_UNFORCED) dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed); else dev_dbg(chip->dev, "p%d: Speed unforced\n", port); @@ -516,7 +516,7 @@ int mv88e6393x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port, if (err) return err; - if (speed) + if (speed != SPEED_UNFORCED) dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed); else dev_dbg(chip->dev, "p%d: Speed unforced\n", port); diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 40933bf5a710..60dde29974bf 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1309,11 +1309,11 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, struct bcm_sysport_priv *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; struct bcm_sysport_tx_ring *ring; + unsigned long flags, desc_flags; struct bcm_sysport_cb *cb; struct netdev_queue *txq; u32 len_status, addr_lo; unsigned int skb_len; - unsigned long flags; dma_addr_t mapping; u16 queue; int ret; @@ -1373,8 +1373,10 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, ring->desc_count--; /* Ports are latched, so write upper address first */ + spin_lock_irqsave(&priv->desc_lock, desc_flags); tdma_writel(priv, len_status, TDMA_WRITE_PORT_HI(ring->index)); tdma_writel(priv, addr_lo, TDMA_WRITE_PORT_LO(ring->index)); + spin_unlock_irqrestore(&priv->desc_lock, desc_flags); /* Check ring space and update SW control flow */ if (ring->desc_count == 0) @@ -2013,6 +2015,7 @@ static int bcm_sysport_open(struct net_device *dev) } /* Initialize both hardware and software ring */ + spin_lock_init(&priv->desc_lock); for (i = 0; i < dev->num_tx_queues; i++) { ret = bcm_sysport_init_tx_ring(priv, i); if (ret) { diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index 984f76e74b43..16b73bb9acc7 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -711,6 +711,7 @@ struct bcm_sysport_priv { int wol_irq; /* Transmit rings */ + spinlock_t desc_lock; struct bcm_sysport_tx_ring *tx_rings; /* Receive queue */ diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 5f259641437a..c888ddee1fc4 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -589,9 +589,9 @@ static int bcmgenet_mii_pd_init(struct bcmgenet_priv *priv) * Internal or external PHY with MDIO access */ phydev = phy_attach(priv->dev, phy_name, pd->phy_interface); - if (!phydev) { + if (IS_ERR(phydev)) { dev_err(kdev, "failed to register PHY device\n"); - return -ENODEV; + return PTR_ERR(phydev); } } else { /* diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 2085844227fe..e54e70ebdd05 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -388,6 +388,8 @@ struct dpaa2_eth_ch_stats { __u64 bytes_per_cdan; }; +#define DPAA2_ETH_CH_STATS 7 + /* Maximum number of queues associated with a DPNI */ #define DPAA2_ETH_MAX_TCS 8 #define DPAA2_ETH_MAX_RX_QUEUES_PER_TC 16 diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c index adb8ce5306ee..3fdbf87dccb1 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c @@ -278,7 +278,7 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, /* Per-channel stats */ for (k = 0; k < priv->num_channels; k++) { ch_stats = &priv->channel[k]->stats; - for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64) - 1; j++) + for (j = 0; j < DPAA2_ETH_CH_STATS; j++) *((__u64 *)data + i + j) += *((__u64 *)ch_stats + j); } i += j; diff --git a/drivers/net/ethernet/google/gve/gve_adminq.c b/drivers/net/ethernet/google/gve/gve_adminq.c index 83ae56c310d3..326b56b49216 100644 --- a/drivers/net/ethernet/google/gve/gve_adminq.c +++ b/drivers/net/ethernet/google/gve/gve_adminq.c @@ -738,10 +738,7 @@ int gve_adminq_describe_device(struct gve_priv *priv) * is not set to GqiRda, choose the queue format in a priority order: * DqoRda, GqiRda, GqiQpl. Use GqiQpl as default. */ - if (priv->queue_format == GVE_GQI_RDA_FORMAT) { - dev_info(&priv->pdev->dev, - "Driver is running with GQI RDA queue format.\n"); - } else if (dev_op_dqo_rda) { + if (dev_op_dqo_rda) { priv->queue_format = GVE_DQO_RDA_FORMAT; dev_info(&priv->pdev->dev, "Driver is running with DQO RDA queue format.\n"); @@ -753,6 +750,9 @@ int gve_adminq_describe_device(struct gve_priv *priv) "Driver is running with GQI RDA queue format.\n"); supported_features_mask = be32_to_cpu(dev_op_gqi_rda->supported_features_mask); + } else if (priv->queue_format == GVE_GQI_RDA_FORMAT) { + dev_info(&priv->pdev->dev, + "Driver is running with GQI RDA queue format.\n"); } else { priv->queue_format = GVE_GQI_QPL_FORMAT; if (dev_op_gqi_qpl) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 3f7a9a4c59d5..63f5abcc6bf4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -839,6 +839,8 @@ struct hnae3_handle { u8 netdev_flags; struct dentry *hnae3_dbgfs; + /* protects concurrent contention between debugfs commands */ + struct mutex dbgfs_lock; /* Network interface message level enabled bits */ u32 msg_enable; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 081295bff765..c381f8af67f0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -1226,6 +1226,7 @@ static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, if (ret) return ret; + mutex_lock(&handle->dbgfs_lock); save_buf = &hns3_dbg_cmd[index].buf; if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || @@ -1238,15 +1239,15 @@ static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, read_buf = *save_buf; } else { read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); - if (!read_buf) - return -ENOMEM; + if (!read_buf) { + ret = -ENOMEM; + goto out; + } /* save the buffer addr until the last read operation */ *save_buf = read_buf; - } - /* get data ready for the first time to read */ - if (!*ppos) { + /* get data ready for the first time to read */ ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, read_buf, hns3_dbg_cmd[index].buf_len); if (ret) @@ -1255,8 +1256,10 @@ static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, size = simple_read_from_buffer(buffer, count, ppos, read_buf, strlen(read_buf)); - if (size > 0) + if (size > 0) { + mutex_unlock(&handle->dbgfs_lock); return size; + } out: /* free the buffer for the last read operation */ @@ -1265,6 +1268,7 @@ out: *save_buf = NULL; } + mutex_unlock(&handle->dbgfs_lock); return ret; } @@ -1337,6 +1341,8 @@ int hns3_dbg_init(struct hnae3_handle *handle) debugfs_create_dir(hns3_dbg_dentry[i].name, handle->hnae3_dbgfs); + mutex_init(&handle->dbgfs_lock); + for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { if ((hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) || @@ -1363,6 +1369,7 @@ int hns3_dbg_init(struct hnae3_handle *handle) return 0; out: + mutex_destroy(&handle->dbgfs_lock); debugfs_remove_recursive(handle->hnae3_dbgfs); handle->hnae3_dbgfs = NULL; return ret; @@ -1378,6 +1385,7 @@ void hns3_dbg_uninit(struct hnae3_handle *handle) hns3_dbg_cmd[i].buf = NULL; } + mutex_destroy(&handle->dbgfs_lock); debugfs_remove_recursive(handle->hnae3_dbgfs); handle->hnae3_dbgfs = NULL; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index fdc66fae0960..c5ac6ecf36e1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -114,7 +114,8 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, memcpy(&req->msg, send_msg, sizeof(struct hclge_vf_to_pf_msg)); - trace_hclge_vf_mbx_send(hdev, req); + if (test_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state)) + trace_hclge_vf_mbx_send(hdev, req); /* synchronous send */ if (need_resp) { diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index cfdbf8c08d18..4e7c04047f91 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -2046,6 +2046,7 @@ static void iavf_watchdog_task(struct work_struct *work) } adapter->aq_required = 0; adapter->current_op = VIRTCHNL_OP_UNKNOWN; + mutex_unlock(&adapter->crit_lock); queue_delayed_work(iavf_wq, &adapter->watchdog_task, msecs_to_jiffies(10)); @@ -2076,16 +2077,14 @@ static void iavf_watchdog_task(struct work_struct *work) iavf_detect_recover_hung(&adapter->vsi); break; case __IAVF_REMOVE: - mutex_unlock(&adapter->crit_lock); - return; default: + mutex_unlock(&adapter->crit_lock); return; } /* check for hw reset */ reg_val = rd32(hw, IAVF_VF_ARQLEN1) & IAVF_VF_ARQLEN1_ARQENABLE_MASK; if (!reg_val) { - iavf_change_state(adapter, __IAVF_RESETTING); adapter->flags |= IAVF_FLAG_RESET_PENDING; adapter->aq_required = 0; adapter->current_op = VIRTCHNL_OP_UNKNOWN; diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c index 1efc635cc0f5..fafe020e46ee 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -6,6 +6,18 @@ #include "ice_lib.h" #include "ice_dcb_lib.h" +static bool ice_alloc_rx_buf_zc(struct ice_rx_ring *rx_ring) +{ + rx_ring->xdp_buf = kcalloc(rx_ring->count, sizeof(*rx_ring->xdp_buf), GFP_KERNEL); + return !!rx_ring->xdp_buf; +} + +static bool ice_alloc_rx_buf(struct ice_rx_ring *rx_ring) +{ + rx_ring->rx_buf = kcalloc(rx_ring->count, sizeof(*rx_ring->rx_buf), GFP_KERNEL); + return !!rx_ring->rx_buf; +} + /** * __ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI * @qs_cfg: gathered variables needed for PF->VSI queues assignment @@ -492,8 +504,11 @@ int ice_vsi_cfg_rxq(struct ice_rx_ring *ring) xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev, ring->q_index, ring->q_vector->napi.napi_id); + kfree(ring->rx_buf); ring->xsk_pool = ice_xsk_pool(ring); if (ring->xsk_pool) { + if (!ice_alloc_rx_buf_zc(ring)) + return -ENOMEM; xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq); ring->rx_buf_len = @@ -508,6 +523,8 @@ int ice_vsi_cfg_rxq(struct ice_rx_ring *ring) dev_info(dev, "Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n", ring->q_index); } else { + if (!ice_alloc_rx_buf(ring)) + return -ENOMEM; if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) /* coverity[check_return] */ xdp_rxq_info_reg(&ring->xdp_rxq, diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index bf7247c6f58e..442b031b0edc 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -705,7 +705,7 @@ static int ice_ptp_adjfine(struct ptp_clock_info *info, long scaled_ppm) scaled_ppm = -scaled_ppm; } - while ((u64)scaled_ppm > div_u64(U64_MAX, incval)) { + while ((u64)scaled_ppm > div64_u64(U64_MAX, incval)) { /* handle overflow by scaling down the scaled_ppm and * the divisor, losing some precision */ @@ -1540,19 +1540,16 @@ static void ice_ptp_tx_tstamp_work(struct kthread_work *work) if (err) continue; - /* Check if the timestamp is valid */ - if (!(raw_tstamp & ICE_PTP_TS_VALID)) + /* Check if the timestamp is invalid or stale */ + if (!(raw_tstamp & ICE_PTP_TS_VALID) || + raw_tstamp == tx->tstamps[idx].cached_tstamp) continue; - /* clear the timestamp register, so that it won't show valid - * again when re-used. - */ - ice_clear_phy_tstamp(hw, tx->quad, phy_idx); - /* The timestamp is valid, so we'll go ahead and clear this * index and then send the timestamp up to the stack. */ spin_lock(&tx->lock); + tx->tstamps[idx].cached_tstamp = raw_tstamp; clear_bit(idx, tx->in_use); skb = tx->tstamps[idx].skb; tx->tstamps[idx].skb = NULL; diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h index f71ad317d6c8..53c15fc9d996 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp.h @@ -55,15 +55,21 @@ struct ice_perout_channel { * struct ice_tx_tstamp - Tracking for a single Tx timestamp * @skb: pointer to the SKB for this timestamp request * @start: jiffies when the timestamp was first requested + * @cached_tstamp: last read timestamp * * This structure tracks a single timestamp request. The SKB pointer is * provided when initiating a request. The start time is used to ensure that * we discard old requests that were not fulfilled within a 2 second time * window. + * Timestamp values in the PHY are read only and do not get cleared except at + * hardware reset or when a new timestamp value is captured. The cached_tstamp + * field is used to detect the case where a new timestamp has not yet been + * captured, ensuring that we avoid sending stale timestamp data to the stack. */ struct ice_tx_tstamp { struct sk_buff *skb; unsigned long start; + u64 cached_tstamp; }; /** diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index bc3ba19dc88f..dccf09eefc75 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -419,7 +419,10 @@ void ice_clean_rx_ring(struct ice_rx_ring *rx_ring) } rx_skip_free: - memset(rx_ring->rx_buf, 0, sizeof(*rx_ring->rx_buf) * rx_ring->count); + if (rx_ring->xsk_pool) + memset(rx_ring->xdp_buf, 0, array_size(rx_ring->count, sizeof(*rx_ring->xdp_buf))); + else + memset(rx_ring->rx_buf, 0, array_size(rx_ring->count, sizeof(*rx_ring->rx_buf))); /* Zero out the descriptor ring */ size = ALIGN(rx_ring->count * sizeof(union ice_32byte_rx_desc), @@ -446,8 +449,13 @@ void ice_free_rx_ring(struct ice_rx_ring *rx_ring) if (xdp_rxq_info_is_reg(&rx_ring->xdp_rxq)) xdp_rxq_info_unreg(&rx_ring->xdp_rxq); rx_ring->xdp_prog = NULL; - devm_kfree(rx_ring->dev, rx_ring->rx_buf); - rx_ring->rx_buf = NULL; + if (rx_ring->xsk_pool) { + kfree(rx_ring->xdp_buf); + rx_ring->xdp_buf = NULL; + } else { + kfree(rx_ring->rx_buf); + rx_ring->rx_buf = NULL; + } if (rx_ring->desc) { size = ALIGN(rx_ring->count * sizeof(union ice_32byte_rx_desc), @@ -475,8 +483,7 @@ int ice_setup_rx_ring(struct ice_rx_ring *rx_ring) /* warn if we are about to overwrite the pointer */ WARN_ON(rx_ring->rx_buf); rx_ring->rx_buf = - devm_kcalloc(dev, sizeof(*rx_ring->rx_buf), rx_ring->count, - GFP_KERNEL); + kcalloc(rx_ring->count, sizeof(*rx_ring->rx_buf), GFP_KERNEL); if (!rx_ring->rx_buf) return -ENOMEM; @@ -505,7 +512,7 @@ int ice_setup_rx_ring(struct ice_rx_ring *rx_ring) return 0; err: - devm_kfree(dev, rx_ring->rx_buf); + kfree(rx_ring->rx_buf); rx_ring->rx_buf = NULL; return -ENOMEM; } diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h index c56dd1749903..b7b3bd4816f0 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.h +++ b/drivers/net/ethernet/intel/ice/ice_txrx.h @@ -24,7 +24,6 @@ #define ICE_MAX_DATA_PER_TXD_ALIGNED \ (~(ICE_MAX_READ_REQ_SIZE - 1) & ICE_MAX_DATA_PER_TXD) -#define ICE_RX_BUF_WRITE 16 /* Must be power of 2 */ #define ICE_MAX_TXQ_PER_TXQG 128 /* Attempt to maximize the headroom available for incoming frames. We use a 2K diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c index bb9a80847298..c895351b25e0 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.c +++ b/drivers/net/ethernet/intel/ice/ice_xsk.c @@ -12,6 +12,11 @@ #include "ice_txrx_lib.h" #include "ice_lib.h" +static struct xdp_buff **ice_xdp_buf(struct ice_rx_ring *rx_ring, u32 idx) +{ + return &rx_ring->xdp_buf[idx]; +} + /** * ice_qp_reset_stats - Resets all stats for rings of given index * @vsi: VSI that contains rings of interest @@ -372,7 +377,7 @@ bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count) dma_addr_t dma; rx_desc = ICE_RX_DESC(rx_ring, ntu); - xdp = &rx_ring->xdp_buf[ntu]; + xdp = ice_xdp_buf(rx_ring, ntu); nb_buffs = min_t(u16, count, rx_ring->count - ntu); nb_buffs = xsk_buff_alloc_batch(rx_ring->xsk_pool, xdp, nb_buffs); @@ -390,14 +395,9 @@ bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count) } ntu += nb_buffs; - if (ntu == rx_ring->count) { - rx_desc = ICE_RX_DESC(rx_ring, 0); - xdp = rx_ring->xdp_buf; + if (ntu == rx_ring->count) ntu = 0; - } - /* clear the status bits for the next_to_use descriptor */ - rx_desc->wb.status_error0 = 0; ice_release_rx_desc(rx_ring, ntu); return count == nb_buffs; @@ -419,19 +419,18 @@ static void ice_bump_ntc(struct ice_rx_ring *rx_ring) /** * ice_construct_skb_zc - Create an sk_buff from zero-copy buffer * @rx_ring: Rx ring - * @xdp_arr: Pointer to the SW ring of xdp_buff pointers + * @xdp: Pointer to XDP buffer * * This function allocates a new skb from a zero-copy Rx buffer. * * Returns the skb on success, NULL on failure. */ static struct sk_buff * -ice_construct_skb_zc(struct ice_rx_ring *rx_ring, struct xdp_buff **xdp_arr) +ice_construct_skb_zc(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp) { - struct xdp_buff *xdp = *xdp_arr; + unsigned int datasize_hard = xdp->data_end - xdp->data_hard_start; unsigned int metasize = xdp->data - xdp->data_meta; unsigned int datasize = xdp->data_end - xdp->data; - unsigned int datasize_hard = xdp->data_end - xdp->data_hard_start; struct sk_buff *skb; skb = __napi_alloc_skb(&rx_ring->q_vector->napi, datasize_hard, @@ -445,7 +444,6 @@ ice_construct_skb_zc(struct ice_rx_ring *rx_ring, struct xdp_buff **xdp_arr) skb_metadata_set(skb, metasize); xsk_buff_free(xdp); - *xdp_arr = NULL; return skb; } @@ -507,7 +505,6 @@ out_failure: int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) { unsigned int total_rx_bytes = 0, total_rx_packets = 0; - u16 cleaned_count = ICE_DESC_UNUSED(rx_ring); struct ice_tx_ring *xdp_ring; unsigned int xdp_xmit = 0; struct bpf_prog *xdp_prog; @@ -522,7 +519,7 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) while (likely(total_rx_packets < (unsigned int)budget)) { union ice_32b_rx_flex_desc *rx_desc; unsigned int size, xdp_res = 0; - struct xdp_buff **xdp; + struct xdp_buff *xdp; struct sk_buff *skb; u16 stat_err_bits; u16 vlan_tag = 0; @@ -540,31 +537,35 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) */ dma_rmb(); + xdp = *ice_xdp_buf(rx_ring, rx_ring->next_to_clean); + size = le16_to_cpu(rx_desc->wb.pkt_len) & ICE_RX_FLX_DESC_PKT_LEN_M; - if (!size) - break; + if (!size) { + xdp->data = NULL; + xdp->data_end = NULL; + xdp->data_hard_start = NULL; + xdp->data_meta = NULL; + goto construct_skb; + } - xdp = &rx_ring->xdp_buf[rx_ring->next_to_clean]; - xsk_buff_set_size(*xdp, size); - xsk_buff_dma_sync_for_cpu(*xdp, rx_ring->xsk_pool); + xsk_buff_set_size(xdp, size); + xsk_buff_dma_sync_for_cpu(xdp, rx_ring->xsk_pool); - xdp_res = ice_run_xdp_zc(rx_ring, *xdp, xdp_prog, xdp_ring); + xdp_res = ice_run_xdp_zc(rx_ring, xdp, xdp_prog, xdp_ring); if (xdp_res) { if (xdp_res & (ICE_XDP_TX | ICE_XDP_REDIR)) xdp_xmit |= xdp_res; else - xsk_buff_free(*xdp); + xsk_buff_free(xdp); - *xdp = NULL; total_rx_bytes += size; total_rx_packets++; - cleaned_count++; ice_bump_ntc(rx_ring); continue; } - +construct_skb: /* XDP_PASS path */ skb = ice_construct_skb_zc(rx_ring, xdp); if (!skb) { @@ -572,7 +573,6 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) break; } - cleaned_count++; ice_bump_ntc(rx_ring); if (eth_skb_pad(skb)) { @@ -594,8 +594,7 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) ice_receive_skb(rx_ring, skb, vlan_tag); } - if (cleaned_count >= ICE_RX_BUF_WRITE) - failure = !ice_alloc_rx_bufs_zc(rx_ring, cleaned_count); + failure = !ice_alloc_rx_bufs_zc(rx_ring, ICE_DESC_UNUSED(rx_ring)); ice_finalize_xdp_rx(xdp_ring, xdp_xmit); ice_update_rx_ring_stats(rx_ring, total_rx_packets, total_rx_bytes); @@ -811,15 +810,14 @@ bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi) */ void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { - u16 i; - - for (i = 0; i < rx_ring->count; i++) { - struct xdp_buff **xdp = &rx_ring->xdp_buf[i]; + u16 count_mask = rx_ring->count - 1; + u16 ntc = rx_ring->next_to_clean; + u16 ntu = rx_ring->next_to_use; - if (!xdp) - continue; + for ( ; ntc != ntu; ntc = (ntc + 1) & count_mask) { + struct xdp_buff *xdp = *ice_xdp_buf(rx_ring, ntc); - *xdp = NULL; + xsk_buff_free(xdp); } } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index fd54d3ef890b..446894dde182 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7648,6 +7648,20 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf, struct vf_mac_filter *entry = NULL; int ret = 0; + if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) && + !vf_data->trusted) { + dev_warn(&pdev->dev, + "VF %d requested MAC filter but is administratively denied\n", + vf); + return -EINVAL; + } + if (!is_valid_ether_addr(addr)) { + dev_warn(&pdev->dev, + "VF %d attempted to set invalid MAC filter\n", + vf); + return -EINVAL; + } + switch (info) { case E1000_VF_MAC_FILTER_CLR: /* remove all unicast MAC filters related to the current VF */ @@ -7661,20 +7675,6 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf, } break; case E1000_VF_MAC_FILTER_ADD: - if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) && - !vf_data->trusted) { - dev_warn(&pdev->dev, - "VF %d requested MAC filter but is administratively denied\n", - vf); - return -EINVAL; - } - if (!is_valid_ether_addr(addr)) { - dev_warn(&pdev->dev, - "VF %d attempted to set invalid MAC filter\n", - vf); - return -EINVAL; - } - /* try to find empty slot in the list */ list_for_each(pos, &adapter->vf_macs.l) { entry = list_entry(pos, struct vf_mac_filter, l); @@ -9254,7 +9254,7 @@ static int __maybe_unused igb_suspend(struct device *dev) return __igb_shutdown(to_pci_dev(dev), NULL, 0); } -static int __maybe_unused igb_resume(struct device *dev) +static int __maybe_unused __igb_resume(struct device *dev, bool rpm) { struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); @@ -9297,17 +9297,24 @@ static int __maybe_unused igb_resume(struct device *dev) wr32(E1000_WUS, ~0); - rtnl_lock(); + if (!rpm) + rtnl_lock(); if (!err && netif_running(netdev)) err = __igb_open(netdev, true); if (!err) netif_device_attach(netdev); - rtnl_unlock(); + if (!rpm) + rtnl_unlock(); return err; } +static int __maybe_unused igb_resume(struct device *dev) +{ + return __igb_resume(dev, false); +} + static int __maybe_unused igb_runtime_idle(struct device *dev) { struct net_device *netdev = dev_get_drvdata(dev); @@ -9326,7 +9333,7 @@ static int __maybe_unused igb_runtime_suspend(struct device *dev) static int __maybe_unused igb_runtime_resume(struct device *dev) { - return igb_resume(dev); + return __igb_resume(dev, true); } static void igb_shutdown(struct pci_dev *pdev) @@ -9442,7 +9449,7 @@ static pci_ers_result_t igb_io_error_detected(struct pci_dev *pdev, * @pdev: Pointer to PCI device * * Restart the card from scratch, as if from a cold-boot. Implementation - * resembles the first-half of the igb_resume routine. + * resembles the first-half of the __igb_resume routine. **/ static pci_ers_result_t igb_io_slot_reset(struct pci_dev *pdev) { @@ -9482,7 +9489,7 @@ static pci_ers_result_t igb_io_slot_reset(struct pci_dev *pdev) * * This callback is called when the error recovery driver tells us that * its OK to resume normal operation. Implementation resembles the - * second-half of the igb_resume routine. + * second-half of the __igb_resume routine. */ static void igb_io_resume(struct pci_dev *pdev) { diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 74ccd622251a..4d988da68394 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -2859,6 +2859,7 @@ static int igbvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; err_hw_init: + netif_napi_del(&adapter->rx_ring->napi); kfree(adapter->tx_ring); kfree(adapter->rx_ring); err_sw_init: diff --git a/drivers/net/ethernet/intel/igc/igc_i225.c b/drivers/net/ethernet/intel/igc/igc_i225.c index b2ef9fde97b3..b6807e16eea9 100644 --- a/drivers/net/ethernet/intel/igc/igc_i225.c +++ b/drivers/net/ethernet/intel/igc/igc_i225.c @@ -636,7 +636,7 @@ s32 igc_set_ltr_i225(struct igc_hw *hw, bool link) ltrv = rd32(IGC_LTRMAXV); if (ltr_max != (ltrv & IGC_LTRMAXV_LTRV_MASK)) { ltrv = IGC_LTRMAXV_LSNP_REQ | ltr_max | - (scale_min << IGC_LTRMAXV_SCALE_SHIFT); + (scale_max << IGC_LTRMAXV_SCALE_SHIFT); wr32(IGC_LTRMAXV, ltrv); } } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 0f9f022260d7..45e2ec4d264d 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5531,6 +5531,10 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw) if (!speed && hw->mac.ops.get_link_capabilities) { ret = hw->mac.ops.get_link_capabilities(hw, &speed, &autoneg); + /* remove NBASE-T speeds from default autonegotiation + * to accommodate broken network switches in the field + * which cannot cope with advertised NBASE-T speeds + */ speed &= ~(IXGBE_LINK_SPEED_5GB_FULL | IXGBE_LINK_SPEED_2_5GB_FULL); } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 9724ffb16518..e4b50c7781ff 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -3405,6 +3405,9 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) /* flush pending Tx transactions */ ixgbe_clear_tx_pending(hw); + /* set MDIO speed before talking to the PHY in case it's the 1st time */ + ixgbe_set_mdio_speed(hw); + /* PHY ops must be identified and initialized prior to reset */ status = hw->phy.ops.init(hw); if (status == IXGBE_ERR_SFP_NOT_SUPPORTED || diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c index 0da09ea81980..96bd6f2b21ed 100644 --- a/drivers/net/ethernet/lantiq_xrx200.c +++ b/drivers/net/ethernet/lantiq_xrx200.c @@ -71,6 +71,8 @@ struct xrx200_priv { struct xrx200_chan chan_tx; struct xrx200_chan chan_rx; + u16 rx_buf_size; + struct net_device *net_dev; struct device *dev; @@ -97,6 +99,16 @@ static void xrx200_pmac_mask(struct xrx200_priv *priv, u32 clear, u32 set, xrx200_pmac_w32(priv, val, offset); } +static int xrx200_max_frame_len(int mtu) +{ + return VLAN_ETH_HLEN + mtu; +} + +static int xrx200_buffer_size(int mtu) +{ + return round_up(xrx200_max_frame_len(mtu), 4 * XRX200_DMA_BURST_LEN); +} + /* drop all the packets from the DMA ring */ static void xrx200_flush_dma(struct xrx200_chan *ch) { @@ -109,8 +121,7 @@ static void xrx200_flush_dma(struct xrx200_chan *ch) break; desc->ctl = LTQ_DMA_OWN | LTQ_DMA_RX_OFFSET(NET_IP_ALIGN) | - (ch->priv->net_dev->mtu + VLAN_ETH_HLEN + - ETH_FCS_LEN); + ch->priv->rx_buf_size; ch->dma.desc++; ch->dma.desc %= LTQ_DESC_NUM; } @@ -158,21 +169,21 @@ static int xrx200_close(struct net_device *net_dev) static int xrx200_alloc_skb(struct xrx200_chan *ch) { - int len = ch->priv->net_dev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; struct sk_buff *skb = ch->skb[ch->dma.desc]; + struct xrx200_priv *priv = ch->priv; dma_addr_t mapping; int ret = 0; - ch->skb[ch->dma.desc] = netdev_alloc_skb_ip_align(ch->priv->net_dev, - len); + ch->skb[ch->dma.desc] = netdev_alloc_skb_ip_align(priv->net_dev, + priv->rx_buf_size); if (!ch->skb[ch->dma.desc]) { ret = -ENOMEM; goto skip; } - mapping = dma_map_single(ch->priv->dev, ch->skb[ch->dma.desc]->data, - len, DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(ch->priv->dev, mapping))) { + mapping = dma_map_single(priv->dev, ch->skb[ch->dma.desc]->data, + priv->rx_buf_size, DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(priv->dev, mapping))) { dev_kfree_skb_any(ch->skb[ch->dma.desc]); ch->skb[ch->dma.desc] = skb; ret = -ENOMEM; @@ -184,7 +195,7 @@ static int xrx200_alloc_skb(struct xrx200_chan *ch) wmb(); skip: ch->dma.desc_base[ch->dma.desc].ctl = - LTQ_DMA_OWN | LTQ_DMA_RX_OFFSET(NET_IP_ALIGN) | len; + LTQ_DMA_OWN | LTQ_DMA_RX_OFFSET(NET_IP_ALIGN) | priv->rx_buf_size; return ret; } @@ -356,6 +367,7 @@ xrx200_change_mtu(struct net_device *net_dev, int new_mtu) int ret = 0; net_dev->mtu = new_mtu; + priv->rx_buf_size = xrx200_buffer_size(new_mtu); if (new_mtu <= old_mtu) return ret; @@ -375,6 +387,7 @@ xrx200_change_mtu(struct net_device *net_dev, int new_mtu) ret = xrx200_alloc_skb(ch_rx); if (ret) { net_dev->mtu = old_mtu; + priv->rx_buf_size = xrx200_buffer_size(old_mtu); break; } dev_kfree_skb_any(skb); @@ -505,7 +518,8 @@ static int xrx200_probe(struct platform_device *pdev) net_dev->netdev_ops = &xrx200_netdev_ops; SET_NETDEV_DEV(net_dev, dev); net_dev->min_mtu = ETH_ZLEN; - net_dev->max_mtu = XRX200_DMA_DATA_LEN - VLAN_ETH_HLEN - ETH_FCS_LEN; + net_dev->max_mtu = XRX200_DMA_DATA_LEN - xrx200_max_frame_len(0); + priv->rx_buf_size = xrx200_buffer_size(ETH_DATA_LEN); /* load the memory ranges */ priv->pmac_reg = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c index 4369a3ffad45..c687dc9aa973 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_main.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c @@ -54,12 +54,14 @@ int prestera_port_pvid_set(struct prestera_port *port, u16 vid) struct prestera_port *prestera_port_find_by_hwid(struct prestera_switch *sw, u32 dev_id, u32 hw_id) { - struct prestera_port *port = NULL; + struct prestera_port *port = NULL, *tmp; read_lock(&sw->port_list_lock); - list_for_each_entry(port, &sw->port_list, list) { - if (port->dev_id == dev_id && port->hw_id == hw_id) + list_for_each_entry(tmp, &sw->port_list, list) { + if (tmp->dev_id == dev_id && tmp->hw_id == hw_id) { + port = tmp; break; + } } read_unlock(&sw->port_list_lock); @@ -68,12 +70,14 @@ struct prestera_port *prestera_port_find_by_hwid(struct prestera_switch *sw, struct prestera_port *prestera_find_port(struct prestera_switch *sw, u32 id) { - struct prestera_port *port = NULL; + struct prestera_port *port = NULL, *tmp; read_lock(&sw->port_list_lock); - list_for_each_entry(port, &sw->port_list, list) { - if (port->id == id) + list_for_each_entry(tmp, &sw->port_list, list) { + if (tmp->id == id) { + port = tmp; break; + } } read_unlock(&sw->port_list_lock); @@ -764,23 +768,27 @@ static int prestera_netdev_port_event(struct net_device *lower, struct net_device *dev, unsigned long event, void *ptr) { - struct netdev_notifier_changeupper_info *info = ptr; + struct netdev_notifier_info *info = ptr; + struct netdev_notifier_changeupper_info *cu_info; struct prestera_port *port = netdev_priv(dev); struct netlink_ext_ack *extack; struct net_device *upper; - extack = netdev_notifier_info_to_extack(&info->info); - upper = info->upper_dev; + extack = netdev_notifier_info_to_extack(info); + cu_info = container_of(info, + struct netdev_notifier_changeupper_info, + info); switch (event) { case NETDEV_PRECHANGEUPPER: + upper = cu_info->upper_dev; if (!netif_is_bridge_master(upper) && !netif_is_lag_master(upper)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; } - if (!info->linking) + if (!cu_info->linking) break; if (netdev_has_any_upper_dev(upper)) { @@ -789,7 +797,7 @@ static int prestera_netdev_port_event(struct net_device *lower, } if (netif_is_lag_master(upper) && - !prestera_lag_master_check(upper, info->upper_info, extack)) + !prestera_lag_master_check(upper, cu_info->upper_info, extack)) return -EOPNOTSUPP; if (netif_is_lag_master(upper) && vlan_uses_dev(dev)) { NL_SET_ERR_MSG_MOD(extack, @@ -805,14 +813,15 @@ static int prestera_netdev_port_event(struct net_device *lower, break; case NETDEV_CHANGEUPPER: + upper = cu_info->upper_dev; if (netif_is_bridge_master(upper)) { - if (info->linking) + if (cu_info->linking) return prestera_bridge_port_join(upper, port, extack); else prestera_bridge_port_leave(upper, port); } else if (netif_is_lag_master(upper)) { - if (info->linking) + if (cu_info->linking) return prestera_lag_port_add(port, upper); else prestera_lag_port_del(port); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 217e3b351dfe..c34833ff1dde 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -8494,7 +8494,8 @@ mlxsw_sp_rif_mac_profile_replace(struct mlxsw_sp *mlxsw_sp, u8 mac_profile; int err; - if (!mlxsw_sp_rif_mac_profile_is_shared(rif)) + if (!mlxsw_sp_rif_mac_profile_is_shared(rif) && + !mlxsw_sp_rif_mac_profile_find(mlxsw_sp, new_mac)) return mlxsw_sp_rif_mac_profile_edit(rif, new_mac); err = mlxsw_sp_rif_mac_profile_get(mlxsw_sp, new_mac, diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c index 2e25798c610e..7f49042484bd 100644 --- a/drivers/net/ethernet/micrel/ks8851_par.c +++ b/drivers/net/ethernet/micrel/ks8851_par.c @@ -321,6 +321,8 @@ static int ks8851_probe_par(struct platform_device *pdev) return ret; netdev->irq = platform_get_irq(pdev, 0); + if (netdev->irq < 0) + return netdev->irq; return ks8851_probe_common(netdev, dev, msg_enable); } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h index 7160b42f51dd..d0111cb3b40e 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h @@ -201,7 +201,7 @@ int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *, struct qlcnic_info *, u16); int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8); void qlcnic_sriov_free_vlans(struct qlcnic_adapter *); -void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *); +int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *); bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *); void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *, struct qlcnic_vf_info *, u16); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index dd03be3fc82a..42a44c97572a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -432,7 +432,7 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { struct qlcnic_sriov *sriov = adapter->ahw->sriov; - int i, num_vlans; + int i, num_vlans, ret; u16 *vlans; if (sriov->allowed_vlans) @@ -443,7 +443,9 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", sriov->num_allowed_vlans); - qlcnic_sriov_alloc_vlans(adapter); + ret = qlcnic_sriov_alloc_vlans(adapter); + if (ret) + return ret; if (!sriov->any_vlan) return 0; @@ -2154,7 +2156,7 @@ static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) return err; } -void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) +int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) { struct qlcnic_sriov *sriov = adapter->ahw->sriov; struct qlcnic_vf_info *vf; @@ -2164,7 +2166,11 @@ void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) vf = &sriov->vf_info[i]; vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, sizeof(*vf->sriov_vlans), GFP_KERNEL); + if (!vf->sriov_vlans) + return -ENOMEM; } + + return 0; } void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 447720b93e5a..e90fa97c0ae6 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -597,7 +597,9 @@ static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, if (err) goto del_flr_queue; - qlcnic_sriov_alloc_vlans(adapter); + err = qlcnic_sriov_alloc_vlans(adapter); + if (err) + goto del_flr_queue; return err; diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c index 6aa81229b68a..e77a5cb4e40d 100644 --- a/drivers/net/ethernet/sfc/ef100_nic.c +++ b/drivers/net/ethernet/sfc/ef100_nic.c @@ -609,6 +609,9 @@ static size_t ef100_update_stats(struct efx_nic *efx, ef100_common_stat_mask(mask); ef100_ethtool_stat_mask(mask); + if (!mc_stats) + return 0; + efx_nic_copy_stats(efx, mc_stats); efx_nic_update_stats(ef100_stat_desc, EF100_STAT_COUNT, mask, stats, mc_stats, false); diff --git a/drivers/net/ethernet/sfc/falcon/rx.c b/drivers/net/ethernet/sfc/falcon/rx.c index 966f13e7475d..11a6aee852e9 100644 --- a/drivers/net/ethernet/sfc/falcon/rx.c +++ b/drivers/net/ethernet/sfc/falcon/rx.c @@ -728,7 +728,10 @@ static void ef4_init_rx_recycle_ring(struct ef4_nic *efx, efx->rx_bufs_per_page); rx_queue->page_ring = kcalloc(page_ring_size, sizeof(*rx_queue->page_ring), GFP_KERNEL); - rx_queue->page_ptr_mask = page_ring_size - 1; + if (!rx_queue->page_ring) + rx_queue->page_ptr_mask = 0; + else + rx_queue->page_ptr_mask = page_ring_size - 1; } void ef4_init_rx_queue(struct ef4_rx_queue *rx_queue) diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c index 68fc7d317693..0983abc0cc5f 100644 --- a/drivers/net/ethernet/sfc/rx_common.c +++ b/drivers/net/ethernet/sfc/rx_common.c @@ -150,7 +150,10 @@ static void efx_init_rx_recycle_ring(struct efx_rx_queue *rx_queue) efx->rx_bufs_per_page); rx_queue->page_ring = kcalloc(page_ring_size, sizeof(*rx_queue->page_ring), GFP_KERNEL); - rx_queue->page_ptr_mask = page_ring_size - 1; + if (!rx_queue->page_ring) + rx_queue->page_ptr_mask = 0; + else + rx_queue->page_ptr_mask = page_ring_size - 1; } static void efx_fini_rx_recycle_ring(struct efx_rx_queue *rx_queue) diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 89381f796985..dd6f69ced4ee 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -2072,6 +2072,11 @@ static int smc911x_drv_probe(struct platform_device *pdev) ndev->dma = (unsigned char)-1; ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) { + ret = ndev->irq; + goto release_both; + } + lp = netdev_priv(ndev); lp->netdev = ndev; #ifdef SMC_DYNAMIC_BUS_CONFIG diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 6924a6aacbd5..c469abc91fa1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -33,6 +33,7 @@ struct rk_gmac_ops { void (*set_rgmii_speed)(struct rk_priv_data *bsp_priv, int speed); void (*set_rmii_speed)(struct rk_priv_data *bsp_priv, int speed); void (*integrated_phy_powerup)(struct rk_priv_data *bsp_priv); + bool regs_valid; u32 regs[]; }; @@ -1092,6 +1093,7 @@ static const struct rk_gmac_ops rk3568_ops = { .set_to_rmii = rk3568_set_to_rmii, .set_rgmii_speed = rk3568_set_gmac_speed, .set_rmii_speed = rk3568_set_gmac_speed, + .regs_valid = true, .regs = { 0xfe2a0000, /* gmac0 */ 0xfe010000, /* gmac1 */ @@ -1383,7 +1385,7 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, * to be distinguished. */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res) { + if (res && ops->regs_valid) { int i = 0; while (ops->regs[i]) { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c index 66fc8be34bb7..e2e0f977875d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c @@ -26,7 +26,7 @@ #define ETHER_CLK_SEL_FREQ_SEL_125M (BIT(9) | BIT(8)) #define ETHER_CLK_SEL_FREQ_SEL_50M BIT(9) #define ETHER_CLK_SEL_FREQ_SEL_25M BIT(8) -#define ETHER_CLK_SEL_FREQ_SEL_2P5M BIT(0) +#define ETHER_CLK_SEL_FREQ_SEL_2P5M 0 #define ETHER_CLK_SEL_TX_CLK_EXT_SEL_IN BIT(0) #define ETHER_CLK_SEL_TX_CLK_EXT_SEL_TXC BIT(10) #define ETHER_CLK_SEL_TX_CLK_EXT_SEL_DIV BIT(11) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 5f129733aabd..873b9e3e5da2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -172,6 +172,19 @@ struct stmmac_flow_entry { int is_l4; }; +/* Rx Frame Steering */ +enum stmmac_rfs_type { + STMMAC_RFS_T_VLAN, + STMMAC_RFS_T_MAX, +}; + +struct stmmac_rfs_entry { + unsigned long cookie; + int in_use; + int type; + int tc; +}; + struct stmmac_priv { /* Frequently used values are kept adjacent for cache effect */ u32 tx_coal_frames[MTL_MAX_TX_QUEUES]; @@ -289,6 +302,10 @@ struct stmmac_priv { struct stmmac_tc_entry *tc_entries; unsigned int flow_entries_max; struct stmmac_flow_entry *flow_entries; + unsigned int rfs_entries_max[STMMAC_RFS_T_MAX]; + unsigned int rfs_entries_cnt[STMMAC_RFS_T_MAX]; + unsigned int rfs_entries_total; + struct stmmac_rfs_entry *rfs_entries; /* Pulse Per Second output */ struct stmmac_pps_cfg pps[STMMAC_PPS_MAX]; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index da8306f60730..8ded4be08b00 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1461,16 +1461,20 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, { struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; struct stmmac_rx_buffer *buf = &rx_q->buf_pool[i]; + gfp_t gfp = (GFP_ATOMIC | __GFP_NOWARN); + + if (priv->dma_cap.addr64 <= 32) + gfp |= GFP_DMA32; if (!buf->page) { - buf->page = page_pool_dev_alloc_pages(rx_q->page_pool); + buf->page = page_pool_alloc_pages(rx_q->page_pool, gfp); if (!buf->page) return -ENOMEM; buf->page_offset = stmmac_rx_offset(priv); } if (priv->sph && !buf->sec_page) { - buf->sec_page = page_pool_dev_alloc_pages(rx_q->page_pool); + buf->sec_page = page_pool_alloc_pages(rx_q->page_pool, gfp); if (!buf->sec_page) return -ENOMEM; @@ -4482,6 +4486,10 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; int dirty = stmmac_rx_dirty(priv, queue); unsigned int entry = rx_q->dirty_rx; + gfp_t gfp = (GFP_ATOMIC | __GFP_NOWARN); + + if (priv->dma_cap.addr64 <= 32) + gfp |= GFP_DMA32; while (dirty-- > 0) { struct stmmac_rx_buffer *buf = &rx_q->buf_pool[entry]; @@ -4494,13 +4502,13 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) p = rx_q->dma_rx + entry; if (!buf->page) { - buf->page = page_pool_dev_alloc_pages(rx_q->page_pool); + buf->page = page_pool_alloc_pages(rx_q->page_pool, gfp); if (!buf->page) break; } if (priv->sph && !buf->sec_page) { - buf->sec_page = page_pool_dev_alloc_pages(rx_q->page_pool); + buf->sec_page = page_pool_alloc_pages(rx_q->page_pool, gfp); if (!buf->sec_page) break; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index 580cc035536b..be9b58b2abf9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -102,7 +102,7 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) time.tv_nsec = priv->plat->est->btr_reserve[0]; time.tv_sec = priv->plat->est->btr_reserve[1]; basetime = timespec64_to_ktime(time); - cycle_time = priv->plat->est->ctr[1] * NSEC_PER_SEC + + cycle_time = (u64)priv->plat->est->ctr[1] * NSEC_PER_SEC + priv->plat->est->ctr[0]; time = stmmac_calc_tas_basetime(basetime, current_time_ns, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 1c4ea0b1b845..d0a2b289f460 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -232,11 +232,33 @@ static int tc_setup_cls_u32(struct stmmac_priv *priv, } } +static int tc_rfs_init(struct stmmac_priv *priv) +{ + int i; + + priv->rfs_entries_max[STMMAC_RFS_T_VLAN] = 8; + + for (i = 0; i < STMMAC_RFS_T_MAX; i++) + priv->rfs_entries_total += priv->rfs_entries_max[i]; + + priv->rfs_entries = devm_kcalloc(priv->device, + priv->rfs_entries_total, + sizeof(*priv->rfs_entries), + GFP_KERNEL); + if (!priv->rfs_entries) + return -ENOMEM; + + dev_info(priv->device, "Enabled RFS Flow TC (entries=%d)\n", + priv->rfs_entries_total); + + return 0; +} + static int tc_init(struct stmmac_priv *priv) { struct dma_features *dma_cap = &priv->dma_cap; unsigned int count; - int i; + int ret, i; if (dma_cap->l3l4fnum) { priv->flow_entries_max = dma_cap->l3l4fnum; @@ -250,10 +272,14 @@ static int tc_init(struct stmmac_priv *priv) for (i = 0; i < priv->flow_entries_max; i++) priv->flow_entries[i].idx = i; - dev_info(priv->device, "Enabled Flow TC (entries=%d)\n", + dev_info(priv->device, "Enabled L3L4 Flow TC (entries=%d)\n", priv->flow_entries_max); } + ret = tc_rfs_init(priv); + if (ret) + return -ENOMEM; + if (!priv->plat->fpe_cfg) { priv->plat->fpe_cfg = devm_kzalloc(priv->device, sizeof(*priv->plat->fpe_cfg), @@ -607,16 +633,45 @@ static int tc_del_flow(struct stmmac_priv *priv, return ret; } +static struct stmmac_rfs_entry *tc_find_rfs(struct stmmac_priv *priv, + struct flow_cls_offload *cls, + bool get_free) +{ + int i; + + for (i = 0; i < priv->rfs_entries_total; i++) { + struct stmmac_rfs_entry *entry = &priv->rfs_entries[i]; + + if (entry->cookie == cls->cookie) + return entry; + if (get_free && entry->in_use == false) + return entry; + } + + return NULL; +} + #define VLAN_PRIO_FULL_MASK (0x07) static int tc_add_vlan_flow(struct stmmac_priv *priv, struct flow_cls_offload *cls) { + struct stmmac_rfs_entry *entry = tc_find_rfs(priv, cls, false); struct flow_rule *rule = flow_cls_offload_flow_rule(cls); struct flow_dissector *dissector = rule->match.dissector; int tc = tc_classid_to_hwtc(priv->dev, cls->classid); struct flow_match_vlan match; + if (!entry) { + entry = tc_find_rfs(priv, cls, true); + if (!entry) + return -ENOENT; + } + + if (priv->rfs_entries_cnt[STMMAC_RFS_T_VLAN] >= + priv->rfs_entries_max[STMMAC_RFS_T_VLAN]) + return -ENOENT; + /* Nothing to do here */ if (!dissector_uses_key(dissector, FLOW_DISSECTOR_KEY_VLAN)) return -EINVAL; @@ -638,6 +693,12 @@ static int tc_add_vlan_flow(struct stmmac_priv *priv, prio = BIT(match.key->vlan_priority); stmmac_rx_queue_prio(priv, priv->hw, prio, tc); + + entry->in_use = true; + entry->cookie = cls->cookie; + entry->tc = tc; + entry->type = STMMAC_RFS_T_VLAN; + priv->rfs_entries_cnt[STMMAC_RFS_T_VLAN]++; } return 0; @@ -646,20 +707,19 @@ static int tc_add_vlan_flow(struct stmmac_priv *priv, static int tc_del_vlan_flow(struct stmmac_priv *priv, struct flow_cls_offload *cls) { - struct flow_rule *rule = flow_cls_offload_flow_rule(cls); - struct flow_dissector *dissector = rule->match.dissector; - int tc = tc_classid_to_hwtc(priv->dev, cls->classid); + struct stmmac_rfs_entry *entry = tc_find_rfs(priv, cls, false); - /* Nothing to do here */ - if (!dissector_uses_key(dissector, FLOW_DISSECTOR_KEY_VLAN)) - return -EINVAL; + if (!entry || !entry->in_use || entry->type != STMMAC_RFS_T_VLAN) + return -ENOENT; - if (tc < 0) { - netdev_err(priv->dev, "Invalid traffic class\n"); - return -EINVAL; - } + stmmac_rx_queue_prio(priv, priv->hw, 0, entry->tc); + + entry->in_use = false; + entry->cookie = 0; + entry->tc = 0; + entry->type = 0; - stmmac_rx_queue_prio(priv, priv->hw, 0, tc); + priv->rfs_entries_cnt[STMMAC_RFS_T_VLAN]--; return 0; } diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index c092cb61416a..ffbbda8f4d41 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -1844,13 +1844,14 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common) if (ret < 0) { dev_err(dev, "%pOF error reading port_id %d\n", port_np, ret); - return ret; + goto of_node_put; } if (!port_id || port_id > common->port_num) { dev_err(dev, "%pOF has invalid port_id %u %s\n", port_np, port_id, port_np->name); - return -EINVAL; + ret = -EINVAL; + goto of_node_put; } port = am65_common_get_port(common, port_id); @@ -1866,8 +1867,10 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common) (AM65_CPSW_NU_FRAM_PORT_OFFSET * (port_id - 1)); port->slave.mac_sl = cpsw_sl_get("am65", dev, port->port_base); - if (IS_ERR(port->slave.mac_sl)) - return PTR_ERR(port->slave.mac_sl); + if (IS_ERR(port->slave.mac_sl)) { + ret = PTR_ERR(port->slave.mac_sl); + goto of_node_put; + } port->disabled = !of_device_is_available(port_np); if (port->disabled) { @@ -1880,7 +1883,7 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common) ret = PTR_ERR(port->slave.ifphy); dev_err(dev, "%pOF error retrieving port phy: %d\n", port_np, ret); - return ret; + goto of_node_put; } port->slave.mac_only = @@ -1889,10 +1892,12 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common) /* get phy/link info */ if (of_phy_is_fixed_link(port_np)) { ret = of_phy_register_fixed_link(port_np); - if (ret) - return dev_err_probe(dev, ret, + if (ret) { + ret = dev_err_probe(dev, ret, "failed to register fixed-link phy %pOF\n", port_np); + goto of_node_put; + } port->slave.phy_node = of_node_get(port_np); } else { port->slave.phy_node = @@ -1902,14 +1907,15 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common) if (!port->slave.phy_node) { dev_err(dev, "slave[%d] no phy found\n", port_id); - return -ENODEV; + ret = -ENODEV; + goto of_node_put; } ret = of_get_phy_mode(port_np, &port->slave.phy_if); if (ret) { dev_err(dev, "%pOF read phy-mode err %d\n", port_np, ret); - return ret; + goto of_node_put; } ret = of_get_mac_address(port_np, port->slave.mac_addr); @@ -1932,6 +1938,11 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common) } return 0; + +of_node_put: + of_node_put(port_np); + of_node_put(node); + return ret; } static void am65_cpsw_pcpu_stats_free(void *data) diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index b06c17ac8d4e..ebd287039a54 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1262,6 +1262,11 @@ static int fjes_probe(struct platform_device *plat_dev) hw->hw_res.start = res->start; hw->hw_res.size = resource_size(res); hw->hw_res.irq = platform_get_irq(plat_dev, 0); + if (hw->hw_res.irq < 0) { + err = hw->hw_res.irq; + goto err_free_control_wq; + } + err = fjes_hw_init(&adapter->hw); if (err) goto err_free_control_wq; diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 7da2bb8a443c..edde9c3ae12b 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -794,14 +794,14 @@ static void mkiss_close(struct tty_struct *tty) */ netif_stop_queue(ax->dev); - ax->tty = NULL; - unregister_netdev(ax->dev); /* Free all AX25 frame buffers after unreg. */ kfree(ax->rbuff); kfree(ax->xbuff); + ax->tty = NULL; + free_netdev(ax->dev); } diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c index 90aafb56f140..a43820212932 100644 --- a/drivers/net/netdevsim/bpf.c +++ b/drivers/net/netdevsim/bpf.c @@ -514,6 +514,7 @@ nsim_bpf_map_alloc(struct netdevsim *ns, struct bpf_offloaded_map *offmap) goto err_free; key = nmap->entry[i].key; *key = i; + memset(nmap->entry[i].value, 0, offmap->map.value_size); } } diff --git a/drivers/net/netdevsim/ethtool.c b/drivers/net/netdevsim/ethtool.c index 0ab6a40be611..a6a713b31aad 100644 --- a/drivers/net/netdevsim/ethtool.c +++ b/drivers/net/netdevsim/ethtool.c @@ -77,7 +77,10 @@ static int nsim_set_ringparam(struct net_device *dev, { struct netdevsim *ns = netdev_priv(dev); - memcpy(&ns->ethtool.ring, ring, sizeof(ns->ethtool.ring)); + ns->ethtool.ring.rx_pending = ring->rx_pending; + ns->ethtool.ring.rx_jumbo_pending = ring->rx_jumbo_pending; + ns->ethtool.ring.rx_mini_pending = ring->rx_mini_pending; + ns->ethtool.ring.tx_pending = ring->tx_pending; return 0; } diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index c204067f1890..c198722e4871 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -460,6 +460,9 @@ static void of_mdiobus_link_mdiodev(struct mii_bus *bus, if (addr == mdiodev->addr) { device_set_node(dev, of_fwnode_handle(child)); + /* The refcount on "child" is passed to the mdio + * device. Do _not_ use of_node_put(child) here. + */ return; } } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 1572878c3403..45a67e72a02c 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -209,6 +209,9 @@ struct tun_struct { struct tun_prog __rcu *steering_prog; struct tun_prog __rcu *filter_prog; struct ethtool_link_ksettings link_ksettings; + /* init args */ + struct file *file; + struct ifreq *ifr; }; struct veth { @@ -216,6 +219,9 @@ struct veth { __be16 h_vlan_TCI; }; +static void tun_flow_init(struct tun_struct *tun); +static void tun_flow_uninit(struct tun_struct *tun); + static int tun_napi_receive(struct napi_struct *napi, int budget) { struct tun_file *tfile = container_of(napi, struct tun_file, napi); @@ -953,6 +959,49 @@ static int check_filter(struct tap_filter *filter, const struct sk_buff *skb) static const struct ethtool_ops tun_ethtool_ops; +static int tun_net_init(struct net_device *dev) +{ + struct tun_struct *tun = netdev_priv(dev); + struct ifreq *ifr = tun->ifr; + int err; + + dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); + if (!dev->tstats) + return -ENOMEM; + + spin_lock_init(&tun->lock); + + err = security_tun_dev_alloc_security(&tun->security); + if (err < 0) { + free_percpu(dev->tstats); + return err; + } + + tun_flow_init(tun); + + dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | + TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX; + dev->features = dev->hw_features | NETIF_F_LLTX; + dev->vlan_features = dev->features & + ~(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX); + + tun->flags = (tun->flags & ~TUN_FEATURES) | + (ifr->ifr_flags & TUN_FEATURES); + + INIT_LIST_HEAD(&tun->disabled); + err = tun_attach(tun, tun->file, false, ifr->ifr_flags & IFF_NAPI, + ifr->ifr_flags & IFF_NAPI_FRAGS, false); + if (err < 0) { + tun_flow_uninit(tun); + security_tun_dev_free_security(tun->security); + free_percpu(dev->tstats); + return err; + } + return 0; +} + /* Net device detach from fd. */ static void tun_net_uninit(struct net_device *dev) { @@ -1169,6 +1218,7 @@ static int tun_net_change_carrier(struct net_device *dev, bool new_carrier) } static const struct net_device_ops tun_netdev_ops = { + .ndo_init = tun_net_init, .ndo_uninit = tun_net_uninit, .ndo_open = tun_net_open, .ndo_stop = tun_net_close, @@ -1252,6 +1302,7 @@ static int tun_xdp_tx(struct net_device *dev, struct xdp_buff *xdp) } static const struct net_device_ops tap_netdev_ops = { + .ndo_init = tun_net_init, .ndo_uninit = tun_net_uninit, .ndo_open = tun_net_open, .ndo_stop = tun_net_close, @@ -1292,7 +1343,7 @@ static void tun_flow_uninit(struct tun_struct *tun) #define MAX_MTU 65535 /* Initialize net device. */ -static void tun_net_init(struct net_device *dev) +static void tun_net_initialize(struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); @@ -2206,11 +2257,6 @@ static void tun_free_netdev(struct net_device *dev) BUG_ON(!(list_empty(&tun->disabled))); free_percpu(dev->tstats); - /* We clear tstats so that tun_set_iff() can tell if - * tun_free_netdev() has been called from register_netdevice(). - */ - dev->tstats = NULL; - tun_flow_uninit(tun); security_tun_dev_free_security(tun->security); __tun_set_ebpf(tun, &tun->steering_prog, NULL); @@ -2716,41 +2762,16 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) tun->rx_batched = 0; RCU_INIT_POINTER(tun->steering_prog, NULL); - dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); - if (!dev->tstats) { - err = -ENOMEM; - goto err_free_dev; - } - - spin_lock_init(&tun->lock); - - err = security_tun_dev_alloc_security(&tun->security); - if (err < 0) - goto err_free_stat; - - tun_net_init(dev); - tun_flow_init(tun); + tun->ifr = ifr; + tun->file = file; - dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | - TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; - dev->features = dev->hw_features | NETIF_F_LLTX; - dev->vlan_features = dev->features & - ~(NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX); - - tun->flags = (tun->flags & ~TUN_FEATURES) | - (ifr->ifr_flags & TUN_FEATURES); - - INIT_LIST_HEAD(&tun->disabled); - err = tun_attach(tun, file, false, ifr->ifr_flags & IFF_NAPI, - ifr->ifr_flags & IFF_NAPI_FRAGS, false); - if (err < 0) - goto err_free_flow; + tun_net_initialize(dev); err = register_netdevice(tun->dev); - if (err < 0) - goto err_detach; + if (err < 0) { + free_netdev(dev); + return err; + } /* free_netdev() won't check refcnt, to avoid race * with dev_put() we need publish tun after registration. */ @@ -2767,24 +2788,6 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) strcpy(ifr->ifr_name, tun->dev->name); return 0; - -err_detach: - tun_detach_all(dev); - /* We are here because register_netdevice() has failed. - * If register_netdevice() already called tun_free_netdev() - * while dealing with the error, dev->stats has been cleared. - */ - if (!dev->tstats) - goto err_free_dev; - -err_free_flow: - tun_flow_uninit(tun); - security_tun_dev_free_security(tun->security); -err_free_stat: - free_percpu(dev->tstats); -err_free_dev: - free_netdev(dev); - return err; } static void tun_get_iff(struct tun_struct *tun, struct ifreq *ifr) diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 42ba4af68090..71682970be58 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -9,6 +9,8 @@ #include "asix.h" +#define AX_HOST_EN_RETRIES 30 + int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data, int in_pm) { @@ -68,7 +70,7 @@ static int asix_check_host_enable(struct usbnet *dev, int in_pm) int i, ret; u8 smsr; - for (i = 0; i < 30; ++i) { + for (i = 0; i < AX_HOST_EN_RETRIES; ++i) { ret = asix_set_sw_mii(dev, in_pm); if (ret == -ENODEV || ret == -ETIMEDOUT) break; @@ -77,13 +79,13 @@ static int asix_check_host_enable(struct usbnet *dev, int in_pm) 0, 0, 1, &smsr, in_pm); if (ret == -ENODEV) break; - else if (ret < 0) + else if (ret < sizeof(smsr)) continue; else if (smsr & AX_HOST_EN) break; } - return ret; + return i >= AX_HOST_EN_RETRIES ? -ETIMEDOUT : ret; } static void reset_asix_rx_fixup_info(struct asix_rx_fixup_info *rx) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 8cd265fc1fd9..075f8abde5cd 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -76,6 +76,8 @@ #define LAN7801_USB_PRODUCT_ID (0x7801) #define LAN78XX_EEPROM_MAGIC (0x78A5) #define LAN78XX_OTP_MAGIC (0x78F3) +#define AT29M2AF_USB_VENDOR_ID (0x07C9) +#define AT29M2AF_USB_PRODUCT_ID (0x0012) #define MII_READ 1 #define MII_WRITE 0 @@ -4734,6 +4736,10 @@ static const struct usb_device_id products[] = { /* LAN7801 USB Gigabit Ethernet Device */ USB_DEVICE(LAN78XX_USB_VENDOR_ID, LAN7801_USB_PRODUCT_ID), }, + { + /* ATM2-AF USB Gigabit Ethernet Device */ + USB_DEVICE(AT29M2AF_USB_VENDOR_ID, AT29M2AF_USB_PRODUCT_ID), + }, {}, }; MODULE_DEVICE_TABLE(usb, products); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 86b814e99224..f510e8219470 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1358,6 +1358,7 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990 */ {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index f9877a3e83ac..3085e8118d7f 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -32,7 +32,7 @@ #define NETNEXT_VERSION "12" /* Information for net */ -#define NET_VERSION "11" +#define NET_VERSION "12" #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" @@ -4016,6 +4016,11 @@ static void rtl_clear_bp(struct r8152 *tp, u16 type) ocp_write_word(tp, type, PLA_BP_BA, 0); } +static inline void rtl_reset_ocp_base(struct r8152 *tp) +{ + tp->ocp_base = -1; +} + static int rtl_phy_patch_request(struct r8152 *tp, bool request, bool wait) { u16 data, check; @@ -4087,8 +4092,6 @@ static int rtl_post_ram_code(struct r8152 *tp, u16 key_addr, bool wait) rtl_phy_patch_request(tp, false, wait); - ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, tp->ocp_base); - return 0; } @@ -4800,6 +4803,8 @@ static void rtl_ram_code_speed_up(struct r8152 *tp, struct fw_phy_speed_up *phy, u32 len; u8 *data; + rtl_reset_ocp_base(tp); + if (sram_read(tp, SRAM_GPHY_FW_VER) >= __le16_to_cpu(phy->version)) { dev_dbg(&tp->intf->dev, "PHY firmware has been the newest\n"); return; @@ -4845,7 +4850,8 @@ static void rtl_ram_code_speed_up(struct r8152 *tp, struct fw_phy_speed_up *phy, } } - ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, tp->ocp_base); + rtl_reset_ocp_base(tp); + rtl_phy_patch_request(tp, false, wait); if (sram_read(tp, SRAM_GPHY_FW_VER) == __le16_to_cpu(phy->version)) @@ -4861,6 +4867,8 @@ static int rtl8152_fw_phy_ver(struct r8152 *tp, struct fw_phy_ver *phy_ver) ver_addr = __le16_to_cpu(phy_ver->ver.addr); ver = __le16_to_cpu(phy_ver->ver.data); + rtl_reset_ocp_base(tp); + if (sram_read(tp, ver_addr) >= ver) { dev_dbg(&tp->intf->dev, "PHY firmware has been the newest\n"); return 0; @@ -4877,6 +4885,8 @@ static void rtl8152_fw_phy_fixup(struct r8152 *tp, struct fw_phy_fixup *fix) { u16 addr, data; + rtl_reset_ocp_base(tp); + addr = __le16_to_cpu(fix->setting.addr); data = ocp_reg_read(tp, addr); @@ -4908,6 +4918,8 @@ static void rtl8152_fw_phy_union_apply(struct r8152 *tp, struct fw_phy_union *ph u32 length; int i, num; + rtl_reset_ocp_base(tp); + num = phy->pre_num; for (i = 0; i < num; i++) sram_write(tp, __le16_to_cpu(phy->pre_set[i].addr), @@ -4938,6 +4950,8 @@ static void rtl8152_fw_phy_nc_apply(struct r8152 *tp, struct fw_phy_nc *phy) u32 length, i, num; __le16 *data; + rtl_reset_ocp_base(tp); + mode_reg = __le16_to_cpu(phy->mode_reg); sram_write(tp, mode_reg, __le16_to_cpu(phy->mode_pre)); sram_write(tp, __le16_to_cpu(phy->ba_reg), @@ -5107,6 +5121,7 @@ post_fw: if (rtl_fw->post_fw) rtl_fw->post_fw(tp); + rtl_reset_ocp_base(tp); strscpy(rtl_fw->version, fw_hdr->version, RTL_VER_SIZE); dev_info(&tp->intf->dev, "load %s successfully\n", rtl_fw->version); } @@ -6584,6 +6599,21 @@ static bool rtl8153_in_nway(struct r8152 *tp) return true; } +static void r8156_mdio_force_mode(struct r8152 *tp) +{ + u16 data; + + /* Select force mode through 0xa5b4 bit 15 + * 0: MDIO force mode + * 1: MMD force mode + */ + data = ocp_reg_read(tp, 0xa5b4); + if (data & BIT(15)) { + data &= ~BIT(15); + ocp_reg_write(tp, 0xa5b4, data); + } +} + static void set_carrier(struct r8152 *tp) { struct net_device *netdev = tp->netdev; @@ -8016,6 +8046,7 @@ static void r8156_init(struct r8152 *tp) ocp_data |= ACT_ODMA; ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_CONFIG, ocp_data); + r8156_mdio_force_mode(tp); rtl_tally_reset(tp); tp->coalesce = 15000; /* 15 us */ @@ -8145,6 +8176,7 @@ static void r8156b_init(struct r8152 *tp) ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN); ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); + r8156_mdio_force_mode(tp); rtl_tally_reset(tp); tp->coalesce = 15000; /* 15 us */ @@ -8467,6 +8499,8 @@ static int rtl8152_resume(struct usb_interface *intf) mutex_lock(&tp->control); + rtl_reset_ocp_base(tp); + if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) ret = rtl8152_runtime_resume(tp); else @@ -8482,6 +8516,7 @@ static int rtl8152_reset_resume(struct usb_interface *intf) struct r8152 *tp = usb_get_intfdata(intf); clear_bit(SELECTIVE_SUSPEND, &tp->flags); + rtl_reset_ocp_base(tp); tp->rtl_ops.init(tp); queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0); set_ethernet_addr(tp, true); diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 50eb43e5bf45..2acdb8ad6c71 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -879,8 +879,12 @@ static int veth_xdp_rcv(struct veth_rq *rq, int budget, stats->xdp_bytes += skb->len; skb = veth_xdp_rcv_skb(rq, skb, bq, stats); - if (skb) - napi_gro_receive(&rq->xdp_napi, skb); + if (skb) { + if (skb_shared(skb) || skb_unclone(skb, GFP_ATOMIC)) + netif_receive_skb(skb); + else + napi_gro_receive(&rq->xdp_napi, skb); + } } done++; } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 55db6a336f7e..b107835242ad 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -733,7 +733,7 @@ static struct sk_buff *receive_small(struct net_device *dev, pr_debug("%s: rx error: len %u exceeds max size %d\n", dev->name, len, GOOD_PACKET_LEN); dev->stats.rx_length_errors++; - goto err_len; + goto err; } if (likely(!vi->xdp_enabled)) { @@ -825,10 +825,8 @@ static struct sk_buff *receive_small(struct net_device *dev, skip_xdp: skb = build_skb(buf, buflen); - if (!skb) { - put_page(page); + if (!skb) goto err; - } skb_reserve(skb, headroom - delta); skb_put(skb, len); if (!xdp_prog) { @@ -839,13 +837,12 @@ skip_xdp: if (metasize) skb_metadata_set(skb, metasize); -err: return skb; err_xdp: rcu_read_unlock(); stats->xdp_drops++; -err_len: +err: stats->drops++; put_page(page); xdp_xmit: diff --git a/drivers/net/wireless/broadcom/brcm80211/Kconfig b/drivers/net/wireless/broadcom/brcm80211/Kconfig index 5bf2318763c5..3a1a35b5672f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/Kconfig +++ b/drivers/net/wireless/broadcom/brcm80211/Kconfig @@ -7,16 +7,20 @@ config BRCMSMAC depends on MAC80211 depends on BCMA_POSSIBLE select BCMA - select NEW_LEDS if BCMA_DRIVER_GPIO - select LEDS_CLASS if BCMA_DRIVER_GPIO select BRCMUTIL select FW_LOADER select CORDIC help This module adds support for PCIe wireless adapters based on Broadcom - IEEE802.11n SoftMAC chipsets. It also has WLAN led support, which will - be available if you select BCMA_DRIVER_GPIO. If you choose to build a - module, the driver will be called brcmsmac.ko. + IEEE802.11n SoftMAC chipsets. If you choose to build a module, the + driver will be called brcmsmac.ko. + +config BRCMSMAC_LEDS + def_bool BRCMSMAC && BCMA_DRIVER_GPIO && MAC80211_LEDS + help + The brcmsmac LED support depends on the presence of the + BCMA_DRIVER_GPIO driver, and it only works if LED support + is enabled and reachable from the driver module. source "drivers/net/wireless/broadcom/brcm80211/brcmfmac/Kconfig" diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/Makefile b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/Makefile index 482d7737764d..090757730ba6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/Makefile +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/Makefile @@ -42,6 +42,6 @@ brcmsmac-y := \ brcms_trace_events.o \ debug.o -brcmsmac-$(CONFIG_BCMA_DRIVER_GPIO) += led.o +brcmsmac-$(CONFIG_BRCMSMAC_LEDS) += led.o obj-$(CONFIG_BRCMSMAC) += brcmsmac.o diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.h index d65f5c268fd7..2a5cbeb9e783 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.h @@ -24,7 +24,7 @@ struct brcms_led { struct gpio_desc *gpiod; }; -#ifdef CONFIG_BCMA_DRIVER_GPIO +#ifdef CONFIG_BRCMSMAC_LEDS void brcms_led_unregister(struct brcms_info *wl); int brcms_led_register(struct brcms_info *wl); #else diff --git a/drivers/net/wireless/intel/iwlegacy/Kconfig b/drivers/net/wireless/intel/iwlegacy/Kconfig index 24fe3f63c321..7eacc8e58ee1 100644 --- a/drivers/net/wireless/intel/iwlegacy/Kconfig +++ b/drivers/net/wireless/intel/iwlegacy/Kconfig @@ -2,14 +2,13 @@ config IWLEGACY tristate select FW_LOADER - select NEW_LEDS - select LEDS_CLASS select LEDS_TRIGGERS select MAC80211_LEDS config IWL4965 tristate "Intel Wireless WiFi 4965AGN (iwl4965)" depends on PCI && MAC80211 + depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211 select IWLEGACY help This option enables support for @@ -38,6 +37,7 @@ config IWL4965 config IWL3945 tristate "Intel PRO/Wireless 3945ABG/BG Network Connection (iwl3945)" depends on PCI && MAC80211 + depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211 select IWLEGACY help Select to build the driver supporting the: diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index 1085afbefba8..418ae4f870ab 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -47,7 +47,7 @@ if IWLWIFI config IWLWIFI_LEDS bool - depends on LEDS_CLASS=y || LEDS_CLASS=IWLWIFI + depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211 depends on IWLMVM || IWLDVM select LEDS_TRIGGERS select MAC80211_LEDS diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index bdd4ee432548..76e0b7b45980 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -269,17 +269,18 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mvm, u8 rate_plcp; u32 rate_flags = 0; bool is_cck; - struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); /* info->control is only relevant for non HW rate control */ if (!ieee80211_hw_check(mvm->hw, HAS_RATE_CONTROL)) { + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + /* HT rate doesn't make sense for a non data frame */ WARN_ONCE(info->control.rates[0].flags & IEEE80211_TX_RC_MCS && !ieee80211_is_data(fc), "Got a HT rate (flags:0x%x/mcs:%d/fc:0x%x/state:%d) for a non data frame\n", info->control.rates[0].flags, info->control.rates[0].idx, - le16_to_cpu(fc), mvmsta->sta_state); + le16_to_cpu(fc), sta ? mvmsta->sta_state : -1); rate_idx = info->control.rates[0].idx; } diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index 79ab850a45a2..c78ae4b89761 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -34,4 +34,4 @@ obj-$(CONFIG_MT76x2_COMMON) += mt76x2/ obj-$(CONFIG_MT7603E) += mt7603/ obj-$(CONFIG_MT7615_COMMON) += mt7615/ obj-$(CONFIG_MT7915E) += mt7915/ -obj-$(CONFIG_MT7921E) += mt7921/ +obj-$(CONFIG_MT7921_COMMON) += mt7921/ diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 4a16d6e33c09..d9dea4829c86 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -203,6 +203,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ unsigned int rx_queue_max; unsigned int rx_queue_len; unsigned long last_rx_time; + unsigned int rx_slots_needed; bool stalled; struct xenvif_copy_state rx_copy; diff --git a/drivers/net/xen-netback/rx.c b/drivers/net/xen-netback/rx.c index accc991d153f..dbac4c03d21a 100644 --- a/drivers/net/xen-netback/rx.c +++ b/drivers/net/xen-netback/rx.c @@ -33,28 +33,36 @@ #include <xen/xen.h> #include <xen/events.h> -static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue) +/* + * Update the needed ring page slots for the first SKB queued. + * Note that any call sequence outside the RX thread calling this function + * needs to wake up the RX thread via a call of xenvif_kick_thread() + * afterwards in order to avoid a race with putting the thread to sleep. + */ +static void xenvif_update_needed_slots(struct xenvif_queue *queue, + const struct sk_buff *skb) { - RING_IDX prod, cons; - struct sk_buff *skb; - int needed; - unsigned long flags; - - spin_lock_irqsave(&queue->rx_queue.lock, flags); + unsigned int needed = 0; - skb = skb_peek(&queue->rx_queue); - if (!skb) { - spin_unlock_irqrestore(&queue->rx_queue.lock, flags); - return false; + if (skb) { + needed = DIV_ROUND_UP(skb->len, XEN_PAGE_SIZE); + if (skb_is_gso(skb)) + needed++; + if (skb->sw_hash) + needed++; } - needed = DIV_ROUND_UP(skb->len, XEN_PAGE_SIZE); - if (skb_is_gso(skb)) - needed++; - if (skb->sw_hash) - needed++; + WRITE_ONCE(queue->rx_slots_needed, needed); +} - spin_unlock_irqrestore(&queue->rx_queue.lock, flags); +static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue) +{ + RING_IDX prod, cons; + unsigned int needed; + + needed = READ_ONCE(queue->rx_slots_needed); + if (!needed) + return false; do { prod = queue->rx.sring->req_prod; @@ -80,13 +88,19 @@ void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb) spin_lock_irqsave(&queue->rx_queue.lock, flags); - __skb_queue_tail(&queue->rx_queue, skb); - - queue->rx_queue_len += skb->len; - if (queue->rx_queue_len > queue->rx_queue_max) { + if (queue->rx_queue_len >= queue->rx_queue_max) { struct net_device *dev = queue->vif->dev; netif_tx_stop_queue(netdev_get_tx_queue(dev, queue->id)); + kfree_skb(skb); + queue->vif->dev->stats.rx_dropped++; + } else { + if (skb_queue_empty(&queue->rx_queue)) + xenvif_update_needed_slots(queue, skb); + + __skb_queue_tail(&queue->rx_queue, skb); + + queue->rx_queue_len += skb->len; } spin_unlock_irqrestore(&queue->rx_queue.lock, flags); @@ -100,6 +114,8 @@ static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue) skb = __skb_dequeue(&queue->rx_queue); if (skb) { + xenvif_update_needed_slots(queue, skb_peek(&queue->rx_queue)); + queue->rx_queue_len -= skb->len; if (queue->rx_queue_len < queue->rx_queue_max) { struct netdev_queue *txq; @@ -134,6 +150,7 @@ static void xenvif_rx_queue_drop_expired(struct xenvif_queue *queue) break; xenvif_rx_dequeue(queue); kfree_skb(skb); + queue->vif->dev->stats.rx_dropped++; } } @@ -487,27 +504,31 @@ void xenvif_rx_action(struct xenvif_queue *queue) xenvif_rx_copy_flush(queue); } -static bool xenvif_rx_queue_stalled(struct xenvif_queue *queue) +static RING_IDX xenvif_rx_queue_slots(const struct xenvif_queue *queue) { RING_IDX prod, cons; prod = queue->rx.sring->req_prod; cons = queue->rx.req_cons; + return prod - cons; +} + +static bool xenvif_rx_queue_stalled(const struct xenvif_queue *queue) +{ + unsigned int needed = READ_ONCE(queue->rx_slots_needed); + return !queue->stalled && - prod - cons < 1 && + xenvif_rx_queue_slots(queue) < needed && time_after(jiffies, queue->last_rx_time + queue->vif->stall_timeout); } static bool xenvif_rx_queue_ready(struct xenvif_queue *queue) { - RING_IDX prod, cons; - - prod = queue->rx.sring->req_prod; - cons = queue->rx.req_cons; + unsigned int needed = READ_ONCE(queue->rx_slots_needed); - return queue->stalled && prod - cons >= 1; + return queue->stalled && xenvif_rx_queue_slots(queue) >= needed; } bool xenvif_have_rx_work(struct xenvif_queue *queue, bool test_kthread) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 911f43986a8c..d514d96027a6 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -148,6 +148,9 @@ struct netfront_queue { grant_ref_t gref_rx_head; grant_ref_t grant_rx_ref[NET_RX_RING_SIZE]; + unsigned int rx_rsp_unconsumed; + spinlock_t rx_cons_lock; + struct page_pool *page_pool; struct xdp_rxq_info xdp_rxq; }; @@ -376,12 +379,13 @@ static int xennet_open(struct net_device *dev) return 0; } -static void xennet_tx_buf_gc(struct netfront_queue *queue) +static bool xennet_tx_buf_gc(struct netfront_queue *queue) { RING_IDX cons, prod; unsigned short id; struct sk_buff *skb; bool more_to_do; + bool work_done = false; const struct device *dev = &queue->info->netdev->dev; BUG_ON(!netif_carrier_ok(queue->info->netdev)); @@ -398,6 +402,8 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) for (cons = queue->tx.rsp_cons; cons != prod; cons++) { struct xen_netif_tx_response txrsp; + work_done = true; + RING_COPY_RESPONSE(&queue->tx, cons, &txrsp); if (txrsp.status == XEN_NETIF_RSP_NULL) continue; @@ -441,11 +447,13 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) xennet_maybe_wake_tx(queue); - return; + return work_done; err: queue->info->broken = true; dev_alert(dev, "Disabled for further use\n"); + + return work_done; } struct xennet_gnttab_make_txreq { @@ -834,6 +842,16 @@ static int xennet_close(struct net_device *dev) return 0; } +static void xennet_set_rx_rsp_cons(struct netfront_queue *queue, RING_IDX val) +{ + unsigned long flags; + + spin_lock_irqsave(&queue->rx_cons_lock, flags); + queue->rx.rsp_cons = val; + queue->rx_rsp_unconsumed = RING_HAS_UNCONSUMED_RESPONSES(&queue->rx); + spin_unlock_irqrestore(&queue->rx_cons_lock, flags); +} + static void xennet_move_rx_slot(struct netfront_queue *queue, struct sk_buff *skb, grant_ref_t ref) { @@ -885,7 +903,7 @@ static int xennet_get_extras(struct netfront_queue *queue, xennet_move_rx_slot(queue, skb, ref); } while (extra.flags & XEN_NETIF_EXTRA_FLAG_MORE); - queue->rx.rsp_cons = cons; + xennet_set_rx_rsp_cons(queue, cons); return err; } @@ -1039,7 +1057,7 @@ next: } if (unlikely(err)) - queue->rx.rsp_cons = cons + slots; + xennet_set_rx_rsp_cons(queue, cons + slots); return err; } @@ -1093,7 +1111,8 @@ static int xennet_fill_frags(struct netfront_queue *queue, __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); } if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { - queue->rx.rsp_cons = ++cons + skb_queue_len(list); + xennet_set_rx_rsp_cons(queue, + ++cons + skb_queue_len(list)); kfree_skb(nskb); return -ENOENT; } @@ -1106,7 +1125,7 @@ static int xennet_fill_frags(struct netfront_queue *queue, kfree_skb(nskb); } - queue->rx.rsp_cons = cons; + xennet_set_rx_rsp_cons(queue, cons); return 0; } @@ -1229,7 +1248,9 @@ err: if (unlikely(xennet_set_skb_gso(skb, gso))) { __skb_queue_head(&tmpq, skb); - queue->rx.rsp_cons += skb_queue_len(&tmpq); + xennet_set_rx_rsp_cons(queue, + queue->rx.rsp_cons + + skb_queue_len(&tmpq)); goto err; } } @@ -1253,7 +1274,8 @@ err: __skb_queue_tail(&rxq, skb); - i = ++queue->rx.rsp_cons; + i = queue->rx.rsp_cons + 1; + xennet_set_rx_rsp_cons(queue, i); work_done++; } if (need_xdp_flush) @@ -1417,40 +1439,79 @@ static int xennet_set_features(struct net_device *dev, return 0; } -static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id) +static bool xennet_handle_tx(struct netfront_queue *queue, unsigned int *eoi) { - struct netfront_queue *queue = dev_id; unsigned long flags; - if (queue->info->broken) - return IRQ_HANDLED; + if (unlikely(queue->info->broken)) + return false; spin_lock_irqsave(&queue->tx_lock, flags); - xennet_tx_buf_gc(queue); + if (xennet_tx_buf_gc(queue)) + *eoi = 0; spin_unlock_irqrestore(&queue->tx_lock, flags); + return true; +} + +static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id) +{ + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; + + if (likely(xennet_handle_tx(dev_id, &eoiflag))) + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; } -static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id) +static bool xennet_handle_rx(struct netfront_queue *queue, unsigned int *eoi) { - struct netfront_queue *queue = dev_id; - struct net_device *dev = queue->info->netdev; + unsigned int work_queued; + unsigned long flags; - if (queue->info->broken) - return IRQ_HANDLED; + if (unlikely(queue->info->broken)) + return false; + + spin_lock_irqsave(&queue->rx_cons_lock, flags); + work_queued = RING_HAS_UNCONSUMED_RESPONSES(&queue->rx); + if (work_queued > queue->rx_rsp_unconsumed) { + queue->rx_rsp_unconsumed = work_queued; + *eoi = 0; + } else if (unlikely(work_queued < queue->rx_rsp_unconsumed)) { + const struct device *dev = &queue->info->netdev->dev; + + spin_unlock_irqrestore(&queue->rx_cons_lock, flags); + dev_alert(dev, "RX producer index going backwards\n"); + dev_alert(dev, "Disabled for further use\n"); + queue->info->broken = true; + return false; + } + spin_unlock_irqrestore(&queue->rx_cons_lock, flags); - if (likely(netif_carrier_ok(dev) && - RING_HAS_UNCONSUMED_RESPONSES(&queue->rx))) + if (likely(netif_carrier_ok(queue->info->netdev) && work_queued)) napi_schedule(&queue->napi); + return true; +} + +static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id) +{ + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; + + if (likely(xennet_handle_rx(dev_id, &eoiflag))) + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; } static irqreturn_t xennet_interrupt(int irq, void *dev_id) { - xennet_tx_interrupt(irq, dev_id); - xennet_rx_interrupt(irq, dev_id); + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; + + if (xennet_handle_tx(dev_id, &eoiflag) && + xennet_handle_rx(dev_id, &eoiflag)) + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; } @@ -1768,9 +1829,10 @@ static int setup_netfront_single(struct netfront_queue *queue) if (err < 0) goto fail; - err = bind_evtchn_to_irqhandler(queue->tx_evtchn, - xennet_interrupt, - 0, queue->info->netdev->name, queue); + err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn, + xennet_interrupt, 0, + queue->info->netdev->name, + queue); if (err < 0) goto bind_fail; queue->rx_evtchn = queue->tx_evtchn; @@ -1798,18 +1860,18 @@ static int setup_netfront_split(struct netfront_queue *queue) snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name), "%s-tx", queue->name); - err = bind_evtchn_to_irqhandler(queue->tx_evtchn, - xennet_tx_interrupt, - 0, queue->tx_irq_name, queue); + err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn, + xennet_tx_interrupt, 0, + queue->tx_irq_name, queue); if (err < 0) goto bind_tx_fail; queue->tx_irq = err; snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name), "%s-rx", queue->name); - err = bind_evtchn_to_irqhandler(queue->rx_evtchn, - xennet_rx_interrupt, - 0, queue->rx_irq_name, queue); + err = bind_evtchn_to_irqhandler_lateeoi(queue->rx_evtchn, + xennet_rx_interrupt, 0, + queue->rx_irq_name, queue); if (err < 0) goto bind_rx_fail; queue->rx_irq = err; @@ -1911,6 +1973,7 @@ static int xennet_init_queue(struct netfront_queue *queue) spin_lock_init(&queue->tx_lock); spin_lock_init(&queue->rx_lock); + spin_lock_init(&queue->rx_cons_lock); timer_setup(&queue->rx_refill_timer, rx_refill_timeout, 0); diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 93b141110537..7fc5135ffbbf 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -332,8 +332,8 @@ config PCIE_APPLE If unsure, say Y if you have an Apple Silicon system. config PCIE_MT7621 - tristate "MediaTek MT7621 PCIe Controller" - depends on (RALINK && SOC_MT7621) || (MIPS && COMPILE_TEST) + bool "MediaTek MT7621 PCIe Controller" + depends on SOC_MT7621 || (MIPS && COMPILE_TEST) select PHY_MT7621_PCI default SOC_MT7621 help diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 48e3f4e47b29..d84cf30bb279 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -722,9 +722,6 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries, goto out_disable; } - /* Ensure that all table entries are masked. */ - msix_mask_all(base, tsize); - ret = msix_setup_entries(dev, base, entries, nvec, affd); if (ret) goto out_disable; @@ -751,6 +748,16 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries, /* Set MSI-X enabled bits and unmask the function */ pci_intx_for_msi(dev, 0); dev->msix_enabled = 1; + + /* + * Ensure that all table entries are masked to prevent + * stale entries from firing in a crash kernel. + * + * Done late to deal with a broken Marvell NVME device + * which takes the MSI-X mask bits into account even + * when MSI-X is disabled, which prevents MSI delivery. + */ + msix_mask_all(base, tsize); pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL, 0); pcibios_free_irq(dev); @@ -777,7 +784,7 @@ out_free: free_msi_irqs(dev); out_disable: - pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0); + pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL | PCI_MSIX_FLAGS_ENABLE, 0); return ret; } diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 2abcc6ce4eba..b607d10e4cbd 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -1244,6 +1244,18 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) raw_spin_lock_init(&pc->irq_lock[i]); } + pc->pctl_desc = *pdata->pctl_desc; + pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc); + if (IS_ERR(pc->pctl_dev)) { + gpiochip_remove(&pc->gpio_chip); + return PTR_ERR(pc->pctl_dev); + } + + pc->gpio_range = *pdata->gpio_range; + pc->gpio_range.base = pc->gpio_chip.base; + pc->gpio_range.gc = &pc->gpio_chip; + pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range); + girq = &pc->gpio_chip.irq; girq->chip = &bcm2835_gpio_irq_chip; girq->parent_handler = bcm2835_gpio_irq_handler; @@ -1251,8 +1263,10 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) girq->parents = devm_kcalloc(dev, BCM2835_NUM_IRQS, sizeof(*girq->parents), GFP_KERNEL); - if (!girq->parents) + if (!girq->parents) { + pinctrl_remove_gpio_range(pc->pctl_dev, &pc->gpio_range); return -ENOMEM; + } if (is_7211) { pc->wake_irq = devm_kcalloc(dev, BCM2835_NUM_IRQS, @@ -1307,21 +1321,10 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) err = gpiochip_add_data(&pc->gpio_chip, pc); if (err) { dev_err(dev, "could not add GPIO chip\n"); + pinctrl_remove_gpio_range(pc->pctl_dev, &pc->gpio_range); return err; } - pc->pctl_desc = *pdata->pctl_desc; - pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc); - if (IS_ERR(pc->pctl_dev)) { - gpiochip_remove(&pc->gpio_chip); - return PTR_ERR(pc->pctl_dev); - } - - pc->gpio_range = *pdata->gpio_range; - pc->gpio_range.base = pc->gpio_chip.base; - pc->gpio_range.gc = &pc->gpio_chip; - pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range); - return 0; } diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index 91553b2fc160..53779822348d 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -285,8 +285,12 @@ static int mtk_xt_get_gpio_n(void *data, unsigned long eint_n, desc = (const struct mtk_pin_desc *)hw->soc->pins; *gpio_chip = &hw->chip; - /* Be greedy to guess first gpio_n is equal to eint_n */ - if (desc[eint_n].eint.eint_n == eint_n) + /* + * Be greedy to guess first gpio_n is equal to eint_n. + * Only eint virtual eint number is greater than gpio number. + */ + if (hw->soc->npins > eint_n && + desc[eint_n].eint.eint_n == eint_n) *gpio_n = eint_n; else *gpio_n = mtk_xt_find_eint_num(hw, eint_n); diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 24764ebcc936..9ed764731570 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1251,10 +1251,10 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl, bank_nr = args.args[1] / STM32_GPIO_PINS_PER_BANK; bank->gpio_chip.base = args.args[1]; - npins = args.args[2]; - while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, - ++i, &args)) - npins += args.args[2]; + /* get the last defined gpio line (offset + nb of pins) */ + npins = args.args[0] + args.args[2]; + while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, ++i, &args)) + npins = max(npins, (int)(args.args[0] + args.args[2])); } else { bank_nr = pctl->nbanks; bank->gpio_chip.base = bank_nr * STM32_GPIO_PINS_PER_BANK; diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index 04bc3b50aa7a..65b4a819f1bd 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -1374,8 +1374,8 @@ static int mlxbf_pmc_map_counters(struct device *dev) pmc->block[i].counters = info[2]; pmc->block[i].type = info[3]; - if (IS_ERR(pmc->block[i].mmio_base)) - return PTR_ERR(pmc->block[i].mmio_base); + if (!pmc->block[i].mmio_base) + return -ENOMEM; ret = mlxbf_pmc_create_groups(dev, i); if (ret) diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index 219478061683..253a096b5dd8 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -68,7 +68,7 @@ obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o obj-$(CONFIG_THINKPAD_LMI) += think-lmi.o # Intel -obj-$(CONFIG_X86_PLATFORM_DRIVERS_INTEL) += intel/ +obj-y += intel/ # MSI obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c index 841c44cd64c2..230593ae5d6d 100644 --- a/drivers/platform/x86/amd-pmc.c +++ b/drivers/platform/x86/amd-pmc.c @@ -508,7 +508,8 @@ static int __maybe_unused amd_pmc_resume(struct device *dev) } static const struct dev_pm_ops amd_pmc_pm_ops = { - SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(amd_pmc_suspend, amd_pmc_resume) + .suspend_noirq = amd_pmc_suspend, + .resume_noirq = amd_pmc_resume, }; static const struct pci_device_id pmc_pci_ids[] = { diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 9aae45a45200..57553f9b4d1d 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -625,7 +625,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) } gmux_data->iostart = res->start; - gmux_data->iolen = res->end - res->start; + gmux_data->iolen = resource_size(res); if (gmux_data->iolen < GMUX_MIN_IO_LEN) { pr_err("gmux I/O region too small (%lu < %u)\n", diff --git a/drivers/platform/x86/intel/Kconfig b/drivers/platform/x86/intel/Kconfig index 38ce3e344589..40096b25994a 100644 --- a/drivers/platform/x86/intel/Kconfig +++ b/drivers/platform/x86/intel/Kconfig @@ -3,19 +3,6 @@ # Intel x86 Platform Specific Drivers # -menuconfig X86_PLATFORM_DRIVERS_INTEL - bool "Intel x86 Platform Specific Device Drivers" - default y - help - Say Y here to get to see options for device drivers for - various Intel x86 platforms, including vendor-specific - drivers. This option alone does not add any kernel code. - - If you say N, all options in this submenu will be skipped - and disabled. - -if X86_PLATFORM_DRIVERS_INTEL - source "drivers/platform/x86/intel/atomisp2/Kconfig" source "drivers/platform/x86/intel/int1092/Kconfig" source "drivers/platform/x86/intel/int33fe/Kconfig" @@ -183,5 +170,3 @@ config INTEL_UNCORE_FREQ_CONTROL To compile this driver as a module, choose M here: the module will be called intel-uncore-frequency. - -endif # X86_PLATFORM_DRIVERS_INTEL diff --git a/drivers/platform/x86/intel/pmc/pltdrv.c b/drivers/platform/x86/intel/pmc/pltdrv.c index 73797680b895..15ca8afdd973 100644 --- a/drivers/platform/x86/intel/pmc/pltdrv.c +++ b/drivers/platform/x86/intel/pmc/pltdrv.c @@ -65,7 +65,7 @@ static int __init pmc_core_platform_init(void) retval = platform_device_register(pmc_core_device); if (retval) - kfree(pmc_core_device); + platform_device_put(pmc_core_device); return retval; } diff --git a/drivers/platform/x86/system76_acpi.c b/drivers/platform/x86/system76_acpi.c index 8b292ee95a14..7299ad08c838 100644 --- a/drivers/platform/x86/system76_acpi.c +++ b/drivers/platform/x86/system76_acpi.c @@ -35,6 +35,7 @@ struct system76_data { union acpi_object *nfan; union acpi_object *ntmp; struct input_dev *input; + bool has_open_ec; }; static const struct acpi_device_id device_ids[] = { @@ -279,20 +280,12 @@ static struct acpi_battery_hook system76_battery_hook = { static void system76_battery_init(void) { - acpi_handle handle; - - handle = ec_get_handle(); - if (handle && acpi_has_method(handle, "GBCT")) - battery_hook_register(&system76_battery_hook); + battery_hook_register(&system76_battery_hook); } static void system76_battery_exit(void) { - acpi_handle handle; - - handle = ec_get_handle(); - if (handle && acpi_has_method(handle, "GBCT")) - battery_hook_unregister(&system76_battery_hook); + battery_hook_unregister(&system76_battery_hook); } // Get the airplane mode LED brightness @@ -673,6 +666,10 @@ static int system76_add(struct acpi_device *acpi_dev) acpi_dev->driver_data = data; data->acpi_dev = acpi_dev; + // Some models do not run open EC firmware. Check for an ACPI method + // that only exists on open EC to guard functionality specific to it. + data->has_open_ec = acpi_has_method(acpi_device_handle(data->acpi_dev), "NFAN"); + err = system76_get(data, "INIT"); if (err) return err; @@ -718,27 +715,31 @@ static int system76_add(struct acpi_device *acpi_dev) if (err) goto error; - err = system76_get_object(data, "NFAN", &data->nfan); - if (err) - goto error; + if (data->has_open_ec) { + err = system76_get_object(data, "NFAN", &data->nfan); + if (err) + goto error; - err = system76_get_object(data, "NTMP", &data->ntmp); - if (err) - goto error; + err = system76_get_object(data, "NTMP", &data->ntmp); + if (err) + goto error; - data->therm = devm_hwmon_device_register_with_info(&acpi_dev->dev, - "system76_acpi", data, &thermal_chip_info, NULL); - err = PTR_ERR_OR_ZERO(data->therm); - if (err) - goto error; + data->therm = devm_hwmon_device_register_with_info(&acpi_dev->dev, + "system76_acpi", data, &thermal_chip_info, NULL); + err = PTR_ERR_OR_ZERO(data->therm); + if (err) + goto error; - system76_battery_init(); + system76_battery_init(); + } return 0; error: - kfree(data->ntmp); - kfree(data->nfan); + if (data->has_open_ec) { + kfree(data->ntmp); + kfree(data->nfan); + } return err; } @@ -749,14 +750,15 @@ static int system76_remove(struct acpi_device *acpi_dev) data = acpi_driver_data(acpi_dev); - system76_battery_exit(); + if (data->has_open_ec) { + system76_battery_exit(); + kfree(data->nfan); + kfree(data->ntmp); + } devm_led_classdev_unregister(&acpi_dev->dev, &data->ap_led); devm_led_classdev_unregister(&acpi_dev->dev, &data->kb_led); - kfree(data->nfan); - kfree(data->ntmp); - system76_get(data, "FINI"); return 0; diff --git a/drivers/reset/tegra/reset-bpmp.c b/drivers/reset/tegra/reset-bpmp.c index 4c5bba52b105..24d3395964cc 100644 --- a/drivers/reset/tegra/reset-bpmp.c +++ b/drivers/reset/tegra/reset-bpmp.c @@ -20,7 +20,6 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc, struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc); struct mrq_reset_request request; struct tegra_bpmp_message msg; - int err; memset(&request, 0, sizeof(request)); request.cmd = command; @@ -31,13 +30,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc, msg.tx.data = &request; msg.tx.size = sizeof(request); - err = tegra_bpmp_transfer(bpmp, &msg); - if (err) - return err; - if (msg.rx.ret) - return -EINVAL; - - return 0; + return tegra_bpmp_transfer(bpmp, &msg); } static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc, diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index b9f6d83ff380..2101fc5761c3 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -3053,7 +3053,6 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) struct smp_completion_resp *psmpPayload; struct task_status_struct *ts; struct pm8001_device *pm8001_dev; - char *pdma_respaddr = NULL; psmpPayload = (struct smp_completion_resp *)(piomb + 4); status = le32_to_cpu(psmpPayload->status); @@ -3080,19 +3079,23 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) if (pm8001_dev) atomic_dec(&pm8001_dev->running_req); if (pm8001_ha->smp_exp_mode == SMP_DIRECT) { + struct scatterlist *sg_resp = &t->smp_task.smp_resp; + u8 *payload; + void *to; + pm8001_dbg(pm8001_ha, IO, "DIRECT RESPONSE Length:%d\n", param); - pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64 - ((u64)sg_dma_address - (&t->smp_task.smp_resp)))); + to = kmap_atomic(sg_page(sg_resp)); + payload = to + sg_resp->offset; for (i = 0; i < param; i++) { - *(pdma_respaddr+i) = psmpPayload->_r_a[i]; + *(payload + i) = psmpPayload->_r_a[i]; pm8001_dbg(pm8001_ha, IO, "SMP Byte%d DMA data 0x%x psmp 0x%x\n", - i, *(pdma_respaddr + i), + i, *(payload + i), psmpPayload->_r_a[i]); } + kunmap_atomic(to); } break; case IO_ABORTED: @@ -4236,14 +4239,14 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, struct sas_task *task = ccb->task; struct domain_device *dev = task->dev; struct pm8001_device *pm8001_dev = dev->lldd_dev; - struct scatterlist *sg_req, *sg_resp; + struct scatterlist *sg_req, *sg_resp, *smp_req; u32 req_len, resp_len; struct smp_req smp_cmd; u32 opc; struct inbound_queue_table *circularQ; - char *preq_dma_addr = NULL; - __le64 tmp_addr; u32 i, length; + u8 *payload; + u8 *to; memset(&smp_cmd, 0, sizeof(smp_cmd)); /* @@ -4280,8 +4283,9 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, pm8001_ha->smp_exp_mode = SMP_INDIRECT; - tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req)); - preq_dma_addr = (char *)phys_to_virt(tmp_addr); + smp_req = &task->smp_task.smp_req; + to = kmap_atomic(sg_page(smp_req)); + payload = to + smp_req->offset; /* INDIRECT MODE command settings. Use DMA */ if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) { @@ -4289,7 +4293,7 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, /* for SPCv indirect mode. Place the top 4 bytes of * SMP Request header here. */ for (i = 0; i < 4; i++) - smp_cmd.smp_req16[i] = *(preq_dma_addr + i); + smp_cmd.smp_req16[i] = *(payload + i); /* exclude top 4 bytes for SMP req header */ smp_cmd.long_smp_req.long_req_addr = cpu_to_le64((u64)sg_dma_address @@ -4320,20 +4324,20 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n"); for (i = 0; i < length; i++) if (i < 16) { - smp_cmd.smp_req16[i] = *(preq_dma_addr+i); + smp_cmd.smp_req16[i] = *(payload + i); pm8001_dbg(pm8001_ha, IO, "Byte[%d]:%x (DMA data:%x)\n", i, smp_cmd.smp_req16[i], - *(preq_dma_addr)); + *(payload)); } else { - smp_cmd.smp_req[i] = *(preq_dma_addr+i); + smp_cmd.smp_req[i] = *(payload + i); pm8001_dbg(pm8001_ha, IO, "Byte[%d]:%x (DMA data:%x)\n", i, smp_cmd.smp_req[i], - *(preq_dma_addr)); + *(payload)); } } - + kunmap_atomic(to); build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd, pm8001_ha->smp_exp_mode, length); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd, diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c index 519b3651d1d9..c2f076b56e24 100644 --- a/drivers/soc/imx/imx8m-blk-ctrl.c +++ b/drivers/soc/imx/imx8m-blk-ctrl.c @@ -17,6 +17,7 @@ #define BLK_SFT_RSTN 0x0 #define BLK_CLK_EN 0x4 +#define BLK_MIPI_RESET_DIV 0x8 /* Mini/Nano DISPLAY_BLK_CTRL only */ struct imx8m_blk_ctrl_domain; @@ -36,6 +37,15 @@ struct imx8m_blk_ctrl_domain_data { const char *gpc_name; u32 rst_mask; u32 clk_mask; + + /* + * i.MX8M Mini and Nano have a third DISPLAY_BLK_CTRL register + * which is used to control the reset for the MIPI Phy. + * Since it's only present in certain circumstances, + * an if-statement should be used before setting and clearing this + * register. + */ + u32 mipi_phy_rst_mask; }; #define DOMAIN_MAX_CLKS 3 @@ -78,6 +88,8 @@ static int imx8m_blk_ctrl_power_on(struct generic_pm_domain *genpd) /* put devices into reset */ regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask); + if (data->mipi_phy_rst_mask) + regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask); /* enable upstream and blk-ctrl clocks to allow reset to propagate */ ret = clk_bulk_prepare_enable(data->num_clks, domain->clks); @@ -99,6 +111,8 @@ static int imx8m_blk_ctrl_power_on(struct generic_pm_domain *genpd) /* release reset */ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask); + if (data->mipi_phy_rst_mask) + regmap_set_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask); /* disable upstream clocks */ clk_bulk_disable_unprepare(data->num_clks, domain->clks); @@ -120,6 +134,9 @@ static int imx8m_blk_ctrl_power_off(struct generic_pm_domain *genpd) struct imx8m_blk_ctrl *bc = domain->bc; /* put devices into reset and disable clocks */ + if (data->mipi_phy_rst_mask) + regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask); + regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask); regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask); @@ -480,6 +497,7 @@ static const struct imx8m_blk_ctrl_domain_data imx8mm_disp_blk_ctl_domain_data[] .gpc_name = "mipi-dsi", .rst_mask = BIT(5), .clk_mask = BIT(8) | BIT(9), + .mipi_phy_rst_mask = BIT(17), }, [IMX8MM_DISPBLK_PD_MIPI_CSI] = { .name = "dispblk-mipi-csi", @@ -488,6 +506,7 @@ static const struct imx8m_blk_ctrl_domain_data imx8mm_disp_blk_ctl_domain_data[] .gpc_name = "mipi-csi", .rst_mask = BIT(3) | BIT(4), .clk_mask = BIT(10) | BIT(11), + .mipi_phy_rst_mask = BIT(16), }, }; diff --git a/drivers/soc/imx/soc-imx.c b/drivers/soc/imx/soc-imx.c index ac6d856ba228..77bc12039c3d 100644 --- a/drivers/soc/imx/soc-imx.c +++ b/drivers/soc/imx/soc-imx.c @@ -36,6 +36,10 @@ static int __init imx_soc_device_init(void) int ret; int i; + /* Return early if this is running on devices with different SoCs */ + if (!__mxc_cpu_type) + return 0; + if (of_machine_is_compatible("fsl,ls1021a")) return 0; diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index f2151815db58..e714ed3b61bc 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -320,7 +320,7 @@ static struct platform_driver tegra_fuse_driver = { }; builtin_platform_driver(tegra_fuse_driver); -bool __init tegra_fuse_read_spare(unsigned int spare) +u32 __init tegra_fuse_read_spare(unsigned int spare) { unsigned int offset = fuse->soc->info->spare + spare * 4; diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index de58feba0435..ecff0c08e959 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -65,7 +65,7 @@ struct tegra_fuse { void tegra_init_revision(void); void tegra_init_apbmisc(void); -bool __init tegra_fuse_read_spare(unsigned int spare); +u32 __init tegra_fuse_read_spare(unsigned int spare); u32 __init tegra_fuse_read_early(unsigned int offset); u8 tegra_get_major_rev(void); diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c index 46feafe4e201..d8cc4b270644 100644 --- a/drivers/spi/spi-armada-3700.c +++ b/drivers/spi/spi-armada-3700.c @@ -901,7 +901,7 @@ static int a3700_spi_probe(struct platform_device *pdev) return 0; error_clk: - clk_disable_unprepare(spi->clk); + clk_unprepare(spi->clk); error: spi_master_put(master); out: diff --git a/drivers/tee/amdtee/core.c b/drivers/tee/amdtee/core.c index da6b88e80dc0..297dc62bca29 100644 --- a/drivers/tee/amdtee/core.c +++ b/drivers/tee/amdtee/core.c @@ -203,9 +203,8 @@ static int copy_ta_binary(struct tee_context *ctx, void *ptr, void **ta, *ta_size = roundup(fw->size, PAGE_SIZE); *ta = (void *)__get_free_pages(GFP_KERNEL, get_order(*ta_size)); - if (IS_ERR(*ta)) { - pr_err("%s: get_free_pages failed 0x%llx\n", __func__, - (u64)*ta); + if (!*ta) { + pr_err("%s: get_free_pages failed\n", __func__); rc = -ENOMEM; goto rel_fw; } diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index ab2edfcc6c70..2a66a5203d2f 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -48,10 +48,8 @@ int optee_pool_op_alloc_helper(struct tee_shm_pool_mgr *poolm, goto err; } - for (i = 0; i < nr_pages; i++) { - pages[i] = page; - page++; - } + for (i = 0; i < nr_pages; i++) + pages[i] = page + i; shm->flags |= TEE_SHM_REGISTER; rc = shm_register(shm->ctx, shm, pages, nr_pages, diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c index 6196d7c3888f..cf2e3293567d 100644 --- a/drivers/tee/optee/smc_abi.c +++ b/drivers/tee/optee/smc_abi.c @@ -23,6 +23,7 @@ #include "optee_private.h" #include "optee_smc.h" #include "optee_rpc_cmd.h" +#include <linux/kmemleak.h> #define CREATE_TRACE_POINTS #include "optee_trace.h" @@ -783,6 +784,7 @@ static void optee_handle_rpc(struct tee_context *ctx, param->a4 = 0; param->a5 = 0; } + kmemleak_not_leak(shm); break; case OPTEE_SMC_RPC_FUNC_FREE: shm = reg_pair_to_ptr(param->a1, param->a2); diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 8a8deb95e918..499fccba3d74 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -1,20 +1,17 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2015-2016, Linaro Limited + * Copyright (c) 2015-2017, 2019-2021 Linaro Limited */ +#include <linux/anon_inodes.h> #include <linux/device.h> -#include <linux/dma-buf.h> -#include <linux/fdtable.h> #include <linux/idr.h> +#include <linux/mm.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/tee_drv.h> #include <linux/uio.h> -#include <linux/module.h> #include "tee_private.h" -MODULE_IMPORT_NS(DMA_BUF); - static void release_registered_pages(struct tee_shm *shm) { if (shm->pages) { @@ -31,16 +28,8 @@ static void release_registered_pages(struct tee_shm *shm) } } -static void tee_shm_release(struct tee_shm *shm) +static void tee_shm_release(struct tee_device *teedev, struct tee_shm *shm) { - struct tee_device *teedev = shm->ctx->teedev; - - if (shm->flags & TEE_SHM_DMA_BUF) { - mutex_lock(&teedev->mutex); - idr_remove(&teedev->idr, shm->id); - mutex_unlock(&teedev->mutex); - } - if (shm->flags & TEE_SHM_POOL) { struct tee_shm_pool_mgr *poolm; @@ -67,45 +56,6 @@ static void tee_shm_release(struct tee_shm *shm) tee_device_put(teedev); } -static struct sg_table *tee_shm_op_map_dma_buf(struct dma_buf_attachment - *attach, enum dma_data_direction dir) -{ - return NULL; -} - -static void tee_shm_op_unmap_dma_buf(struct dma_buf_attachment *attach, - struct sg_table *table, - enum dma_data_direction dir) -{ -} - -static void tee_shm_op_release(struct dma_buf *dmabuf) -{ - struct tee_shm *shm = dmabuf->priv; - - tee_shm_release(shm); -} - -static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) -{ - struct tee_shm *shm = dmabuf->priv; - size_t size = vma->vm_end - vma->vm_start; - - /* Refuse sharing shared memory provided by application */ - if (shm->flags & TEE_SHM_USER_MAPPED) - return -EINVAL; - - return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT, - size, vma->vm_page_prot); -} - -static const struct dma_buf_ops tee_shm_dma_buf_ops = { - .map_dma_buf = tee_shm_op_map_dma_buf, - .unmap_dma_buf = tee_shm_op_unmap_dma_buf, - .release = tee_shm_op_release, - .mmap = tee_shm_op_mmap, -}; - struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags) { struct tee_device *teedev = ctx->teedev; @@ -140,6 +90,7 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags) goto err_dev_put; } + refcount_set(&shm->refcount, 1); shm->flags = flags | TEE_SHM_POOL; shm->ctx = ctx; if (flags & TEE_SHM_DMA_BUF) @@ -153,10 +104,7 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags) goto err_kfree; } - if (flags & TEE_SHM_DMA_BUF) { - DEFINE_DMA_BUF_EXPORT_INFO(exp_info); - mutex_lock(&teedev->mutex); shm->id = idr_alloc(&teedev->idr, shm, 1, 0, GFP_KERNEL); mutex_unlock(&teedev->mutex); @@ -164,28 +112,11 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags) ret = ERR_PTR(shm->id); goto err_pool_free; } - - exp_info.ops = &tee_shm_dma_buf_ops; - exp_info.size = shm->size; - exp_info.flags = O_RDWR; - exp_info.priv = shm; - - shm->dmabuf = dma_buf_export(&exp_info); - if (IS_ERR(shm->dmabuf)) { - ret = ERR_CAST(shm->dmabuf); - goto err_rem; - } } teedev_ctx_get(ctx); return shm; -err_rem: - if (flags & TEE_SHM_DMA_BUF) { - mutex_lock(&teedev->mutex); - idr_remove(&teedev->idr, shm->id); - mutex_unlock(&teedev->mutex); - } err_pool_free: poolm->ops->free(poolm, shm); err_kfree: @@ -246,6 +177,7 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, goto err; } + refcount_set(&shm->refcount, 1); shm->flags = flags | TEE_SHM_REGISTER; shm->ctx = ctx; shm->id = -1; @@ -306,22 +238,6 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, goto err; } - if (flags & TEE_SHM_DMA_BUF) { - DEFINE_DMA_BUF_EXPORT_INFO(exp_info); - - exp_info.ops = &tee_shm_dma_buf_ops; - exp_info.size = shm->size; - exp_info.flags = O_RDWR; - exp_info.priv = shm; - - shm->dmabuf = dma_buf_export(&exp_info); - if (IS_ERR(shm->dmabuf)) { - ret = ERR_CAST(shm->dmabuf); - teedev->desc->ops->shm_unregister(ctx, shm); - goto err; - } - } - return shm; err: if (shm) { @@ -339,6 +255,35 @@ err: } EXPORT_SYMBOL_GPL(tee_shm_register); +static int tee_shm_fop_release(struct inode *inode, struct file *filp) +{ + tee_shm_put(filp->private_data); + return 0; +} + +static int tee_shm_fop_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct tee_shm *shm = filp->private_data; + size_t size = vma->vm_end - vma->vm_start; + + /* Refuse sharing shared memory provided by application */ + if (shm->flags & TEE_SHM_USER_MAPPED) + return -EINVAL; + + /* check for overflowing the buffer's size */ + if (vma->vm_pgoff + vma_pages(vma) > shm->size >> PAGE_SHIFT) + return -EINVAL; + + return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT, + size, vma->vm_page_prot); +} + +static const struct file_operations tee_shm_fops = { + .owner = THIS_MODULE, + .release = tee_shm_fop_release, + .mmap = tee_shm_fop_mmap, +}; + /** * tee_shm_get_fd() - Increase reference count and return file descriptor * @shm: Shared memory handle @@ -351,10 +296,11 @@ int tee_shm_get_fd(struct tee_shm *shm) if (!(shm->flags & TEE_SHM_DMA_BUF)) return -EINVAL; - get_dma_buf(shm->dmabuf); - fd = dma_buf_fd(shm->dmabuf, O_CLOEXEC); + /* matched by tee_shm_put() in tee_shm_op_release() */ + refcount_inc(&shm->refcount); + fd = anon_inode_getfd("tee_shm", &tee_shm_fops, shm, O_RDWR); if (fd < 0) - dma_buf_put(shm->dmabuf); + tee_shm_put(shm); return fd; } @@ -364,17 +310,7 @@ int tee_shm_get_fd(struct tee_shm *shm) */ void tee_shm_free(struct tee_shm *shm) { - /* - * dma_buf_put() decreases the dmabuf reference counter and will - * call tee_shm_release() when the last reference is gone. - * - * In the case of driver private memory we call tee_shm_release - * directly instead as it doesn't have a reference counter. - */ - if (shm->flags & TEE_SHM_DMA_BUF) - dma_buf_put(shm->dmabuf); - else - tee_shm_release(shm); + tee_shm_put(shm); } EXPORT_SYMBOL_GPL(tee_shm_free); @@ -481,10 +417,15 @@ struct tee_shm *tee_shm_get_from_id(struct tee_context *ctx, int id) teedev = ctx->teedev; mutex_lock(&teedev->mutex); shm = idr_find(&teedev->idr, id); + /* + * If the tee_shm was found in the IDR it must have a refcount + * larger than 0 due to the guarantee in tee_shm_put() below. So + * it's safe to use refcount_inc(). + */ if (!shm || shm->ctx != ctx) shm = ERR_PTR(-EINVAL); - else if (shm->flags & TEE_SHM_DMA_BUF) - get_dma_buf(shm->dmabuf); + else + refcount_inc(&shm->refcount); mutex_unlock(&teedev->mutex); return shm; } @@ -496,7 +437,24 @@ EXPORT_SYMBOL_GPL(tee_shm_get_from_id); */ void tee_shm_put(struct tee_shm *shm) { - if (shm->flags & TEE_SHM_DMA_BUF) - dma_buf_put(shm->dmabuf); + struct tee_device *teedev = shm->ctx->teedev; + bool do_release = false; + + mutex_lock(&teedev->mutex); + if (refcount_dec_and_test(&shm->refcount)) { + /* + * refcount has reached 0, we must now remove it from the + * IDR before releasing the mutex. This will guarantee that + * the refcount_inc() in tee_shm_get_from_id() never starts + * from 0. + */ + if (shm->flags & TEE_SHM_DMA_BUF) + idr_remove(&teedev->idr, shm->id); + do_release = true; + } + mutex_unlock(&teedev->mutex); + + if (do_release) + tee_shm_release(teedev, shm); } EXPORT_SYMBOL_GPL(tee_shm_put); diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 71e0dd2c0ce5..ebaf7500f48f 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -37,6 +37,8 @@ struct xencons_info { struct xenbus_device *xbdev; struct xencons_interface *intf; unsigned int evtchn; + XENCONS_RING_IDX out_cons; + unsigned int out_cons_same; struct hvc_struct *hvc; int irq; int vtermno; @@ -138,6 +140,8 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len) XENCONS_RING_IDX cons, prod; int recv = 0; struct xencons_info *xencons = vtermno_to_xencons(vtermno); + unsigned int eoiflag = 0; + if (xencons == NULL) return -EINVAL; intf = xencons->intf; @@ -157,7 +161,27 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len) mb(); /* read ring before consuming */ intf->in_cons = cons; - notify_daemon(xencons); + /* + * When to mark interrupt having been spurious: + * - there was no new data to be read, and + * - the backend did not consume some output bytes, and + * - the previous round with no read data didn't see consumed bytes + * (we might have a race with an interrupt being in flight while + * updating xencons->out_cons, so account for that by allowing one + * round without any visible reason) + */ + if (intf->out_cons != xencons->out_cons) { + xencons->out_cons = intf->out_cons; + xencons->out_cons_same = 0; + } + if (recv) { + notify_daemon(xencons); + } else if (xencons->out_cons_same++ > 1) { + eoiflag = XEN_EOI_FLAG_SPURIOUS; + } + + xen_irq_lateeoi(xencons->irq, eoiflag); + return recv; } @@ -386,7 +410,7 @@ static int xencons_connect_backend(struct xenbus_device *dev, if (ret) return ret; info->evtchn = evtchn; - irq = bind_evtchn_to_irq(evtchn); + irq = bind_interdomain_evtchn_to_irq_lateeoi(dev, evtchn); if (irq < 0) return irq; info->irq = irq; @@ -551,7 +575,7 @@ static int __init xen_hvc_init(void) return r; info = vtermno_to_xencons(HVC_COOKIE); - info->irq = bind_evtchn_to_irq(info->evtchn); + info->irq = bind_evtchn_to_irq_lateeoi(info->evtchn); } if (info->irq < 0) info->irq = 0; /* NO_IRQ */ diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index 7e0884ecc74f..23ba1fc99df8 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -140,6 +140,8 @@ struct n_hdlc { struct n_hdlc_buf_list rx_buf_list; struct n_hdlc_buf_list tx_free_buf_list; struct n_hdlc_buf_list rx_free_buf_list; + struct work_struct write_work; + struct tty_struct *tty_for_write_work; }; /* @@ -154,6 +156,7 @@ static struct n_hdlc_buf *n_hdlc_buf_get(struct n_hdlc_buf_list *list); /* Local functions */ static struct n_hdlc *n_hdlc_alloc(void); +static void n_hdlc_tty_write_work(struct work_struct *work); /* max frame size for memory allocations */ static int maxframe = 4096; @@ -210,6 +213,8 @@ static void n_hdlc_tty_close(struct tty_struct *tty) wake_up_interruptible(&tty->read_wait); wake_up_interruptible(&tty->write_wait); + cancel_work_sync(&n_hdlc->write_work); + n_hdlc_free_buf_list(&n_hdlc->rx_free_buf_list); n_hdlc_free_buf_list(&n_hdlc->tx_free_buf_list); n_hdlc_free_buf_list(&n_hdlc->rx_buf_list); @@ -241,6 +246,8 @@ static int n_hdlc_tty_open(struct tty_struct *tty) return -ENFILE; } + INIT_WORK(&n_hdlc->write_work, n_hdlc_tty_write_work); + n_hdlc->tty_for_write_work = tty; tty->disc_data = n_hdlc; tty->receive_room = 65536; @@ -335,6 +342,20 @@ check_again: } /* end of n_hdlc_send_frames() */ /** + * n_hdlc_tty_write_work - Asynchronous callback for transmit wakeup + * @work: pointer to work_struct + * + * Called when low level device driver can accept more send data. + */ +static void n_hdlc_tty_write_work(struct work_struct *work) +{ + struct n_hdlc *n_hdlc = container_of(work, struct n_hdlc, write_work); + struct tty_struct *tty = n_hdlc->tty_for_write_work; + + n_hdlc_send_frames(n_hdlc, tty); +} /* end of n_hdlc_tty_write_work() */ + +/** * n_hdlc_tty_wakeup - Callback for transmit wakeup * @tty: pointer to associated tty instance data * @@ -344,7 +365,7 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty) { struct n_hdlc *n_hdlc = tty->disc_data; - n_hdlc_send_frames(n_hdlc, tty); + schedule_work(&n_hdlc->write_work); } /* end of n_hdlc_tty_wakeup() */ /** diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index f1324fe99378..92e3433276f8 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -727,10 +727,24 @@ static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level, static int acpi_serdev_register_devices(struct serdev_controller *ctrl) { acpi_status status; + bool skip; + int ret; if (!has_acpi_companion(ctrl->dev.parent)) return -ENODEV; + /* + * Skip registration on boards where the ACPI tables are known to + * contain buggy devices. Note serdev_controller_add() must still + * succeed in this case, so that the proper serdev devices can be + * added "manually" later. + */ + ret = acpi_quirk_skip_serdev_enumeration(ctrl->dev.parent, &skip); + if (ret) + return ret; + if (skip) + return 0; + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, SERDEV_ACPI_MAX_SCAN_DEPTH, acpi_serdev_add_device, NULL, ctrl, NULL); diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c index 31c9e83ea3cb..251f0018ae8c 100644 --- a/drivers/tty/serial/8250/8250_fintek.c +++ b/drivers/tty/serial/8250/8250_fintek.c @@ -290,25 +290,6 @@ static void fintek_8250_set_max_fifo(struct fintek_8250 *pdata) } } -static void fintek_8250_goto_highspeed(struct uart_8250_port *uart, - struct fintek_8250 *pdata) -{ - sio_write_reg(pdata, LDN, pdata->index); - - switch (pdata->pid) { - case CHIP_ID_F81966: - case CHIP_ID_F81866: /* set uart clock for high speed serial mode */ - sio_write_mask_reg(pdata, F81866_UART_CLK, - F81866_UART_CLK_MASK, - F81866_UART_CLK_14_769MHZ); - - uart->port.uartclk = 921600 * 16; - break; - default: /* leave clock speed untouched */ - break; - } -} - static void fintek_8250_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) @@ -430,7 +411,6 @@ static int probe_setup_port(struct fintek_8250 *pdata, fintek_8250_set_irq_mode(pdata, level_mode); fintek_8250_set_max_fifo(pdata); - fintek_8250_goto_highspeed(uart, pdata); fintek_8250_exit_key(addr[i]); diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c index 27df0c697897..e85bf768c66d 100644 --- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -1541,15 +1541,27 @@ static int cdnsp_gadget_pullup(struct usb_gadget *gadget, int is_on) { struct cdnsp_device *pdev = gadget_to_cdnsp(gadget); struct cdns *cdns = dev_get_drvdata(pdev->dev); + unsigned long flags; trace_cdnsp_pullup(is_on); + /* + * Disable events handling while controller is being + * enabled/disabled. + */ + disable_irq(cdns->dev_irq); + spin_lock_irqsave(&pdev->lock, flags); + if (!is_on) { cdnsp_reset_device(pdev); cdns_clear_vbus(cdns); } else { cdns_set_vbus(cdns); } + + spin_unlock_irqrestore(&pdev->lock, flags); + enable_irq(cdns->dev_irq); + return 0; } diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c index 1b1438457fb0..e45c3d6e1536 100644 --- a/drivers/usb/cdns3/cdnsp-ring.c +++ b/drivers/usb/cdns3/cdnsp-ring.c @@ -1029,6 +1029,8 @@ static void cdnsp_process_ctrl_td(struct cdnsp_device *pdev, return; } + *status = 0; + cdnsp_finish_td(pdev, td, event, pep, status); } @@ -1523,7 +1525,14 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data) spin_lock_irqsave(&pdev->lock, flags); if (pdev->cdnsp_state & (CDNSP_STATE_HALTED | CDNSP_STATE_DYING)) { - cdnsp_died(pdev); + /* + * While removing or stopping driver there may still be deferred + * not handled interrupt which should not be treated as error. + * Driver should simply ignore it. + */ + if (pdev->gadget_driver) + cdnsp_died(pdev); + spin_unlock_irqrestore(&pdev->lock, flags); return IRQ_HANDLED; } diff --git a/drivers/usb/cdns3/cdnsp-trace.h b/drivers/usb/cdns3/cdnsp-trace.h index 6a2571c6aa9e..5983dfb99653 100644 --- a/drivers/usb/cdns3/cdnsp-trace.h +++ b/drivers/usb/cdns3/cdnsp-trace.h @@ -57,9 +57,9 @@ DECLARE_EVENT_CLASS(cdnsp_log_ep, __entry->first_prime_det = pep->stream_info.first_prime_det; __entry->drbls_count = pep->stream_info.drbls_count; ), - TP_printk("%s: SID: %08x ep state: %x stream: enabled: %d num %d " + TP_printk("%s: SID: %08x, ep state: %x, stream: enabled: %d num %d " "tds %d, first prime: %d drbls %d", - __get_str(name), __entry->state, __entry->stream_id, + __get_str(name), __entry->stream_id, __entry->state, __entry->enabled, __entry->num_streams, __entry->td_count, __entry->first_prime_det, __entry->drbls_count) ); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 019351c0b52c..d3c14b5ed4a1 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -434,6 +434,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1532, 0x0116), .driver_info = USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, + /* Lenovo USB-C to Ethernet Adapter RTL8153-04 */ + { USB_DEVICE(0x17ef, 0x720c), .driver_info = USB_QUIRK_NO_LPM }, + /* Lenovo Powered USB-C Travel Hub (4X90S92381, RTL8153 GigE) */ { USB_DEVICE(0x17ef, 0x721e), .driver_info = USB_QUIRK_NO_LPM }, diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index c8f18f3ba9e3..c331a5128c2c 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -575,6 +575,9 @@ static int dwc2_driver_probe(struct platform_device *dev) ggpio |= GGPIO_STM32_OTG_GCCFG_IDEN; ggpio |= GGPIO_STM32_OTG_GCCFG_VBDEN; dwc2_writel(hsotg, ggpio, GGPIO); + + /* ID/VBUS detection startup time */ + usleep_range(5000, 7000); } retval = dwc2_drd_init(hsotg); diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c index 933d77ad0a64..4502108069cd 100644 --- a/drivers/usb/early/xhci-dbc.c +++ b/drivers/usb/early/xhci-dbc.c @@ -14,7 +14,6 @@ #include <linux/pci_ids.h> #include <linux/memblock.h> #include <linux/io.h> -#include <linux/iopoll.h> #include <asm/pci-direct.h> #include <asm/fixmap.h> #include <linux/bcd.h> @@ -136,9 +135,17 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, int wait, int delay) { u32 result; - return readl_poll_timeout_atomic(ptr, result, - ((result & mask) == done), - delay, wait); + /* Can not use readl_poll_timeout_atomic() for early boot things */ + do { + result = readl(ptr); + result &= mask; + if (result == done) + return 0; + udelay(delay); + wait -= delay; + } while (wait > 0); + + return -ETIMEDOUT; } static void __init xdbc_bios_handoff(void) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 284eea9f6e4d..3789c329183c 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1680,14 +1680,14 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) u8 endp; if (w_length > USB_COMP_EP0_BUFSIZ) { - if (ctrl->bRequestType == USB_DIR_OUT) { - goto done; - } else { + if (ctrl->bRequestType & USB_DIR_IN) { /* Cast away the const, we are going to overwrite on purpose. */ __le16 *temp = (__le16 *)&ctrl->wLength; *temp = cpu_to_le16(USB_COMP_EP0_BUFSIZ); w_length = USB_COMP_EP0_BUFSIZ; + } else { + goto done; } } diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index e0ad5aed6ac9..6f5d45ef2e39 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -17,6 +17,7 @@ #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> +#include <linux/etherdevice.h> #include "u_ether.h" @@ -863,19 +864,23 @@ int gether_register_netdev(struct net_device *net) { struct eth_dev *dev; struct usb_gadget *g; - struct sockaddr sa; int status; if (!net->dev.parent) return -EINVAL; dev = netdev_priv(net); g = dev->gadget; + + net->addr_assign_type = NET_ADDR_RANDOM; + eth_hw_addr_set(net, dev->dev_mac); + status = register_netdev(net); if (status < 0) { dev_dbg(&g->dev, "register_netdev failed, %d\n", status); return status; } else { INFO(dev, "HOST MAC %pM\n", dev->host_mac); + INFO(dev, "MAC %pM\n", dev->dev_mac); /* two kinds of host-initiated state changes: * - iff DATA transfer is active, carrier is "on" @@ -883,15 +888,6 @@ int gether_register_netdev(struct net_device *net) */ netif_carrier_off(net); } - sa.sa_family = net->type; - memcpy(sa.sa_data, dev->dev_mac, ETH_ALEN); - rtnl_lock(); - status = dev_set_mac_address(net, &sa, NULL); - rtnl_unlock(); - if (status) - pr_warn("cannot set self ethernet address: %d\n", status); - else - INFO(dev, "MAC %pM\n", dev->dev_mac); return status; } diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c index 355bc7dab9d5..6bcbad382580 100644 --- a/drivers/usb/gadget/legacy/dbgp.c +++ b/drivers/usb/gadget/legacy/dbgp.c @@ -346,14 +346,14 @@ static int dbgp_setup(struct usb_gadget *gadget, u16 len = 0; if (length > DBGP_REQ_LEN) { - if (ctrl->bRequestType == USB_DIR_OUT) { - return err; - } else { + if (ctrl->bRequestType & USB_DIR_IN) { /* Cast away the const, we are going to overwrite on purpose. */ __le16 *temp = (__le16 *)&ctrl->wLength; *temp = cpu_to_le16(DBGP_REQ_LEN); length = DBGP_REQ_LEN; + } else { + return err; } } diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 63150e3889ef..3b58f4fc0a80 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1334,14 +1334,14 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) u16 w_length = le16_to_cpu(ctrl->wLength); if (w_length > RBUF_SIZE) { - if (ctrl->bRequestType == USB_DIR_OUT) { - return value; - } else { + if (ctrl->bRequestType & USB_DIR_IN) { /* Cast away the const, we are going to overwrite on purpose. */ __le16 *temp = (__le16 *)&ctrl->wLength; *temp = cpu_to_le16(RBUF_SIZE); w_length = RBUF_SIZE; + } else { + return value; } } diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 1edef7527c11..edbfa82c6565 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -781,7 +781,7 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) ret = xhci_check_bandwidth(hcd, udev); if (!ret) - INIT_LIST_HEAD(&mtk->bw_ep_chk_list); + list_del_init(&mtk->bw_ep_chk_list); return ret; } diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 92adf6107864..3af017883231 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -71,6 +71,8 @@ #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 0x161e #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 0x15d6 #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 0x15d7 +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_7 0x161c +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_8 0x161f #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 @@ -330,7 +332,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 || pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 || pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 || - pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6)) + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 || + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_7 || + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_8)) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; if (xhci->quirks & XHCI_RESET_ON_RESUME) diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 7705328034ca..8a60c0d56863 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -1635,6 +1635,8 @@ static int cp2105_gpioconf_init(struct usb_serial *serial) /* 2 banks of GPIO - One for the pins taken from each serial port */ if (intf_num == 0) { + priv->gc.ngpio = 2; + if (mode.eci == CP210X_PIN_MODE_MODEM) { /* mark all GPIOs of this interface as reserved */ priv->gpio_altfunc = 0xff; @@ -1645,8 +1647,9 @@ static int cp2105_gpioconf_init(struct usb_serial *serial) priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & CP210X_ECI_GPIO_MODE_MASK) >> CP210X_ECI_GPIO_MODE_OFFSET); - priv->gc.ngpio = 2; } else if (intf_num == 1) { + priv->gc.ngpio = 3; + if (mode.sci == CP210X_PIN_MODE_MODEM) { /* mark all GPIOs of this interface as reserved */ priv->gpio_altfunc = 0xff; @@ -1657,7 +1660,6 @@ static int cp2105_gpioconf_init(struct usb_serial *serial) priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & CP210X_SCI_GPIO_MODE_MASK) >> CP210X_SCI_GPIO_MODE_OFFSET); - priv->gc.ngpio = 3; } else { return -ENODEV; } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 546fce4617a8..42420bfc983c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1219,6 +1219,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */ .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1070, 0xff), /* Telit FN990 (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1071, 0xff), /* Telit FN990 (MBIM) */ + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1072, 0xff), /* Telit FN990 (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990 (ECM) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 6010b9901126..59d4fa2443f2 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -324,6 +324,7 @@ struct tcpm_port { bool attached; bool connected; + bool registered; bool pd_supported; enum typec_port_type port_type; @@ -6291,7 +6292,8 @@ static enum hrtimer_restart state_machine_timer_handler(struct hrtimer *timer) { struct tcpm_port *port = container_of(timer, struct tcpm_port, state_machine_timer); - kthread_queue_work(port->wq, &port->state_machine); + if (port->registered) + kthread_queue_work(port->wq, &port->state_machine); return HRTIMER_NORESTART; } @@ -6299,7 +6301,8 @@ static enum hrtimer_restart vdm_state_machine_timer_handler(struct hrtimer *time { struct tcpm_port *port = container_of(timer, struct tcpm_port, vdm_state_machine_timer); - kthread_queue_work(port->wq, &port->vdm_state_machine); + if (port->registered) + kthread_queue_work(port->wq, &port->vdm_state_machine); return HRTIMER_NORESTART; } @@ -6307,7 +6310,8 @@ static enum hrtimer_restart enable_frs_timer_handler(struct hrtimer *timer) { struct tcpm_port *port = container_of(timer, struct tcpm_port, enable_frs_timer); - kthread_queue_work(port->wq, &port->enable_frs); + if (port->registered) + kthread_queue_work(port->wq, &port->enable_frs); return HRTIMER_NORESTART; } @@ -6315,7 +6319,8 @@ static enum hrtimer_restart send_discover_timer_handler(struct hrtimer *timer) { struct tcpm_port *port = container_of(timer, struct tcpm_port, send_discover_timer); - kthread_queue_work(port->wq, &port->send_discover_work); + if (port->registered) + kthread_queue_work(port->wq, &port->send_discover_work); return HRTIMER_NORESTART; } @@ -6403,6 +6408,7 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) typec_port_register_altmodes(port->typec_port, &tcpm_altmode_ops, port, port->port_altmode, ALTMODE_DISCOVERY_MAX); + port->registered = true; mutex_lock(&port->lock); tcpm_init(port); @@ -6424,6 +6430,9 @@ void tcpm_unregister_port(struct tcpm_port *port) { int i; + port->registered = false; + kthread_destroy_worker(port->wq); + hrtimer_cancel(&port->send_discover_timer); hrtimer_cancel(&port->enable_frs_timer); hrtimer_cancel(&port->vdm_state_machine_timer); @@ -6435,7 +6444,6 @@ void tcpm_unregister_port(struct tcpm_port *port) typec_unregister_port(port->typec_port); usb_role_switch_put(port->role_sw); tcpm_debugfs_exit(port); - kthread_destroy_worker(port->wq); } EXPORT_SYMBOL_GPL(tcpm_unregister_port); diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index 7332a74a4b00..09bbe53c3ac4 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -404,7 +404,8 @@ static int vdpa_mgmtdev_fill(const struct vdpa_mgmt_dev *mdev, struct sk_buff *m goto msg_err; while (mdev->id_table[i].device) { - supported_classes |= BIT(mdev->id_table[i].device); + if (mdev->id_table[i].device <= 63) + supported_classes |= BIT_ULL(mdev->id_table[i].device); i++; } diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index c9204c62f339..eddcb64a910a 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -655,7 +655,8 @@ static void vduse_vdpa_get_config(struct vdpa_device *vdpa, unsigned int offset, { struct vduse_dev *dev = vdpa_to_vduse(vdpa); - if (len > dev->config_size - offset) + if (offset > dev->config_size || + len > dev->config_size - offset) return; memcpy(buf, dev->config + offset, len); @@ -975,7 +976,8 @@ static long vduse_dev_ioctl(struct file *file, unsigned int cmd, break; ret = -EINVAL; - if (config.length == 0 || + if (config.offset > dev->config_size || + config.length == 0 || config.length > dev->config_size - config.offset) break; diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 29cced1cd277..e3c4f059b21a 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -197,7 +197,7 @@ static int vhost_vdpa_config_validate(struct vhost_vdpa *v, struct vdpa_device *vdpa = v->vdpa; long size = vdpa->config->get_config_size(vdpa); - if (c->len == 0) + if (c->len == 0 || c->off > size) return -EINVAL; if (c->len > size - c->off) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 6d2614e34470..028b05d44546 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -268,7 +268,7 @@ size_t virtio_max_dma_size(struct virtio_device *vdev) size_t max_segment_size = SIZE_MAX; if (vring_use_dma_api(vdev)) - max_segment_size = dma_max_mapping_size(&vdev->dev); + max_segment_size = dma_max_mapping_size(vdev->dev.parent); return max_segment_size; } diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index a78704ae3618..46d9295d9a6e 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1251,6 +1251,12 @@ int bind_evtchn_to_irq(evtchn_port_t evtchn) } EXPORT_SYMBOL_GPL(bind_evtchn_to_irq); +int bind_evtchn_to_irq_lateeoi(evtchn_port_t evtchn) +{ + return bind_evtchn_to_irq_chip(evtchn, &xen_lateeoi_chip, NULL); +} +EXPORT_SYMBOL_GPL(bind_evtchn_to_irq_lateeoi); + static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) { struct evtchn_bind_ipi bind_ipi; |