diff options
Diffstat (limited to 'drivers/acpi')
31 files changed, 165 insertions, 87 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index d67f63d93b2a..d65cd08ba8e1 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -132,8 +132,17 @@ config ACPI_REV_OVERRIDE_POSSIBLE makes it possible to force the kernel to return "5" as the supported ACPI revision via the "acpi_rev_override" command line switch. +config ACPI_EC + bool "Embedded Controller" + depends on HAS_IOPORT + default X86 + help + This driver handles communication with the microcontroller + on many x86 laptops and other machines. + config ACPI_EC_DEBUGFS tristate "EC read/write access through /sys/kernel/debug/ec" + depends on ACPI_EC help Say N to disable Embedded Controller /sys/kernel/debug interface @@ -433,7 +442,7 @@ config ACPI_HOTPLUG_IOAPIC config ACPI_SBS tristate "Smart Battery System" - depends on X86 + depends on X86 && ACPI_EC select POWER_SUPPLY help This driver supports the Smart Battery System, another diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 61ca4afe83dc..40208a0f5dfb 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -41,7 +41,7 @@ acpi-y += resource.o acpi-y += acpi_processor.o acpi-y += processor_core.o acpi-$(CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC) += processor_pdc.o -acpi-y += ec.o +acpi-$(CONFIG_ACPI_EC) += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-$(CONFIG_PCI) += pci_root.o pci_link.o pci_irq.o obj-$(CONFIG_ACPI_MCFG) += pci_mcfg.o diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 7c5b040a83e8..1f69be8f51a2 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -290,7 +290,7 @@ static void acpi_ac_remove(struct platform_device *pdev) static struct platform_driver acpi_ac_driver = { .probe = acpi_ac_probe, - .remove_new = acpi_ac_remove, + .remove = acpi_ac_remove, .driver = { .name = "ac", .acpi_match_table = ac_device_ids, diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index 800f97868448..49539f7528c6 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -86,7 +86,7 @@ static int fch_misc_setup(struct apd_private_data *pdata) if (!clk_data->name) return -ENOMEM; - strcpy(clk_data->name, obj->string.pointer); + strscpy(clk_data->name, obj->string.pointer, obj->string.length); } else { /* Set default name to mclk if entry missing in firmware */ clk_data->name = "mclk"; diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 42b7220d4cfd..4ec20fd56985 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -462,7 +462,7 @@ MODULE_DEVICE_TABLE(acpi, pad_device_ids); static struct platform_driver acpi_pad_driver = { .probe = acpi_pad_probe, - .remove_new = acpi_pad_remove, + .remove = acpi_pad_remove, .driver = { .dev_groups = acpi_pad_groups, .name = "processor_aggregator", diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c index b831cb8e53dc..825c2a8acea4 100644 --- a/drivers/acpi/acpi_tad.c +++ b/drivers/acpi/acpi_tad.c @@ -684,7 +684,7 @@ static struct platform_driver acpi_tad_driver = { .acpi_match_table = acpi_tad_ids, }, .probe = acpi_tad_probe, - .remove_new = acpi_tad_remove, + .remove = acpi_tad_remove, }; MODULE_DEVICE_TABLE(acpi, acpi_tad_ids); diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c index 5c22720f43cc..04731a5b01fa 100644 --- a/drivers/acpi/apei/einj-core.c +++ b/drivers/acpi/apei/einj-core.c @@ -880,7 +880,7 @@ static struct platform_device *einj_dev; * triggering a section mismatch warning. */ static struct platform_driver einj_driver __refdata = { - .remove_new = __exit_p(einj_remove), + .remove = __exit_p(einj_remove), .driver = { .name = "acpi-einj", }, diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index ada93cfde9ba..a2491905f165 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -1605,7 +1605,7 @@ static struct platform_driver ghes_platform_driver = { .name = "GHES", }, .probe = ghes_probe, - .remove_new = ghes_remove, + .remove = ghes_remove, }; void __init acpi_ghes_init(void) diff --git a/drivers/acpi/arm64/agdi.c b/drivers/acpi/arm64/agdi.c index f5f21dd0d277..e0df3daa4abf 100644 --- a/drivers/acpi/arm64/agdi.c +++ b/drivers/acpi/arm64/agdi.c @@ -88,7 +88,7 @@ static struct platform_driver agdi_driver = { .name = "agdi", }, .probe = agdi_probe, - .remove_new = agdi_remove, + .remove = agdi_remove, }; void __init acpi_agdi_init(void) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 65fa3444367a..aed4a37da03e 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -1218,15 +1218,21 @@ static int acpi_battery_add(struct acpi_device *device) if (device->dep_unmet) return -EPROBE_DEFER; - battery = kzalloc(sizeof(struct acpi_battery), GFP_KERNEL); + battery = devm_kzalloc(&device->dev, sizeof(*battery), GFP_KERNEL); if (!battery) return -ENOMEM; battery->device = device; strscpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME); strscpy(acpi_device_class(device), ACPI_BATTERY_CLASS); device->driver_data = battery; - mutex_init(&battery->lock); - mutex_init(&battery->sysfs_lock); + result = devm_mutex_init(&device->dev, &battery->lock); + if (result) + return result; + + result = devm_mutex_init(&device->dev, &battery->sysfs_lock); + if (result) + return result; + if (acpi_has_method(battery->device->handle, "_BIX")) set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); @@ -1238,7 +1244,9 @@ static int acpi_battery_add(struct acpi_device *device) device->status.battery_present ? "present" : "absent"); battery->pm_nb.notifier_call = battery_notify; - register_pm_notifier(&battery->pm_nb); + result = register_pm_notifier(&battery->pm_nb); + if (result) + goto fail; device_init_wakeup(&device->dev, 1); @@ -1254,9 +1262,6 @@ fail_pm: unregister_pm_notifier(&battery->pm_nb); fail: sysfs_remove_battery(battery); - mutex_destroy(&battery->lock); - mutex_destroy(&battery->sysfs_lock); - kfree(battery); return result; } @@ -1276,13 +1281,8 @@ static void acpi_battery_remove(struct acpi_device *device) device_init_wakeup(&device->dev, 0); unregister_pm_notifier(&battery->pm_nb); sysfs_remove_battery(battery); - - mutex_destroy(&battery->lock); - mutex_destroy(&battery->sysfs_lock); - kfree(battery); } -#ifdef CONFIG_PM_SLEEP /* this is needed to learn about changes made in suspended state */ static int acpi_battery_resume(struct device *dev) { @@ -1299,11 +1299,8 @@ static int acpi_battery_resume(struct device *dev) acpi_battery_update(battery, true); return 0; } -#else -#define acpi_battery_resume NULL -#endif -static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume); static struct acpi_driver acpi_battery_driver = { .name = "battery", @@ -1313,7 +1310,7 @@ static struct acpi_driver acpi_battery_driver = { .add = acpi_battery_add, .remove = acpi_battery_remove, }, - .drv.pm = &acpi_battery_pm, + .drv.pm = pm_sleep_ptr(&acpi_battery_pm), .drv.probe_type = PROBE_PREFER_ASYNCHRONOUS, }; diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 5c0cc7aae872..f193e713825a 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -1011,7 +1011,8 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val) *val = 0; size = GET_BIT_WIDTH(reg); - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { + if (IS_ENABLED(CONFIG_HAS_IOPORT) && + reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { u32 val_u32; acpi_status status; @@ -1085,7 +1086,8 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) size = GET_BIT_WIDTH(reg); - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { + if (IS_ENABLED(CONFIG_HAS_IOPORT) && + reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { acpi_status status; status = acpi_os_write_port((acpi_io_address)reg->address, @@ -1140,7 +1142,6 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) return -EFAULT; } val = MASK_VAL_WRITE(reg, prev_val, val); - val |= prev_val; } switch (size) { diff --git a/drivers/acpi/dptf/dptf_pch_fivr.c b/drivers/acpi/dptf/dptf_pch_fivr.c index d202730fafd8..624fce67ce43 100644 --- a/drivers/acpi/dptf/dptf_pch_fivr.c +++ b/drivers/acpi/dptf/dptf_pch_fivr.c @@ -158,7 +158,7 @@ MODULE_DEVICE_TABLE(acpi, pch_fivr_device_ids); static struct platform_driver pch_fivr_driver = { .probe = pch_fivr_add, - .remove_new = pch_fivr_remove, + .remove = pch_fivr_remove, .driver = { .name = "dptf_pch_fivr", .acpi_match_table = pch_fivr_device_ids, diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c index 8023b3e23315..3d3edd81b172 100644 --- a/drivers/acpi/dptf/dptf_power.c +++ b/drivers/acpi/dptf/dptf_power.c @@ -242,7 +242,7 @@ MODULE_DEVICE_TABLE(acpi, int3407_device_ids); static struct platform_driver dptf_power_driver = { .probe = dptf_power_add, - .remove_new = dptf_power_remove, + .remove = dptf_power_remove, .driver = { .name = "dptf_power", .acpi_match_table = int3407_device_ids, diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 25399f6dde7e..8db09d81918f 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1677,8 +1677,8 @@ static int acpi_ec_add(struct acpi_device *device) struct acpi_ec *ec; int ret; - strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_EC_CLASS); + strscpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_EC_CLASS); if (boot_ec && (boot_ec->handle == device->handle || !strcmp(acpi_device_hid(device), ACPI_ECDT_HID))) { diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index d199a19bb292..96a9aaaaf9f7 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -28,8 +28,8 @@ int acpi_notifier_call_chain(struct acpi_device *dev, u32 type, u32 data) { struct acpi_bus_event event; - strcpy(event.device_class, dev->pnp.device_class); - strcpy(event.bus_id, dev->pnp.bus_id); + strscpy(event.device_class, dev->pnp.device_class); + strscpy(event.bus_id, dev->pnp.bus_id); event.type = type; event.data = data; return (blocking_notifier_call_chain(&acpi_chain_head, 0, (void *)&event) diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c index 11778c93254b..5c35cbc7f6ff 100644 --- a/drivers/acpi/evged.c +++ b/drivers/acpi/evged.c @@ -185,7 +185,7 @@ static const struct acpi_device_id ged_acpi_ids[] = { static struct platform_driver ged_driver = { .probe = ged_probe, - .remove_new = ged_remove, + .remove = ged_remove, .shutdown = ged_shutdown, .driver = { .name = MODULE_NAME, diff --git a/drivers/acpi/fan_core.c b/drivers/acpi/fan_core.c index 7cea4495f19b..3ea9cfcff46e 100644 --- a/drivers/acpi/fan_core.c +++ b/drivers/acpi/fan_core.c @@ -448,7 +448,7 @@ static const struct dev_pm_ops acpi_fan_pm = { static struct platform_driver acpi_fan_driver = { .probe = acpi_fan_probe, - .remove_new = acpi_fan_remove, + .remove = acpi_fan_remove, .driver = { .name = "acpi-fan", .acpi_match_table = fan_device_ids, diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index ced7dff9a5db..00910ccd7eda 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -215,6 +215,8 @@ extern struct acpi_ec *first_ec; /* External interfaces use first EC only, so remember */ typedef int (*acpi_ec_query_func) (void *data); +#ifdef CONFIG_ACPI_EC + void acpi_ec_init(void); void acpi_ec_ecdt_probe(void); void acpi_ec_dsdt_probe(void); @@ -231,6 +233,29 @@ void acpi_ec_flush_work(void); bool acpi_ec_dispatch_gpe(void); #endif +#else + +static inline void acpi_ec_init(void) {} +static inline void acpi_ec_ecdt_probe(void) {} +static inline void acpi_ec_dsdt_probe(void) {} +static inline void acpi_ec_block_transactions(void) {} +static inline void acpi_ec_unblock_transactions(void) {} +static inline int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, + acpi_handle handle, acpi_ec_query_func func, + void *data) +{ + return -ENXIO; +} +static inline void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) {} +static inline void acpi_ec_register_opregions(struct acpi_device *adev) {} + +static inline void acpi_ec_flush_work(void) {} +static inline bool acpi_ec_dispatch_gpe(void) +{ + return false; +} + +#endif /*-------------------------------------------------------------------------- Suspend/Resume diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 70af3fbbebe5..fed446aace42 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -642,6 +642,15 @@ acpi_status acpi_os_read_port(acpi_io_address port, u32 *value, u32 width) { u32 dummy; + if (!IS_ENABLED(CONFIG_HAS_IOPORT)) { + /* + * set all-1 result as if reading from non-existing + * I/O port + */ + *value = GENMASK(width, 0); + return AE_NOT_IMPLEMENTED; + } + if (value) *value = 0; else @@ -665,6 +674,9 @@ EXPORT_SYMBOL(acpi_os_read_port); acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width) { + if (!IS_ENABLED(CONFIG_HAS_IOPORT)) + return AE_NOT_IMPLEMENTED; + if (width <= 8) { outb(value, port); } else if (width <= 16) { diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index b727db968f33..08e10b6226dc 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -714,8 +714,8 @@ static int acpi_pci_link_add(struct acpi_device *device, return -ENOMEM; link->device = device; - strcpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS); + strscpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS); device->driver_data = link; mutex_lock(&acpi_link_lock); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index d0bfb3706801..d0b6a024daae 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -689,8 +689,8 @@ static int acpi_pci_root_add(struct acpi_device *device, root->device = device; root->segment = segment & 0xFFFF; - strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); + strscpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); device->driver_data = root; if (hotadd && dmar_device_add(handle)) { diff --git a/drivers/acpi/pfr_telemetry.c b/drivers/acpi/pfr_telemetry.c index 998264a7333d..32bdf8cbe8f2 100644 --- a/drivers/acpi/pfr_telemetry.c +++ b/drivers/acpi/pfr_telemetry.c @@ -272,9 +272,6 @@ static long pfrt_log_ioctl(struct file *file, unsigned int cmd, unsigned long ar case PFRT_LOG_IOC_GET_INFO: info.log_level = get_pfrt_log_level(pfrt_log_dev); - if (ret < 0) - return ret; - info.log_type = pfrt_log_dev->info.log_type; info.log_revid = pfrt_log_dev->info.log_revid; if (copy_to_user(p, &info, sizeof(info))) @@ -425,7 +422,7 @@ static struct platform_driver acpi_pfrt_log_driver = { .acpi_match_table = acpi_pfrt_log_ids, }, .probe = acpi_pfrt_log_probe, - .remove_new = acpi_pfrt_log_remove, + .remove = acpi_pfrt_log_remove, }; module_platform_driver(acpi_pfrt_log_driver); diff --git a/drivers/acpi/pfr_update.c b/drivers/acpi/pfr_update.c index 8b2910995fc1..031d1ba81b86 100644 --- a/drivers/acpi/pfr_update.c +++ b/drivers/acpi/pfr_update.c @@ -565,7 +565,7 @@ static struct platform_driver acpi_pfru_driver = { .acpi_match_table = acpi_pfru_ids, }, .probe = acpi_pfru_probe, - .remove_new = acpi_pfru_remove, + .remove = acpi_pfru_remove, }; module_platform_driver(acpi_pfru_driver); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index c2c70139c4f1..25174c24d3d7 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -950,8 +950,8 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle) mutex_init(&resource->resource_lock); INIT_LIST_HEAD(&resource->list_node); INIT_LIST_HEAD(&resource->dependents); - strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_POWER_CLASS); + strscpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_POWER_CLASS); device->power.state = ACPI_STATE_UNKNOWN; device->flags.match_driver = true; diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 4265814c74f8..53996f1a2d80 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -24,8 +24,6 @@ #define ACPI_PROCESSOR_FILE_PERFORMANCE "performance" -static DEFINE_MUTEX(performance_mutex); - /* * _PPC support is implemented as a CPUfreq policy notifier: * This means each time a CPUfreq driver registered also with @@ -209,6 +207,10 @@ void acpi_processor_ppc_exit(struct cpufreq_policy *policy) } } +#ifdef CONFIG_X86 + +static DEFINE_MUTEX(performance_mutex); + static int acpi_processor_get_performance_control(struct acpi_processor *pr) { int result = 0; @@ -267,7 +269,6 @@ end: return result; } -#ifdef CONFIG_X86 /* * Some AMDs have 50MHz frequency multiples, but only provide 100MHz rounding * in their ACPI data. Calculate the real values and fix up the _PSS data. @@ -298,9 +299,6 @@ static void amd_fixup_frequency(struct acpi_processor_px *px, int i) px->core_frequency = (100 * (fid + 8)) >> did; } } -#else -static void amd_fixup_frequency(struct acpi_processor_px *px, int i) {}; -#endif static int acpi_processor_get_performance_states(struct acpi_processor *pr) { @@ -440,13 +438,11 @@ int acpi_processor_get_performance_info(struct acpi_processor *pr) * the BIOS is older than the CPU and does not know its frequencies */ update_bios: -#ifdef CONFIG_X86 if (acpi_has_method(pr->handle, "_PPC")) { if(boot_cpu_has(X86_FEATURE_EST)) pr_warn(FW_BUG "BIOS needs update for CPU " "frequency support\n"); } -#endif return result; } EXPORT_SYMBOL_GPL(acpi_processor_get_performance_info); @@ -788,3 +784,4 @@ unlock: mutex_unlock(&performance_mutex); } EXPORT_SYMBOL(acpi_processor_unregister_performance); +#endif diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 7a0914055fca..a3f95a3fffde 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -644,8 +644,8 @@ static int acpi_sbs_add(struct acpi_device *device) sbs->hc = acpi_driver_data(acpi_dev_parent(device)); sbs->device = device; - strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_SBS_CLASS); + strscpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_SBS_CLASS); device->driver_data = sbs; result = acpi_charger_add(sbs); diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index 16f2daaa2c45..1a2bf520be23 100644 --- a/drivers/acpi/sbshc.c +++ b/drivers/acpi/sbshc.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/interrupt.h> #include "sbshc.h" +#include "internal.h" #define ACPI_SMB_HC_CLASS "smbus_host_ctl" #define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC" @@ -236,12 +237,6 @@ static int smbus_alarm(void *context) return 0; } -typedef int (*acpi_ec_query_func) (void *data); - -extern int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, - acpi_handle handle, acpi_ec_query_func func, - void *data); - static int acpi_smbus_hc_add(struct acpi_device *device) { int status; @@ -257,8 +252,8 @@ static int acpi_smbus_hc_add(struct acpi_device *device) return -EIO; } - strcpy(acpi_device_name(device), ACPI_SMB_HC_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_SMB_HC_CLASS); + strscpy(acpi_device_name(device), ACPI_SMB_HC_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_SMB_HC_CLASS); hc = kzalloc(sizeof(struct acpi_smb_hc), GFP_KERNEL); if (!hc) @@ -278,8 +273,6 @@ static int acpi_smbus_hc_add(struct acpi_device *device) return 0; } -extern void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); - static void acpi_smbus_hc_remove(struct acpi_device *device) { struct acpi_smb_hc *hc; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 7ecc401fb97f..74dcccdc6482 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1179,19 +1179,19 @@ static void acpi_device_get_busid(struct acpi_device *device) * TBD: Shouldn't this value be unique (within the ACPI namespace)? */ if (!acpi_dev_parent(device)) { - strcpy(device->pnp.bus_id, "ACPI"); + strscpy(device->pnp.bus_id, "ACPI"); return; } switch (device->device_type) { case ACPI_BUS_TYPE_POWER_BUTTON: - strcpy(device->pnp.bus_id, "PWRF"); + strscpy(device->pnp.bus_id, "PWRF"); break; case ACPI_BUS_TYPE_SLEEP_BUTTON: - strcpy(device->pnp.bus_id, "SLPF"); + strscpy(device->pnp.bus_id, "SLPF"); break; case ACPI_BUS_TYPE_ECDT_EC: - strcpy(device->pnp.bus_id, "ECDT"); + strscpy(device->pnp.bus_id, "ECDT"); break; default: acpi_get_name(device->handle, ACPI_SINGLE_NAME, &buffer); @@ -1202,7 +1202,7 @@ static void acpi_device_get_busid(struct acpi_device *device) else break; } - strcpy(device->pnp.bus_id, bus_id); + strscpy(device->pnp.bus_id, bus_id); break; } } @@ -1453,8 +1453,8 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, acpi_object_is_system_bus(handle)) { /* \_SB, \_TZ, LNXSYBUS */ acpi_add_id(pnp, ACPI_BUS_HID); - strcpy(pnp->device_name, ACPI_BUS_DEVICE_NAME); - strcpy(pnp->device_class, ACPI_BUS_CLASS); + strscpy(pnp->device_name, ACPI_BUS_DEVICE_NAME); + strscpy(pnp->device_class, ACPI_BUS_CLASS); } break; diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 78db38c7076e..6671537cb4b7 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -796,9 +796,9 @@ static int acpi_thermal_add(struct acpi_device *device) return -ENOMEM; tz->device = device; - strcpy(tz->name, device->pnp.bus_id); - strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS); + strscpy(tz->name, device->pnp.bus_id); + strscpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME); + strscpy(acpi_device_class(device), ACPI_THERMAL_CLASS); device->driver_data = tz; acpi_thermal_aml_dependency_fix(tz); diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 015bd8e66c1c..d507d5e08435 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -551,6 +551,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_native, + /* Apple MacBook Air 7,2 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir7,2"), + }, + }, + { + .callback = video_detect_force_native, /* Apple MacBook Air 9,1 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), @@ -566,6 +574,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, }, { + .callback = video_detect_force_native, + /* Apple MacBook Pro 11,2 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro11,2"), + }, + }, + { /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */ .callback = video_detect_force_native, /* Apple MacBook Pro 12,1 */ diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index 6af546b21574..423565c31d5e 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -12,6 +12,7 @@ #include <linux/acpi.h> #include <linux/dmi.h> +#include <linux/pci.h> #include <linux/platform_device.h> #include <asm/cpu_device_id.h> #include <asm/intel-family.h> @@ -392,6 +393,19 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = { ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY), }, { + /* Vexia Edu Atla 10 tablet 9V version */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + /* Above strings are too generic, also match on BIOS date */ + DMI_MATCH(DMI_BIOS_DATE, "08/25/2014"), + }, + .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS | + ACPI_QUIRK_UART1_SKIP | + ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY | + ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS), + }, + { /* Whitelabel (sold as various brands) TM800A550L */ .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), @@ -439,18 +453,35 @@ static int acpi_dmi_skip_serdev_enumeration(struct device *controller_parent, bo struct acpi_device *adev = ACPI_COMPANION(controller_parent); const struct dmi_system_id *dmi_id; long quirks = 0; - u64 uid; - int ret; + u64 uid = 0; - ret = acpi_dev_uid_to_integer(adev, &uid); - if (ret) + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); + if (!dmi_id) return 0; - dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); - if (dmi_id) - quirks = (unsigned long)dmi_id->driver_data; + quirks = (unsigned long)dmi_id->driver_data; + + /* uid is left at 0 on errors and 0 is not a valid UART UID */ + acpi_dev_uid_to_integer(adev, &uid); + + /* For PCI UARTs without an UID */ + if (!uid && dev_is_pci(controller_parent)) { + struct pci_dev *pdev = to_pci_dev(controller_parent); + + /* + * Devfn values for PCI UARTs on Bay Trail SoCs, which are + * the only devices where this fallback is necessary. + */ + if (pdev->devfn == PCI_DEVFN(0x1e, 3)) + uid = 1; + else if (pdev->devfn == PCI_DEVFN(0x1e, 4)) + uid = 2; + } + + if (!uid) + return 0; - if (!dev_is_platform(controller_parent)) { + if (!dev_is_platform(controller_parent) && !dev_is_pci(controller_parent)) { /* PNP enumerated UARTs */ if ((quirks & ACPI_QUIRK_PNP_UART1_SKIP) && uid == 1) *skip = true; @@ -505,7 +536,7 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s * Set skip to true so that the tty core creates a serdev ctrl device. * The backlight driver will manually create the serdev client device. */ - if (acpi_dev_hid_match(adev, "DELL0501")) { + if (adev && acpi_dev_hid_match(adev, "DELL0501")) { *skip = true; /* * Create a platform dev for dell-uart-backlight to bind to. |