diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/acpi_dbg.c | 4 | ||||
-rw-r--r-- | drivers/acpi/button.c | 1 | ||||
-rw-r--r-- | drivers/acpi/cppc_acpi.c | 5 | ||||
-rw-r--r-- | drivers/acpi/ec.c | 1 | ||||
-rw-r--r-- | drivers/acpi/evged.c | 22 | ||||
-rw-r--r-- | drivers/acpi/pci_link.c | 2 | ||||
-rw-r--r-- | drivers/acpi/power.c | 2 | ||||
-rw-r--r-- | drivers/acpi/processor_idle.c | 9 | ||||
-rw-r--r-- | drivers/acpi/sbs.c | 3 | ||||
-rw-r--r-- | drivers/acpi/utils.c | 25 |
10 files changed, 51 insertions, 23 deletions
diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index 7a265c2171c0..6041974c7627 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -745,7 +745,7 @@ static const struct acpi_debugger_ops acpi_aml_debugger = { .notify_command_complete = acpi_aml_notify_command_complete, }; -int __init acpi_aml_init(void) +static int __init acpi_aml_init(void) { int ret; @@ -771,7 +771,7 @@ int __init acpi_aml_init(void) return 0; } -void __exit acpi_aml_exit(void) +static void __exit acpi_aml_exit(void) { if (acpi_aml_initialized) { acpi_unregister_debugger(&acpi_aml_debugger); diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 78cfc70cb320..3c35e57dd854 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -24,7 +24,6 @@ #define PREFIX "ACPI: " #define ACPI_BUTTON_CLASS "button" -#define ACPI_BUTTON_FILE_INFO "info" #define ACPI_BUTTON_FILE_STATE "state" #define ACPI_BUTTON_TYPE_UNKNOWN 0x00 #define ACPI_BUTTON_NOTIFY_STATUS 0x80 diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 8b2e89c20c11..7a99b19bb893 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -350,7 +350,7 @@ static void cppc_chan_tx_done(struct mbox_client *cl, void *msg, int ret) *(u16 *)msg, ret); } -struct mbox_client cppc_mbox_cl = { +static struct mbox_client cppc_mbox_cl = { .tx_done = cppc_chan_tx_done, .knows_txdone = true, }; @@ -597,7 +597,7 @@ bool __weak cpc_ffh_supported(void) * * Return: 0 for success, errno for failure */ -int pcc_data_alloc(int pcc_ss_id) +static int pcc_data_alloc(int pcc_ss_id) { if (pcc_ss_id < 0 || pcc_ss_id >= MAX_PCC_SUBSPACES) return -EINVAL; @@ -846,6 +846,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) "acpi_cppc"); if (ret) { per_cpu(cpc_desc_ptr, pr->id) = NULL; + kobject_put(&cpc_ptr->kobj); goto out_free; } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 599937d9b87e..8f467d929f4b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -34,7 +34,6 @@ #define ACPI_EC_CLASS "embedded_controller" #define ACPI_EC_DEVICE_NAME "Embedded Controller" -#define ACPI_EC_FILE_INFO "info" /* EC status register */ #define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */ diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c index aba0d0027586..ccd900690b6f 100644 --- a/drivers/acpi/evged.c +++ b/drivers/acpi/evged.c @@ -79,6 +79,8 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares, struct resource r; struct acpi_resource_irq *p = &ares->data.irq; struct acpi_resource_extended_irq *pext = &ares->data.extended_irq; + char ev_name[5]; + u8 trigger; if (ares->type == ACPI_RESOURCE_TYPE_END_TAG) return AE_OK; @@ -87,14 +89,28 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares, dev_err(dev, "unable to parse IRQ resource\n"); return AE_ERROR; } - if (ares->type == ACPI_RESOURCE_TYPE_IRQ) + if (ares->type == ACPI_RESOURCE_TYPE_IRQ) { gsi = p->interrupts[0]; - else + trigger = p->triggering; + } else { gsi = pext->interrupts[0]; + trigger = pext->triggering; + } irq = r.start; - if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) { + switch (gsi) { + case 0 ... 255: + sprintf(ev_name, "_%c%02hhX", + trigger == ACPI_EDGE_SENSITIVE ? 'E' : 'L', gsi); + + if (ACPI_SUCCESS(acpi_get_handle(handle, ev_name, &evt_handle))) + break; + /* fall through */ + default: + if (ACPI_SUCCESS(acpi_get_handle(handle, "_EVT", &evt_handle))) + break; + dev_err(dev, "cannot locate _EVT method\n"); return AE_ERROR; } diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index ed3d2182cf2c..606da5d77ad3 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -31,8 +31,6 @@ ACPI_MODULE_NAME("pci_link"); #define ACPI_PCI_LINK_CLASS "pci_irq_routing" #define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link" -#define ACPI_PCI_LINK_FILE_INFO "info" -#define ACPI_PCI_LINK_FILE_STATUS "state" #define ACPI_PCI_LINK_MAX_POSSIBLE 16 static int acpi_pci_link_add(struct acpi_device *device, diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index fe1e7bc91a5e..837b875d075e 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -36,8 +36,6 @@ ACPI_MODULE_NAME("power"); #define ACPI_POWER_CLASS "power_resource" #define ACPI_POWER_DEVICE_NAME "Power Resource" -#define ACPI_POWER_FILE_INFO "info" -#define ACPI_POWER_FILE_STATUS "state" #define ACPI_POWER_RESOURCE_STATE_OFF 0x00 #define ACPI_POWER_RESOURCE_STATE_ON 0x01 #define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index dcc289e30166..75534c5b5433 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -308,11 +308,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) if (ret) return ret; - /* - * It is expected that there will be at least 2 states, C1 and - * something else (C2 or C3), so fail if that is not the case. - */ - if (pr->power.count < 2) + if (!pr->power.count) return -EFAULT; pr->flags.has_cst = 1; @@ -468,8 +464,7 @@ static int acpi_processor_get_cstate_info(struct acpi_processor *pr) for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { if (pr->power.states[i].valid) { pr->power.count = i; - if (pr->power.states[i].type >= ACPI_STATE_C2) - pr->flags.power = 1; + pr->flags.power = 1; } } diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 6e88224f60f0..f158b8c30113 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -28,9 +28,6 @@ #define ACPI_SBS_CLASS "sbs" #define ACPI_AC_CLASS "ac_adapter" #define ACPI_SBS_DEVICE_NAME "Smart Battery System" -#define ACPI_SBS_FILE_INFO "info" -#define ACPI_SBS_FILE_STATE "state" -#define ACPI_SBS_FILE_ALARM "alarm" #define ACPI_BATTERY_DIR_NAME "BAT%i" #define ACPI_AC_DIR_NAME "AC0" diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 804ac0df58ec..838b719ec7ce 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -606,6 +606,31 @@ acpi_status acpi_evaluate_lck(acpi_handle handle, int lock) } /** + * acpi_evaluate_reg: Evaluate _REG method to register OpRegion presence + * @handle: ACPI device handle + * @space_id: ACPI address space id to register OpRegion presence for + * @function: Parameter to pass to _REG one of ACPI_REG_CONNECT or + * ACPI_REG_DISCONNECT + * + * Evaluate device's _REG method to register OpRegion presence. + */ +acpi_status acpi_evaluate_reg(acpi_handle handle, u8 space_id, u32 function) +{ + struct acpi_object_list arg_list; + union acpi_object params[2]; + + params[0].type = ACPI_TYPE_INTEGER; + params[0].integer.value = space_id; + params[1].type = ACPI_TYPE_INTEGER; + params[1].integer.value = function; + arg_list.count = 2; + arg_list.pointer = params; + + return acpi_evaluate_object(handle, "_REG", &arg_list, NULL); +} +EXPORT_SYMBOL(acpi_evaluate_reg); + +/** * acpi_evaluate_dsm - evaluate device's _DSM method * @handle: ACPI device handle * @guid: GUID of requested functions, should be 16 bytes |