diff options
Diffstat (limited to 'drivers/acpi/sleep/wakeup.c')
| -rw-r--r-- | drivers/acpi/sleep/wakeup.c | 115 |
1 files changed, 59 insertions, 56 deletions
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c index d9b199969d5d..4134ed43d026 100644 --- a/drivers/acpi/sleep/wakeup.c +++ b/drivers/acpi/sleep/wakeup.c @@ -12,9 +12,9 @@ #include "sleep.h" #define _COMPONENT ACPI_SYSTEM_COMPONENT -ACPI_MODULE_NAME ("wakeup_devices") +ACPI_MODULE_NAME("wakeup_devices") -extern struct list_head acpi_wakeup_device_list; +extern struct list_head acpi_wakeup_device_list; extern spinlock_t acpi_device_lock; #ifdef CONFIG_ACPI_SLEEP @@ -25,22 +25,21 @@ extern spinlock_t acpi_device_lock; * is higher than requested sleep level */ -void -acpi_enable_wakeup_device_prep( - u8 sleep_state) +void acpi_enable_wakeup_device_prep(u8 sleep_state) { - struct list_head * node, * next; + struct list_head *node, *next; ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device_prep"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_wakeup_device_list) { - struct acpi_device * dev = container_of(node, - struct acpi_device, wakeup_list); - - if (!dev->wakeup.flags.valid || - !dev->wakeup.state.enabled || - (sleep_state > (u32) dev->wakeup.sleep_state)) + struct acpi_device *dev = container_of(node, + struct acpi_device, + wakeup_list); + + if (!dev->wakeup.flags.valid || + !dev->wakeup.state.enabled || + (sleep_state > (u32) dev->wakeup.sleep_state)) continue; spin_unlock(&acpi_device_lock); @@ -55,11 +54,9 @@ acpi_enable_wakeup_device_prep( * @sleep_state: ACPI state * Enable all wakup devices's GPE */ -void -acpi_enable_wakeup_device( - u8 sleep_state) +void acpi_enable_wakeup_device(u8 sleep_state) { - struct list_head * node, * next; + struct list_head *node, *next; /* * Caution: this routine must be invoked when interrupt is disabled @@ -68,33 +65,35 @@ acpi_enable_wakeup_device( ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_wakeup_device_list) { - struct acpi_device * dev = container_of(node, - struct acpi_device, wakeup_list); + struct acpi_device *dev = container_of(node, + struct acpi_device, + wakeup_list); /* If users want to disable run-wake GPE, * we only disable it for wake and leave it for runtime */ if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) { spin_unlock(&acpi_device_lock); - acpi_set_gpe_type(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_GPE_TYPE_RUNTIME); + acpi_set_gpe_type(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, + ACPI_GPE_TYPE_RUNTIME); /* Re-enable it, since set_gpe_type will disable it */ - acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_ISR); + acpi_enable_gpe(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, ACPI_ISR); spin_lock(&acpi_device_lock); continue; } if (!dev->wakeup.flags.valid || - !dev->wakeup.state.enabled || - (sleep_state > (u32) dev->wakeup.sleep_state)) + !dev->wakeup.state.enabled || + (sleep_state > (u32) dev->wakeup.sleep_state)) continue; spin_unlock(&acpi_device_lock); /* run-wake GPE has been enabled */ if (!dev->wakeup.flags.run_wake) - acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_ISR); + acpi_enable_gpe(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, ACPI_ISR); dev->wakeup.state.active = 1; spin_lock(&acpi_device_lock); } @@ -106,43 +105,43 @@ acpi_enable_wakeup_device( * @sleep_state: ACPI state * Disable all wakup devices's GPE and wakeup capability */ -void -acpi_disable_wakeup_device ( - u8 sleep_state) +void acpi_disable_wakeup_device(u8 sleep_state) { - struct list_head * node, * next; + struct list_head *node, *next; ACPI_FUNCTION_TRACE("acpi_disable_wakeup_device"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_wakeup_device_list) { - struct acpi_device * dev = container_of(node, - struct acpi_device, wakeup_list); + struct acpi_device *dev = container_of(node, + struct acpi_device, + wakeup_list); if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) { spin_unlock(&acpi_device_lock); - acpi_set_gpe_type(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_GPE_TYPE_WAKE_RUN); + acpi_set_gpe_type(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, + ACPI_GPE_TYPE_WAKE_RUN); /* Re-enable it, since set_gpe_type will disable it */ - acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + acpi_enable_gpe(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, ACPI_NOT_ISR); spin_lock(&acpi_device_lock); continue; } - if (!dev->wakeup.flags.valid || - !dev->wakeup.state.active || - (sleep_state > (u32) dev->wakeup.sleep_state)) + if (!dev->wakeup.flags.valid || + !dev->wakeup.state.active || + (sleep_state > (u32) dev->wakeup.sleep_state)) continue; spin_unlock(&acpi_device_lock); acpi_disable_wakeup_device_power(dev); /* Never disable run-wake GPE */ if (!dev->wakeup.flags.run_wake) { - acpi_disable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); - acpi_clear_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + acpi_disable_gpe(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, ACPI_NOT_ISR); + acpi_clear_gpe(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, ACPI_NOT_ISR); } dev->wakeup.state.active = 0; spin_lock(&acpi_device_lock); @@ -152,7 +151,7 @@ acpi_disable_wakeup_device ( static int __init acpi_wakeup_device_init(void) { - struct list_head * node, * next; + struct list_head *node, *next; if (acpi_disabled) return 0; @@ -160,16 +159,18 @@ static int __init acpi_wakeup_device_init(void) spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_wakeup_device_list) { - struct acpi_device * dev = container_of(node, - struct acpi_device, wakeup_list); - + struct acpi_device *dev = container_of(node, + struct acpi_device, + wakeup_list); + /* In case user doesn't load button driver */ if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) { spin_unlock(&acpi_device_lock); - acpi_set_gpe_type(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_GPE_TYPE_WAKE_RUN); - acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + acpi_set_gpe_type(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, + ACPI_GPE_TYPE_WAKE_RUN); + acpi_enable_gpe(dev->wakeup.gpe_device, + dev->wakeup.gpe_number, ACPI_NOT_ISR); dev->wakeup.state.enabled = 1; spin_lock(&acpi_device_lock); } @@ -193,17 +194,19 @@ late_initcall(acpi_wakeup_device_init); */ void acpi_wakeup_gpe_poweroff_prepare(void) { - struct list_head * node, * next; + struct list_head *node, *next; list_for_each_safe(node, next, &acpi_wakeup_device_list) { - struct acpi_device * dev = container_of(node, - struct acpi_device, wakeup_list); + struct acpi_device *dev = container_of(node, + struct acpi_device, + wakeup_list); /* The GPE can wakeup system from S5, don't touch it */ - if ((u32)dev->wakeup.sleep_state == ACPI_STATE_S5) + if ((u32) dev->wakeup.sleep_state == ACPI_STATE_S5) continue; /* acpi_set_gpe_type will automatically disable GPE */ acpi_set_gpe_type(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_GPE_TYPE_RUNTIME); + dev->wakeup.gpe_number, + ACPI_GPE_TYPE_RUNTIME); } } |
