diff options
Diffstat (limited to 'include/linux/pm.h')
| -rw-r--r-- | include/linux/pm.h | 39 |
1 files changed, 7 insertions, 32 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h index 9bd86db4d39..87545e0f0b5 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -107,26 +107,15 @@ typedef int __bitwise suspend_state_t; #define PM_SUSPEND_ON ((__force suspend_state_t) 0) #define PM_SUSPEND_STANDBY ((__force suspend_state_t) 1) #define PM_SUSPEND_MEM ((__force suspend_state_t) 3) -#define PM_SUSPEND_DISK ((__force suspend_state_t) 4) -#define PM_SUSPEND_MAX ((__force suspend_state_t) 5) - -typedef int __bitwise suspend_disk_method_t; - -#define PM_DISK_FIRMWARE ((__force suspend_disk_method_t) 1) -#define PM_DISK_PLATFORM ((__force suspend_disk_method_t) 2) -#define PM_DISK_SHUTDOWN ((__force suspend_disk_method_t) 3) -#define PM_DISK_REBOOT ((__force suspend_disk_method_t) 4) -#define PM_DISK_TEST ((__force suspend_disk_method_t) 5) -#define PM_DISK_TESTPROC ((__force suspend_disk_method_t) 6) -#define PM_DISK_MAX ((__force suspend_disk_method_t) 7) +#define PM_SUSPEND_MAX ((__force suspend_state_t) 4) /** * struct pm_ops - Callbacks for managing platform dependent suspend states. * @valid: Callback to determine whether the given state can be entered. - * If %CONFIG_SOFTWARE_SUSPEND is set then %PM_SUSPEND_DISK is - * always valid and never passed to this call. - * If not assigned, all suspend states are advertised as valid - * in /sys/power/state (but can still be rejected by prepare or enter.) + * Valid states are advertised in /sys/power/state but can still + * be rejected by prepare or enter if the conditions aren't right. + * There is a %pm_valid_only_mem function available that can be assigned + * to this if you only implement mem sleep. * * @prepare: Prepare the platform for the given suspend state. Can return a * negative error code if necessary. @@ -136,25 +125,12 @@ typedef int __bitwise suspend_disk_method_t; * * @finish: Called when the system has left the given state and all devices * are resumed. The return value is ignored. - * - * @pm_disk_mode: Set to the disk method that the user should be able to - * configure for suspend-to-disk. Since %PM_DISK_SHUTDOWN, - * %PM_DISK_REBOOT, %PM_DISK_TEST and %PM_DISK_TESTPROC - * are always allowed, currently only %PM_DISK_PLATFORM - * makes sense. If the user then choses %PM_DISK_PLATFORM, - * the @prepare call will be called before suspending to disk - * (if present), the @enter call should be present and will - * be called after all state has been saved and the machine - * is ready to be shut down/suspended/..., and the @finish - * callback is called after state has been restored. All - * these calls are called with %PM_SUSPEND_DISK as the state. */ struct pm_ops { int (*valid)(suspend_state_t state); int (*prepare)(suspend_state_t state); int (*enter)(suspend_state_t state); int (*finish)(suspend_state_t state); - suspend_disk_method_t pm_disk_mode; }; /** @@ -165,6 +141,7 @@ extern void pm_set_ops(struct pm_ops *pm_ops); extern struct pm_ops *pm_ops; extern int pm_suspend(suspend_state_t state); +extern int pm_valid_only_mem(suspend_state_t state); /** * arch_suspend_disable_irqs - disable IRQs for suspend @@ -272,8 +249,6 @@ extern void device_power_up(void); extern void device_resume(void); #ifdef CONFIG_PM -extern suspend_disk_method_t pm_disk_mode; - extern int device_suspend(pm_message_t state); extern int device_prepare_suspend(pm_message_t state); @@ -328,7 +303,7 @@ static inline void dpm_runtime_resume(struct device * dev) static inline int call_platform_enable_wakeup(struct device *dev, int is_on) { - return -EIO; + return 0; } #endif |