diff options
Diffstat (limited to 'kernel/power/main.c')
| -rw-r--r-- | kernel/power/main.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index 5a779270cdb..f6dda685e7e 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -184,17 +184,21 @@ static void suspend_finish(suspend_state_t state) static const char * const pm_states[PM_SUSPEND_MAX] = { [PM_SUSPEND_STANDBY] = "standby", [PM_SUSPEND_MEM] = "mem", -#ifdef CONFIG_SOFTWARE_SUSPEND [PM_SUSPEND_DISK] = "disk", -#endif }; static inline int valid_state(suspend_state_t state) { /* Suspend-to-disk does not really need low-level support. - * It can work with reboot if needed. */ + * It can work with shutdown/reboot if needed. If it isn't + * configured, then it cannot be supported. + */ if (state == PM_SUSPEND_DISK) +#ifdef CONFIG_SOFTWARE_SUSPEND return 1; +#else + return 0; +#endif /* all other states need lowlevel support and need to be * valid to the lowlevel implementation, no valid callback @@ -244,17 +248,6 @@ static int enter_state(suspend_state_t state) return error; } -#ifdef CONFIG_SOFTWARE_SUSPEND -/* - * This is main interface to the outside world. It needs to be - * called from process context. - */ -int software_suspend(void) -{ - return enter_state(PM_SUSPEND_DISK); -} -#endif - /** * pm_suspend - Externally visible function for suspending system. |