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PM / Sleep: Make enter_state() in kernel/power/suspend.c static

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The enter_state() function in kernel/power/suspend.c should be
static and state_store() in kernel/power/suspend.c should call
pm_suspend() instead of it, so make that happen (which also reduces
code duplication related to suspend statistics).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
This commit is contained in:
Rafael J. Wysocki 2012-02-13 16:29:24 +01:00
parent 55ae451918
commit 93e1ee43a7
3 changed files with 4 additions and 8 deletions
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8
kernel/power/main.c
View file

@ -291,12 +291,10 @@ static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
#ifdef CONFIG_SUSPEND
for (s = &pm_states[state]; state < PM_SUSPEND_MAX; s++, state++) {
if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
if (*s && len == strlen(*s) && !strncmp(buf, *s, len)) {
error = pm_suspend(state);
break;
}
if (state < PM_SUSPEND_MAX && *s) {
error = enter_state(state);
suspend_stats_update(error);
}
}
#endif

2
kernel/power/power.h
View file

@ -177,13 +177,11 @@ extern const char *const pm_states[];
extern bool valid_state(suspend_state_t state);
extern int suspend_devices_and_enter(suspend_state_t state);
extern int enter_state(suspend_state_t state);
#else /* !CONFIG_SUSPEND */
static inline int suspend_devices_and_enter(suspend_state_t state)
{
return -ENOSYS;
}
static inline int enter_state(suspend_state_t state) { return -ENOSYS; }
static inline bool valid_state(suspend_state_t state) { return false; }
#endif /* !CONFIG_SUSPEND */

2
kernel/power/suspend.c
View file

@ -272,7 +272,7 @@ static void suspend_finish(void)
* Fail if that's not the case. Otherwise, prepare for system suspend, make the
* system enter the given sleep state and clean up after wakeup.
*/
int enter_state(suspend_state_t state)
static int enter_state(suspend_state_t state)
{
int error;