From c1bfc598181bf04b371131df9ea77162079d710e Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Tue, 19 Oct 2021 20:55:04 +0200 Subject: Revert "PM: sleep: Do not assume that "mem" is always present" Revert commit bfcc1e67ff1e ("PM: sleep: Do not assume that "mem" is always present"), because it breaks compatibility with user space utilities assuming that "mem" will always be present in /sys/power/state. Fixes: bfcc1e67ff1e ("PM: sleep: Do not assume that "mem" is always present") Signed-off-by: Rafael J. Wysocki --- kernel/power/suspend.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/power/suspend.c') diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 02e306ad8db8..eb75f394a059 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -171,7 +171,8 @@ static bool valid_state(suspend_state_t state) void __init pm_states_init(void) { - /* "freeze" is always present in /sys/power/state. */ + /* "mem" and "freeze" are always present in /sys/power/state. */ + pm_states[PM_SUSPEND_MEM] = pm_labels[PM_SUSPEND_MEM]; pm_states[PM_SUSPEND_TO_IDLE] = pm_labels[PM_SUSPEND_TO_IDLE]; /* * Suspend-to-idle should be supported even without any suspend_ops, @@ -213,7 +214,6 @@ void suspend_set_ops(const struct platform_suspend_ops *ops) } if (valid_state(PM_SUSPEND_MEM)) { mem_sleep_states[PM_SUSPEND_MEM] = mem_sleep_labels[PM_SUSPEND_MEM]; - pm_states[PM_SUSPEND_MEM] = pm_labels[PM_SUSPEND_MEM]; if (mem_sleep_default >= PM_SUSPEND_MEM) mem_sleep_current = PM_SUSPEND_MEM; } -- cgit