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authorColin Cross <ccross@android.com>2012-07-19 10:38:06 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2012-07-19 10:38:06 +0200
commit064b021fbe470ecc9ca10f9f87af48c0fc0865fb (patch)
tree320c3753f42ebc97f86be30583508bfaa3e87e44 /drivers/base
parentPM / Sleep: Require CAP_BLOCK_SUSPEND to use wake_lock/wake_unlock (diff)
downloadlinux-064b021fbe470ecc9ca10f9f87af48c0fc0865fb.tar.xz
linux-064b021fbe470ecc9ca10f9f87af48c0fc0865fb.zip
PM / Sleep: call early resume handlers when suspend_noirq fails
Commit cf579dfb82550e34de7ccf3ef090d8b834ccd3a9 (PM / Sleep: Introduce "late suspend" and "early resume" of devices) introduced a bug where suspend_late handlers would be called, but if dpm_suspend_noirq returned an error the early_resume handlers would never be called. All devices would end up on the dpm_late_early_list, and would never be resumed again. Fix it by calling dpm_resume_early when dpm_suspend_noirq returns an error. Signed-off-by: Colin Cross <ccross@android.com> Cc: stable@vger.kernel.org Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/main.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index dbc3dbea5b25..c642f8dab1df 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -989,8 +989,16 @@ static int dpm_suspend_late(pm_message_t state)
int dpm_suspend_end(pm_message_t state)
{
int error = dpm_suspend_late(state);
+ if (error)
+ return error;
- return error ? : dpm_suspend_noirq(state);
+ error = dpm_suspend_noirq(state);
+ if (error) {
+ dpm_resume_early(state);
+ return error;
+ }
+
+ return 0;
}
EXPORT_SYMBOL_GPL(dpm_suspend_end);