diff options
| author | Colin Cross | 2012-07-19 10:38:06 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki | 2012-07-19 10:38:06 +0200 |
| commit | 064b021fbe470ecc9ca10f9f87af48c0fc0865fb (patch) | |
| tree | 320c3753f42ebc97f86be30583508bfaa3e87e44 /drivers/base | |
| parent | 11388c87d2abca1f01975ced28ce9eacea239104 (diff) | |
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.c | 10 |
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); |