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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-08 20:58:10 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-08 20:58:10 +0300 |
| commit | 7ed9fd2e2916e89a5874359d6e4d5a49abb08c83 (patch) | |
| tree | 56ada72168097b0c69d5b5528c4154915fa4c967 | |
| parent | 968edbd93c0cbb40ab48aca972392d377713a0c3 (diff) | |
| parent | 31eb7431805493e10f4731f366cf4d4e3e952035 (diff) | |
| download | linux-7ed9fd2e2916e89a5874359d6e4d5a49abb08c83.tar.xz | |
Merge tag 'pm-4.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"This fixes an issue in the device runtime PM framework that prevents
customer devices from resuming if runtime PM is disabled for one or
more of their supplier devices (as reflected by device links between
those devices)"
* tag 'pm-4.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / runtime: Fix handling of suppliers with disabled runtime PM
| -rw-r--r-- | drivers/base/power/runtime.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 027d159ac381..6e89b51ea3d9 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -276,7 +276,8 @@ static int rpm_get_suppliers(struct device *dev) continue; retval = pm_runtime_get_sync(link->supplier); - if (retval < 0) { + /* Ignore suppliers with disabled runtime PM. */ + if (retval < 0 && retval != -EACCES) { pm_runtime_put_noidle(link->supplier); return retval; } |