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| author | Takashi Iwai <tiwai@suse.de> | 2016-04-27 17:30:49 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-04-27 17:30:49 +0200 |
| commit | af9cc93c0dee5fc1f9fa32cd9d79a456738a21be (patch) | |
| tree | 91aed45708ad9782de42560ecd25ea5f740dae9b /Documentation/power | |
| parent | ALSA: hda - Update BCLK also at hotplug for i915 HSW/BDW (diff) | |
| parent | Merge remote-tracking branches 'asoc/fix/rt5640' and 'asoc/fix/wm8962' into a... (diff) | |
| download | linux-af9cc93c0dee5fc1f9fa32cd9d79a456738a21be.tar.xz linux-af9cc93c0dee5fc1f9fa32cd9d79a456738a21be.zip | |
Merge tag 'asoc-fix-v4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.6
This is a fairly large collection of fixes but almost all driver
specific ones, especially to the new Intel drivers which have had a lot
of recent development. The one core fix is a change to the debugfs code
to avoid crashes in some relatively unusual configurations.
Diffstat (limited to 'Documentation/power')
| -rw-r--r-- | Documentation/power/runtime_pm.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 7328cf85236c..1fd1fbe9ce95 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -586,6 +586,10 @@ drivers to make their ->remove() callbacks avoid races with runtime PM directly, but also it allows of more flexibility in the handling of devices during the removal of their drivers. +Drivers in ->remove() callback should undo the runtime PM changes done +in ->probe(). Usually this means calling pm_runtime_disable(), +pm_runtime_dont_use_autosuspend() etc. + The user space can effectively disallow the driver of the device to power manage it at run time by changing the value of its /sys/devices/.../power/control attribute to "on", which causes pm_runtime_forbid() to be called. In principle, |