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authorChanwoo Choi <cw00.choi@samsung.com>2016-06-23 11:18:43 +0900
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-23 23:15:12 +0200
commit0d37189e80163c653771916afe28fae1a8d14daa (patch)
tree4f3238cc3c8b88541bfe9aa4421ade149b30576d /drivers/devfreq
parent492a19ef8bbfe03b03ca82635555ea1e2803ff91 (diff)
downloadop-kernel-dev-0d37189e80163c653771916afe28fae1a8d14daa.zip
op-kernel-dev-0d37189e80163c653771916afe28fae1a8d14daa.tar.gz
PM / devfreq: Send the DEVFREQ_POSTCHANGE notification when target() is failed
This patch sends the DEVFREQ_POSTCHANGE notification when devfreq->profile->targer() is failed. The PRECHANGE/POSTCHANGE should be paired. Fixes: 0fe3a66410a3 (PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier) Reported-by: Lin Huang <hl@rock-chips.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/devfreq')
-rw-r--r--drivers/devfreq/devfreq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index c7f47e3..e92418f 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -268,8 +268,11 @@ int update_devfreq(struct devfreq *devfreq)
devfreq_notify_transition(devfreq, &freqs, DEVFREQ_PRECHANGE);
err = devfreq->profile->target(devfreq->dev.parent, &freq, flags);
- if (err)
+ if (err) {
+ freqs.new = cur_freq;
+ devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE);
return err;
+ }
freqs.new = freq;
devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE);
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