Messages in this thread | | | Date | Tue, 19 Nov 2013 20:02:56 +0530 | Subject | Re: [PATCH 2/4] cpufreq: exynos: Consider hibernation in pm notifier | From | Viresh Kumar <> |
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On 19 November 2013 18:59, Jonghwan Choi <jhbird.choi@gmail.com> wrote: > Frequency lock should be considered in suspend/hibernation.
These could turn out to be important logs for future. Please write with more effort..
> Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> > --- > drivers/cpufreq/exynos-cpufreq.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c > index f3c2287..cd05b0a 100644 > --- a/drivers/cpufreq/exynos-cpufreq.c > +++ b/drivers/cpufreq/exynos-cpufreq.c > @@ -187,6 +187,7 @@ static int exynos_cpufreq_pm_notifier(struct notifier_block *notifier, > int ret; > > switch (pm_event) { > + case PM_HIBERNATION_PREPARE: > case PM_SUSPEND_PREPARE: > mutex_lock(&cpufreq_lock); > frequency_locked = true; > @@ -198,6 +199,8 @@ static int exynos_cpufreq_pm_notifier(struct notifier_block *notifier, > > break; > > + case PM_POST_HIBERNATION: > + case PM_POST_RESTORE: > case PM_POST_SUSPEND: > mutex_lock(&cpufreq_lock); > frequency_locked = false;
@Rafael: So we have few more drivers which are already doing such stuff (even tegra as well)..
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