| Message ID | 1384867758-15276-1-git-send-email-jhbird.choi@samsung.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
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).. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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;
Frequency lock should be considered in suspend/hibernation. Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> --- drivers/cpufreq/exynos-cpufreq.c | 3 +++ 1 file changed, 3 insertions(+)