diff mbox series

[v3,1/2] cpufreq: Fix a comment in cpufreq_policy_free

Message ID 20211201074021.18097-2-tangyizhou@huawei.com (mailing list archive)
State Mainlined, archived
Headers show
Series cpufreq: Update function comment and document | expand

Commit Message

Tang Yizhou Dec. 1, 2021, 7:40 a.m. UTC
Make the comment of blocking_notifier_call_chain() easier to
understand.

Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
---
 drivers/cpufreq/cpufreq.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Comments

Viresh Kumar Dec. 1, 2021, 7:19 a.m. UTC | #1
On 01-12-21, 15:40, Tang Yizhou wrote:
> Make the comment of blocking_notifier_call_chain() easier to
> understand.
> 
> Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
> ---
>  drivers/cpufreq/cpufreq.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index e338d2f010fe..db0b4b4258d5 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -1296,8 +1296,9 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy)
>  
>  	if (policy->max_freq_req) {
>  		/*
> -		 * CPUFREQ_CREATE_POLICY notification is sent only after
> -		 * successfully adding max_freq_req request.
> +		 * Remove max_freq_req after sending CPUFREQ_REMOVE_POLICY
> +		 * notification, since CPUFREQ_CREATE_POLICY notification was
> +		 * sent after adding max_freq_req earlier.
>  		 */
>  		blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
>  					     CPUFREQ_REMOVE_POLICY, policy);

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Rafael J. Wysocki Dec. 1, 2021, 7:04 p.m. UTC | #2
On Wed, Dec 1, 2021 at 8:19 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> On 01-12-21, 15:40, Tang Yizhou wrote:
> > Make the comment of blocking_notifier_call_chain() easier to
> > understand.
> >
> > Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
> > ---
> >  drivers/cpufreq/cpufreq.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> > index e338d2f010fe..db0b4b4258d5 100644
> > --- a/drivers/cpufreq/cpufreq.c
> > +++ b/drivers/cpufreq/cpufreq.c
> > @@ -1296,8 +1296,9 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy)
> >
> >       if (policy->max_freq_req) {
> >               /*
> > -              * CPUFREQ_CREATE_POLICY notification is sent only after
> > -              * successfully adding max_freq_req request.
> > +              * Remove max_freq_req after sending CPUFREQ_REMOVE_POLICY
> > +              * notification, since CPUFREQ_CREATE_POLICY notification was
> > +              * sent after adding max_freq_req earlier.
> >                */
> >               blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
> >                                            CPUFREQ_REMOVE_POLICY, policy);
>
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

Applied as 5.16-rc material along with the [2/2[, thanks!
diff mbox series

Patch

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index e338d2f010fe..db0b4b4258d5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1296,8 +1296,9 @@  static void cpufreq_policy_free(struct cpufreq_policy *policy)
 
 	if (policy->max_freq_req) {
 		/*
-		 * CPUFREQ_CREATE_POLICY notification is sent only after
-		 * successfully adding max_freq_req request.
+		 * Remove max_freq_req after sending CPUFREQ_REMOVE_POLICY
+		 * notification, since CPUFREQ_CREATE_POLICY notification was
+		 * sent after adding max_freq_req earlier.
 		 */
 		blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
 					     CPUFREQ_REMOVE_POLICY, policy);