Re: [PATCH] cpufreq: simplify for_each_suitable_policy() macro
From: Rafael J. Wysocki
Date: Mon Feb 22 2016 - 08:13:55 EST
On Monday, February 22, 2016 11:03:15 AM Viresh Kumar wrote:
> On 21-02-16, 12:53, Eric Biggers wrote:
> > Signed-off-by: Eric Biggers <ebiggers3@xxxxxxxxx>
> > ---
> > drivers/cpufreq/cpufreq.c | 44 +++-----------------------------------------
> > 1 file changed, 3 insertions(+), 41 deletions(-)
> >
> > diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> > index e979ec7..3aa7b2b 100644
> > --- a/drivers/cpufreq/cpufreq.c
> > +++ b/drivers/cpufreq/cpufreq.c
> > @@ -38,48 +38,10 @@ static inline bool policy_is_inactive(struct cpufreq_policy *policy)
> > return cpumask_empty(policy->cpus);
> > }
> >
> > -static bool suitable_policy(struct cpufreq_policy *policy, bool active)
> > -{
> > - return active == !policy_is_inactive(policy);
> > -}
> > -
> > -/* Finds Next Acive/Inactive policy */
> > -static struct cpufreq_policy *next_policy(struct cpufreq_policy *policy,
> > - bool active)
> > -{
> > - do {
> > - /* No more policies in the list */
> > - if (list_is_last(&policy->policy_list, &cpufreq_policy_list))
> > - return NULL;
> > -
> > - policy = list_next_entry(policy, policy_list);
> > - } while (!suitable_policy(policy, active));
> > -
> > - return policy;
> > -}
> > -
> > -static struct cpufreq_policy *first_policy(bool active)
> > -{
> > - struct cpufreq_policy *policy;
> > -
> > - /* No policies in the list */
> > - if (list_empty(&cpufreq_policy_list))
> > - return NULL;
> > -
> > - policy = list_first_entry(&cpufreq_policy_list, typeof(*policy),
> > - policy_list);
> > -
> > - if (!suitable_policy(policy, active))
> > - policy = next_policy(policy, active);
> > -
> > - return policy;
> > -}
> > -
> > /* Macros to iterate over CPU policies */
> > -#define for_each_suitable_policy(__policy, __active) \
> > - for (__policy = first_policy(__active); \
> > - __policy; \
> > - __policy = next_policy(__policy, __active))
> > +#define for_each_suitable_policy(__policy, __active) \
> > + list_for_each_entry(__policy, &cpufreq_policy_list, policy_list) \
> > + if ((__active) == !policy_is_inactive(__policy))
> >
> > #define for_each_active_policy(__policy) \
> > for_each_suitable_policy(__policy, true)
>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Queued up for 4.6, thanks!