Re: [PATCH] cpufreq: Simplify the cpufreq_for_each_valid_entry()

From: Viresh Kumar
Date: Thu Feb 25 2016 - 21:32:30 EST


On 26-02-16, 00:22, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> That macro uses an internal static inline function that is first
> totally unnecessary and second hard to read, so simplify it and
> get rid of that monster.
>
> No functional changes.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
> include/linux/cpufreq.h | 17 +++++------------
> 1 file changed, 5 insertions(+), 12 deletions(-)
>
> Index: linux-pm/include/linux/cpufreq.h
> ===================================================================
> --- linux-pm.orig/include/linux/cpufreq.h
> +++ linux-pm/include/linux/cpufreq.h
> @@ -534,16 +534,6 @@ static inline void dev_pm_opp_free_cpufr
> }
> #endif
>
> -static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos)
> -{
> - while ((*pos)->frequency != CPUFREQ_TABLE_END)
> - if ((*pos)->frequency != CPUFREQ_ENTRY_INVALID)
> - return true;
> - else
> - (*pos)++;
> - return false;
> -}
> -
> /*
> * cpufreq_for_each_entry - iterate over a cpufreq_frequency_table
> * @pos: the cpufreq_frequency_table * to use as a loop cursor.
> @@ -560,8 +550,11 @@ static inline bool cpufreq_next_valid(st
> * @table: the cpufreq_frequency_table * to iterate over.
> */
>
> -#define cpufreq_for_each_valid_entry(pos, table) \
> - for (pos = table; cpufreq_next_valid(&pos); pos++)
> +#define cpufreq_for_each_valid_entry(pos, table) \
> + for (pos = table; pos->frequency != CPUFREQ_TABLE_END; pos++) \
> + if (pos->frequency == CPUFREQ_ENTRY_INVALID) \
> + continue; \
> + else
>
> int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
> struct cpufreq_frequency_table *table);

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

--
viresh