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From:   "Rafael J. Wysocki" <rafael@kernel.org>
Date:   Mon, 9 Jul 2018 23:36:47 +0200
Message-ID: <CAJZ5v0jzc-V1GWAQbYUTbYQVm_DGZp1GpwAq158uW6Z6Sv++uA@mail.gmail.com>
Subject: Re: [PATCH] cpufreq: use for_each_if
To:     Daniel Vetter <daniel.vetter@ffwll.ch>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        DRI Development <dri-devel@lists.freedesktop.org>,
        Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
        Daniel Vetter <daniel.vetter@intel.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Linux PM <linux-pm@vger.kernel.org>,
        Eric Engestrom <eric.engestrom@intel.com>
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On Mon, Jul 9, 2018 at 6:11 PM, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> Avoids the inverted condition compared to the open coded version.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
> Cc: Viresh Kumar <viresh.kumar@linaro.org>
> Cc: linux-pm@vger.kernel.org
> Cc: Eric Engestrom <eric.engestrom@intel.com>
> --
> v2: Fix the logic fumble in the 2nd hunk, spotted by Eric.

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Or do you want me to apply it?

> ---
>  include/linux/cpufreq.h | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> index 882a9b9e34bc..3a774f523d00 100644
> --- a/include/linux/cpufreq.h
> +++ b/include/linux/cpufreq.h
> @@ -649,9 +649,7 @@ static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
>
>  #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
> +               for_each_if (pos->frequency != CPUFREQ_ENTRY_INVALID)
>
>  /*
>   * cpufreq_for_each_valid_entry_idx -     iterate with index over a cpufreq
> @@ -663,9 +661,7 @@ static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
>
>  #define cpufreq_for_each_valid_entry_idx(pos, table, idx)              \
>         cpufreq_for_each_entry_idx(pos, table, idx)                     \
> -               if (pos->frequency == CPUFREQ_ENTRY_INVALID)            \
> -                       continue;                                       \
> -               else
> +               for_each_if (pos->frequency != CPUFREQ_ENTRY_INVALID)
>
>
>  int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
> --
> 2.18.0
>