Re: [PATCH] intel_pstate: Clean up intel_pstate_get()

From: Srinivas Pandruvada
Date: Mon May 09 2016 - 15:22:08 EST


On Sat, 2016-05-07 at 02:24 +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> intel_pstate_get() contains a local variable that's initialized but
> never used and it can be written in fewer lines of code, so clean
> it up.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>

> ---
> Âdrivers/cpufreq/intel_pstate.c |ÂÂÂÂ9 ++-------
> Â1 file changed, 2 insertions(+), 7 deletions(-)
>
> Index: linux-pm/drivers/cpufreq/intel_pstate.c
> ===================================================================
> --- linux-pm.orig/drivers/cpufreq/intel_pstate.c
> +++ linux-pm/drivers/cpufreq/intel_pstate.c
> @@ -1390,14 +1390,9 @@ static int intel_pstate_init_cpu(unsigne
> Â
> Âstatic unsigned int intel_pstate_get(unsigned int cpu_num)
> Â{
> - struct sample *sample;
> - struct cpudata *cpu;
> + struct cpudata *cpu = all_cpu_data[cpu_num];
> Â
> - cpu = all_cpu_data[cpu_num];
> - if (!cpu)
> - return 0;
> - sample = &cpu->sample;
> - return get_avg_frequency(cpu);
> + return cpu ? get_avg_frequency(cpu) : 0;
> Â}
> Â
> Âstatic void intel_pstate_set_update_util_hook(unsigned int cpu_num)
>