Re: [PATCH] cpufreq: highbank: do not initialize array with a loop

[Viresh Kumar]

On Sun, Feb 24, 2013 at 10:31 PM, Emilio López <emilio@xxxxxxxxxxxxx> wrote:
> As uninitialized array members will be initialized to zero, we can
> avoid using a for loop by setting a value to it.
>
> Signed-off-by: Emilio López <emilio@xxxxxxxxxxxxx>
> ---
> Note that I don't own any device using this driver, it has only been compile
> tested, but it shouldn't cause any issues.
>
>  drivers/cpufreq/highbank-cpufreq.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
> index 66e3a71..30d4ae1 100644
> --- a/drivers/cpufreq/highbank-cpufreq.c
> +++ b/drivers/cpufreq/highbank-cpufreq.c
> @@ -28,13 +28,9 @@
>
>  static int hb_voltage_change(unsigned int freq)
>  {
> -       int i;
> -       u32 msg[HB_CPUFREQ_IPC_LEN];
> +       u32 msg[HB_CPUFREQ_IPC_LEN] = {HB_CPUFREQ_CHANGE_NOTE};
>
> -       msg[0] = HB_CPUFREQ_CHANGE_NOTE;
>         msg[1] = freq / 1000000;

I think this can also be part of the definition of array, isn't it?

So it would be something like:

u32 msg[HB_CPUFREQ_IPC_LEN] = {HB_CPUFREQ_CHANGE_NOTE, freq / 1000000};

> -       for (i = 2; i < HB_CPUFREQ_IPC_LEN; i++)
> -               msg[i] = 0;
>
>         return pl320_ipc_transmit(msg);
>  }
> --
> 1.8.2.rc0
>
>
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