Re: [PATCH v2] cpufreq: highbank: do not initialize array with a loop

From: Viresh Kumar
Date: Mon Feb 25 2013 - 06:12:35 EST


On Mon, Feb 25, 2013 at 4:37 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.
>
> Changes v1 -> v2:
> * Move freq / 1000000 to the array definition as suggested by Viresh Kumar
>
> drivers/cpufreq/highbank-cpufreq.c | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
> index 66e3a71..b61b5a3 100644
> --- a/drivers/cpufreq/highbank-cpufreq.c
> +++ b/drivers/cpufreq/highbank-cpufreq.c
> @@ -28,13 +28,7 @@
>
> static int hb_voltage_change(unsigned int freq)
> {
> - int i;
> - u32 msg[HB_CPUFREQ_IPC_LEN];
> -
> - msg[0] = HB_CPUFREQ_CHANGE_NOTE;
> - msg[1] = freq / 1000000;
> - for (i = 2; i < HB_CPUFREQ_IPC_LEN; i++)
> - msg[i] = 0;
> + u32 msg[HB_CPUFREQ_IPC_LEN] = {HB_CPUFREQ_CHANGE_NOTE, freq / 1000000};

If you haven't crossed 80 width:

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

>
> return pl320_ipc_transmit(msg);
> }
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