Re: [PATCH] platform/x86: intel_ips: remove redundant variables slope and offset

From: Andy Shevchenko
Date: Fri Jul 13 2018 - 10:52:28 EST


On Wed, Jul 11, 2018 at 11:09 AM, Colin King <colin.king@xxxxxxxxxxxxx> wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Variables slope and offset are being assigned but are never used hence
> they are redundant and can be removed.
>

Sounds like some half-baked calculus and perhaps would be fixed
better. Though, no one complained so far and git will keep previous
version in index anyway.

> Cleans up clang warnings:
> warning: variable 'slope' set but not used [-Wunused-but-set-variable]
> warning: variable 'offset' set but not used [-Wunused-but-set-variable]
>

Pushed to my review and testing queue, thanks!

> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/platform/x86/intel_ips.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
> index 014fc1634a3d..c5ece7ef08c6 100644
> --- a/drivers/platform/x86/intel_ips.c
> +++ b/drivers/platform/x86/intel_ips.c
> @@ -858,10 +858,7 @@ static u16 read_mgtv(struct ips_driver *ips)
>
> static u16 read_ptv(struct ips_driver *ips)
> {
> - u16 val, slope, offset;
> -
> - slope = (ips->pta_val & PTA_SLOPE_MASK) >> PTA_SLOPE_SHIFT;
> - offset = ips->pta_val & PTA_OFFSET_MASK;
> + u16 val;
>
> val = thm_readw(THM_PTV) & PTV_MASK;
>
> --
> 2.17.1
>



--
With Best Regards,
Andy Shevchenko