linux-kernel - Re: [PATCH] drm: xlnx: remove defined but not used 'scaling_factors

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Message-ID: <20200910181418.GA3187626@xilinx.com>
Date:   Thu, 10 Sep 2020 11:14:18 -0700
From:   Hyun Kwon <hyun.kwon@...inx.com>
To:     Jason Yan <yanaijie@...wei.com>
Cc:     "laurent.pinchart@...asonboard.com" 
        <laurent.pinchart@...asonboard.com>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        Michal Simek <michals@...inx.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH] drm: xlnx: remove defined but not used
 'scaling_factors_666'

Hi Jason,

On Thu, Sep 10, 2020 at 07:06:30AM -0700, Jason Yan wrote:
> This addresses the following gcc warning with "make W=1":
> 
> drivers/gpu/drm/xlnx/zynqmp_disp.c:245:18: warning:
> ‘scaling_factors_666’ defined but not used [-Wunused-const-variable=]
>   245 | static const u32 scaling_factors_666[] = {
>       |                  ^~~~~~~~~~~~~~~~~~~
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Jason Yan <yanaijie@...wei.com>

Reviewed-by: Hyun Kwon <hyun.kwon@...inx.com>

Thanks!

-hyun

> ---
>  drivers/gpu/drm/xlnx/zynqmp_disp.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> index a455cfc1bee5..98bd48f13fd1 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> @@ -242,12 +242,6 @@ static const u32 scaling_factors_565[] = {
>  	ZYNQMP_DISP_AV_BUF_5BIT_SF,
>  };
>  
> -static const u32 scaling_factors_666[] = {
> -	ZYNQMP_DISP_AV_BUF_6BIT_SF,
> -	ZYNQMP_DISP_AV_BUF_6BIT_SF,
> -	ZYNQMP_DISP_AV_BUF_6BIT_SF,
> -};
> -
>  static const u32 scaling_factors_888[] = {
>  	ZYNQMP_DISP_AV_BUF_8BIT_SF,
>  	ZYNQMP_DISP_AV_BUF_8BIT_SF,
> -- 
> 2.25.4
>