linux-kernel - Re: [PATCH] video: fbdev: arkfb: Remove the unused function dac_read

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Date:   Sun, 25 Sep 2022 13:09:55 +0200
From:   Helge Deller <deller@....de>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] video: fbdev: arkfb: Remove the unused function
 dac_read_reg()

On 9/14/22 12:23, Jiapeng Chong wrote:
> The function dac_read_reg() is defined in the arkfb.c file, but not
> called elsewhere, so delete this unused function.
>
> drivers/video/fbdev/arkfb.c:322:18: warning: unused function 'dac_read_reg'.
>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2155
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

applied.

Thanks,
Helge

> ---
>   drivers/video/fbdev/arkfb.c | 8 --------
>   1 file changed, 8 deletions(-)
>
> diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c
> index a317d9fe1d67..5f8fec9e5fd4 100644
> --- a/drivers/video/fbdev/arkfb.c
> +++ b/drivers/video/fbdev/arkfb.c
> @@ -318,14 +318,6 @@ struct dac_info
>   	void *data;
>   };
>
> -
> -static inline u8 dac_read_reg(struct dac_info *info, u8 reg)
> -{
> -	u8 code[2] = {reg, 0};
> -	info->dac_read_regs(info->data, code, 1);
> -	return code[1];
> -}
> -
>   static inline void dac_read_regs(struct dac_info *info, u8 *code, int count)
>   {
>   	info->dac_read_regs(info->data, code, count);