linux-kernel - Re: [PATCH] drivers: video: Fix 80 character limit and remove unnecessary space

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Date:   Wed, 23 Aug 2017 18:12:41 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Himanshu Jha <himanshujha199640@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH] drivers: video: Fix 80 character limit and remove
 unnecessary space


Hi,

Please use a more descriptive patch subject, i.e.
"fbdev: vgastate: fix checkpatch.pl reported warnings".

Please also cc: fbdev mailing list (linux-fbdev@...r.kernel.org
on fbdev patches).

On Monday, August 21, 2017 07:33:51 PM Himanshu Jha wrote:
> Fixes the following checkpatch warnings:
> WARNING: line over 80 characters
> WARNING: space prohibited between function name and open parenthesis '('
> WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable
> 
> Signed-off-by: Himanshu Jha <himanshujha199640@...il.com>
> ---
>  drivers/video/vgastate.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/video/vgastate.c b/drivers/video/vgastate.c
> index 548c751..a52283d 100644
> --- a/drivers/video/vgastate.c
> +++ b/drivers/video/vgastate.c
> @@ -31,8 +31,9 @@ struct regstate {
>  	__u8 misc;
>  };
>  
> -static inline unsigned char vga_rcrtcs(void __iomem *regbase, unsigned short iobase,
> -				       unsigned char reg)
> +static inline unsigned char vga_rcrtcs(void __iomem *regbase,
> +						unsigned short iobase,
> +							unsigned char reg)

This is not an improvement and doesn't conform to the kernel CodingStyle.

It should be:

static inline unsigned char vga_rcrtcs(void __iomem *regbase,
				       unsigned short iobase,
				       unsigned char reg)

>  {
>  	vga_w(regbase, iobase + 0x4, reg);
>  	return vga_r(regbase, iobase + 0x5);
> @@ -454,8 +455,9 @@ int save_vga(struct vgastate *state)
>  	}
>  	return 0;
>  }
> +EXPORT_SYMBOL(save_vga);
>  
> -int restore_vga (struct vgastate *state)
> +int restore_vga(struct vgastate *state)
>  {
>  	if (state->vidstate == NULL)
>  		return 1;
> @@ -480,8 +482,6 @@ int restore_vga (struct vgastate *state)
>  	vga_cleanup(state);
>  	return 0;
>  }
> -
> -EXPORT_SYMBOL(save_vga);
>  EXPORT_SYMBOL(restore_vga);
>  
>  MODULE_AUTHOR("James Simmons <jsimmons@...rs.sf.net>");

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics