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

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Date:   Wed, 23 Aug 2017 14:32:42 -0700
From:   Joe Perches <joe@...ches.com>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        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

On Wed, 2017-08-23 at 18:12 +0200, Bartlomiej Zolnierkiewicz wrote:
> 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
[]
> > diff --git 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);

Better to remove the inline and let the compiler decide too.

Perhaps:

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