Re: [PATCH 1/2] media: zoran: add spaces around '<<'

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On Fri, Apr 09, 2021 at 09:23:22AM +0200, Hans Verkuil wrote:
> Hi Mitali,
> 
> On 08/04/2021 22:38, Mitali Borkar wrote:
> > Added spaces around '<<' operator to improve readability and meet linux
> > kernel coding style.
> > Reported by checkpatch
> > 
> > Signed-off-by: Mitali Borkar <mitaliborkar810@xxxxxxxxx>
> > ---
> >  drivers/staging/media/zoran/zr36057.h | 14 +++++++-------
> >  1 file changed, 7 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/staging/media/zoran/zr36057.h b/drivers/staging/media/zoran/zr36057.h
> > index 71b651add35a..a2a75fd9f535 100644
> > --- a/drivers/staging/media/zoran/zr36057.h
> > +++ b/drivers/staging/media/zoran/zr36057.h
> > @@ -30,13 +30,13 @@
> >  #define ZR36057_VFESPFR_HOR_DCM          14
> >  #define ZR36057_VFESPFR_VER_DCM          8
> >  #define ZR36057_VFESPFR_DISP_MODE        6
> > -#define ZR36057_VFESPFR_YUV422          (0<<3)
> > -#define ZR36057_VFESPFR_RGB888          (1<<3)
> > -#define ZR36057_VFESPFR_RGB565          (2<<3)
> > -#define ZR36057_VFESPFR_RGB555          (3<<3)
> > -#define ZR36057_VFESPFR_ERR_DIF          (1<<2)
> > -#define ZR36057_VFESPFR_PACK24          (1<<1)
> > -#define ZR36057_VFESPFR_LITTLE_ENDIAN    (1<<0)
> > +#define ZR36057_VFESPFR_YUV422          (0 << 3)
> > +#define ZR36057_VFESPFR_RGB888          (1 << 3)
> > +#define ZR36057_VFESPFR_RGB565          (2 << 3)
> > +#define ZR36057_VFESPFR_RGB555          (3 << 3)
> > +#define ZR36057_VFESPFR_ERR_DIF          (1 << 2)
> > +#define ZR36057_VFESPFR_PACK24          (1 << 1)
> > +#define ZR36057_VFESPFR_LITTLE_ENDIAN    (1 << 0)
> >  
> >  #define ZR36057_VDTR            0x00c	/* Video Display "Top" Register */
> >  
> > 
> 
> I looked at that header and it is very messy.
> 
> Can you make two new patches? The first aligns every nicely, e.g. this:
> 
> #define ZR36057_VFEHCR          0x000   /* Video Front End, Horizontal Configuration Register */
> #define ZR36057_VFEHCR_HS_POL             BIT(30)
> #define ZR36057_VFEHCR_H_START           10
> #define ZR36057_VFEHCR_H_END            0
> #define ZR36057_VFEHCR_HMASK            0x3ff
> 
> should become:
> 
> /* Video Front End, Horizontal Configuration Register */
> #define ZR36057_VFEHCR			0x000
> #define ZR36057_VFEHCR_HS_POL		BIT(30)
> #define ZR36057_VFEHCR_H_START		10
> #define ZR36057_VFEHCR_H_END		0
> #define ZR36057_VFEHCR_HMASK		0x3ff
> 
> Same for all the other register blocks. Use tabs to do the alignment
> instead of spaces, as is currently the case.
>
> The second patch can replace the (0<<3) etc. to BIT(0).
>
Then I guess only one new patch would be needed for proper alignment, am
i right? I have to rename it as v2 or should send as a completely new
patch?
> That would be a nice cleanup of this rather messy header.
> 
> Thanks!
> 
> 	Hans




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