Re: [PATCH] staging: vt6655: correct coding style issue

From: Greg KH
Date: Sun May 04 2014 - 17:27:09 EST


On Sun, May 04, 2014 at 09:52:09PM +0200, Clément Calmels wrote:
> Remove C99 comment and rewrite lines over 80 characters.
> Warnings and error found by checkpatch.pl script.
>
> Signed-off-by: Clément Calmels <clement.calmels@xxxxxxx>
> ---
> drivers/staging/vt6655/tmacro.h | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/vt6655/tmacro.h b/drivers/staging/vt6655/tmacro.h
> index 59c6e72..264c6ed 100644
> --- a/drivers/staging/vt6655/tmacro.h
> +++ b/drivers/staging/vt6655/tmacro.h
> @@ -44,17 +44,22 @@
> #define LOWORD(d) ((unsigned short)(d))
> #endif
> #if !defined(HIWORD)
> -#define HIWORD(d) ((unsigned short)((((unsigned long)(d)) >> 16) & 0xFFFF))
> +#define HIWORD(d) \
> + ((unsigned short)((((unsigned long)(d)) >> 16) & 0xFFFF))
> #endif
>
> #define LODWORD(q) ((q).u.dwLowDword)
> #define HIDWORD(q) ((q).u.dwHighDword)
>
> #if !defined(MAKEWORD)
> -#define MAKEWORD(lb, hb) ((unsigned short)(((unsigned char)(lb)) | (((unsigned short)((unsigned char)(hb))) << 8)))
> +#define MAKEWORD(lb, hb)\
> + ((unsigned short)(((unsigned char)(lb)) \
> + | (((unsigned short)((unsigned char)(hb))) << 8)))
> #endif
> #if !defined(MAKEDWORD)
> -#define MAKEDWORD(lw, hw) ((unsigned long)(((unsigned short)(lw)) | (((unsigned long)((unsigned short)(hw))) << 16)))
> +#define MAKEDWORD(lw, hw)\
> + ((unsigned long)(((unsigned short)(lw)) \
> + | (((unsigned long)((unsigned short)(hw))) << 16)))
> #endif
>
> -#endif // __TMACRO_H__
> +#endif /* __TMACRO_H__ */

Why not just switch to use the built-in macros the kernel provides for
this?

greg k-h
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