Re: [PATCH] staging: vt6655: Add braces to macro parameter 'iobase'

From: Greg Kroah-Hartman
Date: Sat Feb 04 2023 - 02:55:23 EST


On Sat, Feb 04, 2023 at 04:50:41AM +0100, Guru Mehar Rachaputi wrote:
> This patch is to fix checkpatch warning: "Macro argument 'iobase' may be better
> as '(iobase)' to avoid precedence issues.
>
> Signed-off-by: Guru Mehar Rachaputi <gurumeharrachaputi@xxxxxxxxx>
> ---
> drivers/staging/vt6655/mac.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
> index acf931c3f5fd..a33af2852227 100644
> --- a/drivers/staging/vt6655/mac.h
> +++ b/drivers/staging/vt6655/mac.h
> @@ -537,9 +537,9 @@
>
> /*--------------------- Export Macros ------------------------------*/
>
> -#define VT6655_MAC_SELECT_PAGE0(iobase) iowrite8(0, iobase + MAC_REG_PAGE1SEL)
> +#define VT6655_MAC_SELECT_PAGE0(iobase) iowrite8(0, (iobase) + MAC_REG_PAGE1SEL)

This change really doesn't make much sense, right? How about turning
these into an inline function instead? That would be the correct thing
to do overall, right?

thanks,

greg k-h