Re: [PATCH] staging: rts5208: Add parenthesis to macro arguments

From: Dan Carpenter
Date: Fri Oct 20 2023 - 03:38:34 EST


On Thu, Oct 19, 2023 at 11:54:39PM -0700, kenechukwu maduechesi wrote:
> Checkpatch suggests using (reg) and (host) instead of reg and host
>
> The use of parenthesis in the macro argument '(reg)' ensures proper
> precedence and resolves potential issues that may arise due to the
> surrounding code context. This modification adheres to the recommended
> coding style and improves the readability or maintainability of the
> code.
>
> Signed-off-by: kenechukwu maduechesi <maduechesik@xxxxxxxxx>
> ---
> drivers/staging/rts5208/rtsx.h | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/rts5208/rtsx.h b/drivers/staging/rts5208/rtsx.h
> index 2e101da83220..7d3373797eb4 100644
> --- a/drivers/staging/rts5208/rtsx.h
> +++ b/drivers/staging/rts5208/rtsx.h
> @@ -39,17 +39,17 @@
> /*
> * macros for easy use
> */
> -#define rtsx_writel(chip, reg, value) \
> +#define rtsx_writel(chip, (reg), value) \

This will break the build. But also someone already fixed this in
linux-next.

> iowrite32(value, (chip)->rtsx->remap_addr + reg)

regards,
dan carpenter