Re: [PATCH] staging: media: omap4iss: code style - avoid macro argument precedence issues

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Hi Nikolay,

Thank you for the patch.

On Sun, Feb 21, 2021 at 10:53:08PM +0300, Nikolay Kyx wrote:
> This patch fixes the following checkpatch.pl check:
> 
> CHECK: Macro argument 'i' may be better as '(i)' to avoid precedence issues
> 
> in file iss_regs.h
> 
> Signed-off-by: Nikolay Kyx <knv418@xxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> 
> Additionally some style warnings remain valid here and could be fixed by
> another patch.
> 
>  drivers/staging/media/omap4iss/iss_regs.h | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/staging/media/omap4iss/iss_regs.h b/drivers/staging/media/omap4iss/iss_regs.h
> index 09a7375c89ac..cfe0bb075072 100644
> --- a/drivers/staging/media/omap4iss/iss_regs.h
> +++ b/drivers/staging/media/omap4iss/iss_regs.h
> @@ -197,7 +197,7 @@
>  #define CSI2_TIMING_STOP_STATE_COUNTER_IO1_MASK		(0x1fff << 0)
>  #define CSI2_TIMING_STOP_STATE_COUNTER_IO1_SHIFT	0
>  
> -#define CSI2_CTX_CTRL1(i)				(0x70 + (0x20 * i))
> +#define CSI2_CTX_CTRL1(i)				(0x70 + (0x20 * (i)))
>  #define CSI2_CTX_CTRL1_GENERIC				BIT(30)
>  #define CSI2_CTX_CTRL1_TRANSCODE			(0xf << 24)
>  #define CSI2_CTX_CTRL1_FEC_NUMBER_MASK			(0xff << 16)
> @@ -210,7 +210,7 @@
>  #define CSI2_CTX_CTRL1_PING_PONG			BIT(3)
>  #define CSI2_CTX_CTRL1_CTX_EN				BIT(0)
>  
> -#define CSI2_CTX_CTRL2(i)				(0x74 + (0x20 * i))
> +#define CSI2_CTX_CTRL2(i)				(0x74 + (0x20 * (i)))
>  #define CSI2_CTX_CTRL2_FRAME_MASK			(0xffff << 16)
>  #define CSI2_CTX_CTRL2_FRAME_SHIFT			16
>  #define CSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT		13
> @@ -222,19 +222,19 @@
>  #define CSI2_CTX_CTRL2_FORMAT_MASK			(0x3ff << 0)
>  #define CSI2_CTX_CTRL2_FORMAT_SHIFT			0
>  
> -#define CSI2_CTX_DAT_OFST(i)				(0x78 + (0x20 * i))
> +#define CSI2_CTX_DAT_OFST(i)				(0x78 + (0x20 * (i)))
>  #define CSI2_CTX_DAT_OFST_MASK				(0xfff << 5)
>  
> -#define CSI2_CTX_PING_ADDR(i)				(0x7c + (0x20 * i))
> +#define CSI2_CTX_PING_ADDR(i)				(0x7c + (0x20 * (i)))
>  #define CSI2_CTX_PING_ADDR_MASK				0xffffffe0
>  
> -#define CSI2_CTX_PONG_ADDR(i)				(0x80 + (0x20 * i))
> +#define CSI2_CTX_PONG_ADDR(i)				(0x80 + (0x20 * (i)))
>  #define CSI2_CTX_PONG_ADDR_MASK				CSI2_CTX_PING_ADDR_MASK
>  
> -#define CSI2_CTX_IRQENABLE(i)				(0x84 + (0x20 * i))
> -#define CSI2_CTX_IRQSTATUS(i)				(0x88 + (0x20 * i))
> +#define CSI2_CTX_IRQENABLE(i)				(0x84 + (0x20 * (i)))
> +#define CSI2_CTX_IRQSTATUS(i)				(0x88 + (0x20 * (i)))
>  
> -#define CSI2_CTX_CTRL3(i)				(0x8c + (0x20 * i))
> +#define CSI2_CTX_CTRL3(i)				(0x8c + (0x20 * (i)))
>  #define CSI2_CTX_CTRL3_ALPHA_SHIFT			5
>  #define CSI2_CTX_CTRL3_ALPHA_MASK			\
>  		(0x3fff << CSI2_CTX_CTRL3_ALPHA_SHIFT)

-- 
Regards,

Laurent Pinchart



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