Re: [PATCH v4 1/3] tty: serial: samsung: Use BIT() macro for APPLE_S5L_*

[Andi Shyti]

Hi Nick,

On Mon, Sep 09, 2024 at 04:37:25PM GMT, Nick Chan wrote:
> New entries using BIT() will be added soon, so change the existing ones
> for consistency.
> 
> Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>

I think this is:

Suggested-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

> ---
>  include/linux/serial_s3c.h | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/include/linux/serial_s3c.h b/include/linux/serial_s3c.h
> index 1672cf0810ef..1e8686695487 100644
> --- a/include/linux/serial_s3c.h
> +++ b/include/linux/serial_s3c.h
> @@ -249,9 +249,9 @@
>  #define APPLE_S5L_UCON_RXTO_ENA		9
>  #define APPLE_S5L_UCON_RXTHRESH_ENA	12
>  #define APPLE_S5L_UCON_TXTHRESH_ENA	13
> -#define APPLE_S5L_UCON_RXTO_ENA_MSK	(1 << APPLE_S5L_UCON_RXTO_ENA)
> -#define APPLE_S5L_UCON_RXTHRESH_ENA_MSK	(1 << APPLE_S5L_UCON_RXTHRESH_ENA)
> -#define APPLE_S5L_UCON_TXTHRESH_ENA_MSK	(1 << APPLE_S5L_UCON_TXTHRESH_ENA)
> +#define APPLE_S5L_UCON_RXTO_ENA_MSK	BIT(APPLE_S5L_UCON_RXTO_ENA)
> +#define APPLE_S5L_UCON_RXTHRESH_ENA_MSK	BIT(APPLE_S5L_UCON_RXTHRESH_ENA)
> +#define APPLE_S5L_UCON_TXTHRESH_ENA_MSK	BIT(APPLE_S5L_UCON_TXTHRESH_ENA)
>  
>  #define APPLE_S5L_UCON_DEFAULT		(S3C2410_UCON_TXIRQMODE | \
>  					 S3C2410_UCON_RXIRQMODE | \
> @@ -260,9 +260,9 @@
>  					 APPLE_S5L_UCON_RXTHRESH_ENA_MSK | \
>  					 APPLE_S5L_UCON_TXTHRESH_ENA_MSK)
>  
> -#define APPLE_S5L_UTRSTAT_RXTHRESH	(1<<4)
> -#define APPLE_S5L_UTRSTAT_TXTHRESH	(1<<5)
> -#define APPLE_S5L_UTRSTAT_RXTO		(1<<9)
> +#define APPLE_S5L_UTRSTAT_RXTHRESH	BIT(4)
> +#define APPLE_S5L_UTRSTAT_TXTHRESH	BIT(5)
> +#define APPLE_S5L_UTRSTAT_RXTO		BIT(9)
>  #define APPLE_S5L_UTRSTAT_ALL_FLAGS	(0x3f0)

You could make this GENMASK(0x3f, 4)

Andi