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SubjectRe: [PATCH v2 08/13] tty: serial: atmel: Define GCLK as USART baudrate source clock
On Tue, 6 Sep 2022, Sergiu Moga wrote:

> Define the bit that represents the choice of having GCLK as a baudrate
> source clock inside the USCLKS bitmask of the Mode Register of
> USART IP's.
>
> Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
> ---
>
>
> v1 -> v2:
> - Nothing, this patch was not here before
>
>
>
> drivers/tty/serial/atmel_serial.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/tty/serial/atmel_serial.h b/drivers/tty/serial/atmel_serial.h
> index 0d8a0f9cc5c3..70d0611e56fd 100644
> --- a/drivers/tty/serial/atmel_serial.h
> +++ b/drivers/tty/serial/atmel_serial.h
> @@ -49,6 +49,7 @@
> #define ATMEL_US_USCLKS GENMASK(5, 4) /* Clock Selection */
> #define ATMEL_US_USCLKS_MCK (0 << 4)
> #define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4)
> +#define ATMEL_US_USCLKS_GCLK (2 << 4)

This would be FIELD_PREP(ATMEL_US_USCLKS, 2) from linux/bitfield.h.

They should all be converted to use FIELD_PREP(), IMHO (in a separate
patch).

> #define ATMEL_US_USCLKS_SCK (3 << 4)
> #define ATMEL_US_CHRL GENMASK(7, 6) /* Character Length */
> #define ATMEL_US_CHRL_5 (0 << 6)
>

--
i.

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