[PATCH] tty: serial: samsung_tty: loopback mode support

[Krzysztof Kozlowski]

On 27/06/2022 05:23, Chanho Park wrote:
> Internal loopback mode can be supported by setting
> S3C2443_UCON_LOOPBACK bit. The mode & bit can be supported since
> s3c2410 and later SoCs. We can test it by linux-serial-test program[1]
> with -k option. It will set TIOCM_LOOP mode during test.
> 
> -k, --loopback     Use internal hardware loop back
> 
> [1]: https://github.com/cbrake/linux-serial-test
> Signed-off-by: Chanho Park <chanho61.park at samsung.com>
> ---
>  drivers/tty/serial/samsung_tty.c | 19 ++++++++++++++++---
>  1 file changed, 16 insertions(+), 3 deletions(-)


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>


Best regards,
Krzysztof