From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Chanho Park <chanho61.park@samsung.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Hector Martin <marcan@marcan.st>,
Jaewon Kim <jaewon02.kim@samsung.com>,
Vincent Whitchurch <vincent.whitchurch@axis.com>,
linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] tty: serial: samsung_tty: loopback mode support
Date: Mon, 27 Jun 2022 13:28:32 +0200 [thread overview]
Message-ID: <07afc435-90fc-34f7-8357-e212c81867b0@linaro.org> (raw)
In-Reply-To: <20220627032353.8868-1-chanho61.park@samsung.com>
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@samsung.com>
> ---
> drivers/tty/serial/samsung_tty.c | 19 ++++++++++++++++---
> 1 file changed, 16 insertions(+), 3 deletions(-)
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-06-27 11:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220627032556epcas2p26c2cd2786888a5018607bf651bc5dec0@epcas2p2.samsung.com>
2022-06-27 3:23 ` [PATCH] tty: serial: samsung_tty: loopback mode support Chanho Park
2022-06-27 11:28 ` Krzysztof Kozlowski [this message]
2022-06-27 11:46 ` Ilpo Järvinen
2022-06-28 11:55 ` Chanho Park
2022-06-27 12:39 ` Greg Kroah-Hartman
2022-06-28 4:49 ` Chanho Park
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