linux-kernel - Re: [PATCH V2] tty: serial: imx: disable UCR4_OREN in .stop

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Message-ID: <20211123130313.gdxjfav6ides6mkg@pengutronix.de>
Date:   Tue, 23 Nov 2021 14:03:13 +0100
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Sherry Sun <sherry.sun@....com>
Cc:     gregkh@...uxfoundation.org, jirislaby@...nel.org,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx@....com
Subject: Re: [PATCH V2] tty: serial: imx: disable UCR4_OREN in .stop_rx()
 instead of .shutdown()

On Tue, Nov 23, 2021 at 06:51:22PM +0800, Sherry Sun wrote:
> From: Fugang Duan <fugang.duan@....com>
> 
> Disable the UCR4_OREN bit in .stop_rx() before the uart receiver is disabled
> maybe better than in the .shutdown() function.

There should be a better incentive than "maybe it's better to do this".
My expectation is that you verify there is indeed an issue and then fix
that with a descriptive commit log that convinces this is indeed a fix.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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