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Message-ID: <87plv0kz9r.fsf@geanix.com>
Date: Mon, 08 Apr 2024 10:57:20 +0200
From: Esben Haabendal <esben@...nix.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby
<jirislaby@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer
<s.hauer@...gutronix.de>, Pengutronix Kernel Team
<kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>,
linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] serial: imx: Introduce timeout when waiting on
transmitter empty
Marc Kleine-Budde <mkl@...gutronix.de> writes:
> On 05.04.2024 19:22:29, Esben Haabendal wrote:
>> Marc Kleine-Budde <mkl@...gutronix.de> writes:
>>
>> > On 05.04.2024 11:25:13, Esben Haabendal wrote:
>> >> By waiting at most 1 second for USR2_TXDC to be set, we avoid a potentital
>> >> deadlock.
>> >>
>> >> In case of the timeout, there is not much we can do, so we simply ignore
>> >> the transmitter state and optimistically try to continue.
>> >>
>> >> Signed-off-by: Esben Haabendal <esben@...nix.com>
>> >> Acked-by: Marc Kleine-Budde <mkl@...gutronix.de>
>> >
>> > Where's the cover letter and patch 2/2? Have a look at b4 [1], it's a
>> > great tool to help you with sending git patch series.
>>
>> It is left out on purpose.
>>
>> This patch is a stand-alone patch as it is. The other part of the series
>> you are talking about is not going to mainline for now. It needs still
>> quite some work, and will only go in after all the other printk stuff.
>>
>> I hope we can merge this patch as it to mainline now, instead of piling
>> up more than necessary in the rt tree.
>
> Ok, then send it as patch 1/1.
Sure. Sorry about that.
/Esben
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