linux-kernel - Re: [PATCH 1/2] serial: imx: Introduce timeout when waiting on transmitter empty

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Message-ID: <20240405-amused-cascade-0801f31c674a-mkl@pengutronix.de>
Date: Fri, 5 Apr 2024 19:33:50 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Esben Haabendal <esben@...nix.com>
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

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.

Marc

-- 
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