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

Esben Haabendal esben at geanix.com
Mon Apr 8 01:57:20 PDT 2024


Marc Kleine-Budde <mkl at pengutronix.de> writes:

> On 05.04.2024 19:22:29, Esben Haabendal wrote:
>> Marc Kleine-Budde <mkl at pengutronix.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 at geanix.com>
>> >> Acked-by: Marc Kleine-Budde <mkl at pengutronix.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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