Re: [PATCH LINUX v3 05/10] tty: xuartps: Improve startup function

From: SÃren Brinkmann
Date: Sat Dec 05 2015 - 16:48:09 EST


On Sat, 2015-12-05 at 12:21PM -0500, Peter Hurley wrote:
> On 11/21/2015 09:59 PM, Soren Brinkmann wrote:
> > The startup function is supposed to initialize the UART for receiving.
> > Hence, don't enable the TX part. Also, protect HW accesses with the port
> > lock.
>
> Reviewed-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
>
> NB: the request_irq() should be _after_ h/w programming, otherwise an
> interrupt could be triggered and in-progress before the h/w has been
> setup.

Thanks for pointing that out. I'll patch that.

SÃren
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