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

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Date:	Sat, 5 Dec 2015 13:47:09 -0800
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Peter Hurley <peter@...leysoftware.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>,
	Michal Simek <michal.simek@...inx.com>,
	<linux-serial@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH LINUX v3 05/10] tty: xuartps: Improve startup function

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@...leysoftware.com>
> 
> 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.

	Sören
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