linux-kernel - Re: [PATCH V1] serial: imx: revert setup DCEDTE early and ensure DCD and RI irqs to be off

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Message-ID: <20170523140941.l6cjvfdsvsg76cbx@pengutronix.de>
Date:   Tue, 23 May 2017 16:09:41 +0200
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Steve Twiss <stwiss.opensource@...semi.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        LINUX-KERNEL <linux-kernel@...r.kernel.org>,
        LINUX-SERIAL <linux-serial@...r.kernel.org>,
        Lucas Stach <l.stach@...gutronix.de>,
        Support Opensource <support.opensource@...semi.com>,
        kernel@...gutronix.de
Subject: Re: [PATCH V1] serial: imx: revert setup DCEDTE early and ensure DCD
 and RI irqs to be off

On Tue, May 23, 2017 at 01:17:26PM +0100, Steve Twiss wrote:
> From: Steve Twiss <stwiss.opensource@...semi.com>
> 
> Revert the commit e61c38d85b7392e ("serial: imx: setup DCEDTE early and
> ensure DCD and RI irqs to be off")
> 
> The patch submitted to setup DCEDTE early and ensure DCD and RI irqs to
> be off, causes a serial console display problem the i.MX6Q SABRESD board.
> The console becomes unreadable and unwritable.
> 
> Tested-by: Steve Twiss <stwiss.opensource@...semi.com>
> Signed-off-by: Steve Twiss <stwiss.opensource@...semi.com>

You're not the first to report this issue but you still have the chance
to be the first to test a suggested patch for it.

See

	http://marc.info/?l=linux-serial&m=149434029912947&w=2

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |