linux-kernel - Re: [PATCHv4] serial: of-serial: fix up PM ops on no_console

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Message-ID: <543CFB69.50300@hurleysoftware.com>
Date:	Tue, 14 Oct 2014 06:31:05 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Jingchang Lu <jingchang.lu@...escale.com>,
	gregkh@...uxfoundation.org
CC:	arnd@...db.de, linux-serial@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv4] serial: of-serial: fix up PM ops on no_console_suspend
 and port type

On 10/14/2014 04:42 AM, Jingchang Lu wrote:
> This patch fixes commit 2dea53bf57783f243c892e99c10c6921e956aa7e,
> "serial: of-serial: add PM suspend/resume support", which disables
> the uart clock on suspend, but also causes a hardware hang on register
> access if no_console_suspend command line option is used.
> 
> Also, not every of_serial device is an 8250 port, so the serial8250
> suspend/resume functions should only be applied to a real 8250 port.

Thanks.

Reviewed-by: Peter Hurley <peter@...leysoftware.com>

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