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Date: Fri, 10 Oct 2014 06:25:26 -0400
From: Peter Hurley <peter@...leysoftware.com>
To: Jingchang Lu <jingchang.lu@...escale.com>,
Stephen Warren <swarren@...dotorg.org>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC: "arnd@...db.de" <arnd@...db.de>, Joseph Lo <josephl@...dia.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] serial: of-serial: fix up PM ops on no_console_suspend
On 10/10/2014 02:16 AM, Jingchang Lu wrote:
>> From: Stephen Warren [mailto:swarren@...dotorg.org]
>> On 10/09/2014 02:10 AM, Jingchang Lu wrote:
>>> Mandatorily disabling the uart clock will cause register access hung
>>> on "no_console_suspend". This patch add condition check on it and only
>>> disable the clock with console_suspend_enabled true.
>>
>> It would be useful if the email/patch subject line said "V2", and there
>> was a changelog below.
> This is not a v2, patch "serial: of-serial: add PM suspend/resume support
> (commit 2dea53bf57783f243c892e99c10c6921e956aa7e)" has been merged into
> linux-next tree, this is a fixup on that PM ops.
Then please say so in the commit log. Something like,
Fix 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.
Regards,
Peter Hurley
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