From: Andrew Morton <akpm@linux-foundation.org>
To: Matthew Garrett <matthew.garrett@nebula.com>
Cc: a.zummo@towertech.it, rtc-linux@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RTC: Restore alarm after resume
Date: Mon, 5 Jan 2015 14:41:44 -0800 [thread overview]
Message-ID: <20150105144144.46a4792e90e5800b1d865cdd@linux-foundation.org> (raw)
In-Reply-To: <1419275979-24307-1-git-send-email-matthew.garrett@nebula.com>
On Mon, 22 Dec 2014 19:19:39 +0000 Matthew Garrett <matthew.garrett@nebula.com> wrote:
> Some platform firmware may interfere with the RTC alarm over suspend,
> resulting in the kernel and hardware having different ideas about system state
> but also potentially causing problems with firmware that assumes the OS will
> clean this case up. This patch saves the RTC alarm state on suspend and will
> restore it on resume if the alarm has not yet fired - if it has, it will clear
> the RTC alarm.
There's not really enough info here for me to decide which kernel
version(s) need the patch. Can we please expand on "some"? Any
suggestions regarding the importance/timing of the fix?
next prev parent reply other threads:[~2015-01-05 22:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-22 19:19 [PATCH] RTC: Restore alarm after resume Matthew Garrett
2015-01-05 22:41 ` Andrew Morton [this message]
2015-01-05 22:50 ` Matthew Garrett
2015-03-27 13:22 ` Alexandre Belloni
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