From: Alan Stern <stern@rowland.harvard.edu>
To: Kevin Hilman <khilman@ti.com>, "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-i2c@vger.kernel.org, Ben Dooks <ben-linux@fluff.org>,
Linux-pm mailing list <linux-pm@lists.linux-foundation.org>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] i2c: OMAP: fix static suspend vs. runtime suspend
Date: Mon, 31 Jan 2011 11:22:50 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44L0.1101311119190.1931-100000__3434.2503677637$1296491515$gmane$org@iolanthe.rowland.org> (raw)
In-Reply-To: <877hdl9hsn.fsf@ti.com>
On Mon, 31 Jan 2011, Kevin Hilman wrote:
> I understand how this works, but frankly I'm still a bit fuzzy on why.
>
> I guess I'm still missing a good understanding of what "interfering with a
> system power transition" means, and why a runtime suspend qualifies as
> interfering but not a runtime resume.
These are good questions. Rafael implemented this design originally;
my contribution was only to warn him of the potential for problems.
Therefore he should explain the rationale for the design.
> More specifically, the reason for $SUBJECT patch is precisely because a
> runtime resume is allowed, a runtime suspend is not, and thus a system
> power transititon is prevented.
Alan Stern
next prev parent reply other threads:[~2011-01-31 16:22 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-28 0:18 [PATCH] i2c: OMAP: fix static suspend vs. runtime suspend Kevin Hilman
2011-01-28 0:18 ` Kevin Hilman
2011-01-31 11:28 ` Rajendra Nayak
2011-01-31 11:28 ` Rajendra Nayak
2011-01-31 11:28 ` Rajendra Nayak
2011-01-31 15:13 ` [linux-pm] " Alan Stern
2011-01-31 15:13 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1101311010580.1931-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2011-01-31 15:28 ` Rajendra Nayak
2011-01-31 15:28 ` Rajendra Nayak
2011-01-31 15:28 ` Rajendra Nayak
2011-01-31 16:09 ` [linux-pm] " Kevin Hilman
2011-01-31 16:09 ` Kevin Hilman
[not found] ` <877hdl9hsn.fsf-l0cyMroinI0@public.gmane.org>
2011-01-31 16:22 ` Alan Stern
2011-01-31 16:22 ` Alan Stern
2011-01-31 18:19 ` Rafael J. Wysocki
[not found] ` <Pine.LNX.4.44L0.1101311119190.1931-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2011-01-31 18:19 ` [linux-pm] " Rafael J. Wysocki
2011-01-31 18:19 ` Rafael J. Wysocki
2011-02-11 20:00 ` [PATCH] PM: Allow pm_runtime_suspend() to succeed during system suspend Rafael J. Wysocki
[not found] ` <201101311919.49225.rjw-KKrjLPT3xs0@public.gmane.org>
2011-02-11 20:00 ` Rafael J. Wysocki
2011-02-11 20:00 ` Rafael J. Wysocki
[not found] ` <201102112100.23996.rjw-KKrjLPT3xs0@public.gmane.org>
2011-02-11 20:36 ` Alan Stern
2011-02-11 20:36 ` Alan Stern
2011-02-11 20:38 ` Kevin Hilman
2011-02-11 20:38 ` Kevin Hilman
[not found] ` <87ei7e9uhy.fsf-l0cyMroinI0@public.gmane.org>
2011-02-11 21:25 ` Rafael J. Wysocki
2011-02-11 21:25 ` Rafael J. Wysocki
2011-02-11 23:45 ` Kevin Hilman
2011-02-11 23:45 ` Kevin Hilman
2011-02-12 0:00 ` Rafael J. Wysocki
[not found] ` <87aai26sq4.fsf-l0cyMroinI0@public.gmane.org>
2011-02-12 0:00 ` Rafael J. Wysocki
2011-02-12 0:00 ` Rafael J. Wysocki
2011-02-11 23:45 ` Kevin Hilman
2011-02-11 21:25 ` Rafael J. Wysocki
2011-02-11 20:36 ` Alan Stern
2011-02-11 20:38 ` Kevin Hilman
2011-01-31 16:22 ` Alan Stern [this message]
2011-01-31 16:09 ` [PATCH] i2c: OMAP: fix static suspend vs. runtime suspend Kevin Hilman
2011-01-31 15:13 ` Alan Stern
2011-02-05 16:08 ` Ben Dooks
[not found] ` <1296173921-4832-1-git-send-email-khilman-l0cyMroinI0@public.gmane.org>
2011-02-05 16:08 ` Ben Dooks
2011-02-05 16:08 ` Ben Dooks
[not found] ` <20110205160843.GD15795-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2011-02-08 18:31 ` Kevin Hilman
2011-02-08 18:31 ` Kevin Hilman
2011-02-08 18:31 ` Kevin Hilman
-- strict thread matches above, loose matches on Subject: below --
2011-01-28 0:18 Kevin Hilman
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