From: Kevin Hilman <khilman@linaro.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
linux-pm@vger.kernel.org, Alan Stern <stern@rowland.harvard.edu>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Rob Landley <rob@landley.net>, Chris Ball <cjb@laptop.org>,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH V2] PM / Runtime: Respect autosuspend when idle triggers suspend
Date: Mon, 14 Oct 2013 16:43:56 -0700 [thread overview]
Message-ID: <87li1vh0zn.fsf@linaro.org> (raw)
In-Reply-To: <1381735264-3077-1-git-send-email-ulf.hansson@linaro.org> (Ulf Hansson's message of "Mon, 14 Oct 2013 09:21:04 +0200")
Ulf Hansson <ulf.hansson@linaro.org> writes:
> For devices which don't have a .runtime_idle callback or if it returns
> 0, rpm_idle will end up in triggering a call to rpm_suspend, thus
> trying to carry out a runtime_suspend directly from runtime_idle.
>
> In the above situation we want to respect devices which has enabled
> autosuspend, we therfore append the flag sent to rpm_suspend with
> RPM_AUTO.
>
> Do note that driver's still needs to update the device last busy mark,
> to control the delay for this circumstance.
>
> Updated runtime PM documentation accordingly.
>
> Cc: Alan Stern <stern@rowland.harvard.edu>
> Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
> Cc: Kevin Hilman <khilman@linaro.org>
> Cc: Rob Landley <rob@landley.net>
> Cc: Chris Ball <cjb@laptop.org>
> Cc: linux-mmc@vger.kernel.org
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
next prev parent reply other threads:[~2013-10-14 23:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-14 7:21 [PATCH V2] PM / Runtime: Respect autosuspend when idle triggers suspend Ulf Hansson
2013-10-14 23:43 ` Kevin Hilman [this message]
2013-10-15 15:07 ` Alan Stern
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