linux-kernel - [PATCH 1/6 v2] PM / Domains: Set device state to "active" during system resume

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Date:	Sun, 10 Jul 2011 11:05:58 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linux PM mailing list <linux-pm@...ts.linux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Kevin Hilman <khilman@...com>,
	Alan Stern <stern@...land.harvard.edu>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Paul Walmsley <paul@...an.com>, Greg KH <gregkh@...e.de>,
	Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 1/6 v2] PM / Domains: Set device state to "active" during system resume

From: Rafael J. Wysocki <rjw@...k.pl>

The runtime PM status of devices in a power domain that is not
powered off in pm_genpd_complete() should be set to "active", because
those devices are operational at this point.  Some of them may not be
in use, though, so make pm_genpd_complete() call pm_runtime_idle()
in addition to pm_runtime_set_active() for each of them.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/base/power/domain.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6/drivers/base/power/domain.c
===================================================================
--- linux-2.6.orig/drivers/base/power/domain.c
+++ linux-2.6/drivers/base/power/domain.c
@@ -786,7 +786,9 @@ static void pm_genpd_complete(struct dev
 
 	if (run_complete) {
 		pm_generic_complete(dev);
+		pm_runtime_set_active(dev);
 		pm_runtime_enable(dev);
+		pm_runtime_idle(dev);
 	}
 }
 

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