linux-kernel - [PATCH 6/6] PM: Allow serio input devices to suspend/resume asynchronously

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Message-Id: <200908262224.19110.rjw@sisk.pl>
Date:	Wed, 26 Aug 2009 22:24:19 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"linux-pm" <linux-pm@...ts.linux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Len Brown <lenb@...nel.org>,
	Pavel Machek <pavel@....cz>,
	Alan Stern <stern@...land.harvard.edu>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Linux PCI <linux-pci@...r.kernel.org>
Subject: [PATCH 6/6] PM: Allow serio input devices to suspend/resume asynchronously

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

Set async_suspend for all serio input devices, so that they can be
suspended and resumed asynchronously with other devices they don't
depend on in a known way (i.e. devices which are not their parents
or children and to which they are not connected via struct pm_link
objects).

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/input/serio/serio.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/drivers/input/serio/serio.c
===================================================================
--- linux-2.6.orig/drivers/input/serio/serio.c
+++ linux-2.6/drivers/input/serio/serio.c
@@ -576,6 +576,7 @@ static void serio_add_port(struct serio 
 			printk(KERN_ERR
 				"serio: sysfs_create_group() failed for %s (%s), error: %d\n",
 				serio->phys, serio->name, error);
+		device_enable_async_suspend(&serio->dev, true);
 	}
 }
 

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