linux-kernel - Re: [RFC][PATCH 7/7] PM: Asynchronous suspend and resume of i8042

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Message-Id: <200908182157.53283.rjw@sisk.pl>
Date:	Tue, 18 Aug 2009 21:57:53 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	"linux-pm" <linux-pm@...ts.linux-foundation.org>,
	"linux-acpi" <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Greg KH <gregkh@...e.de>
Subject: Re: [RFC][PATCH 7/7] PM: Asynchronous suspend and resume of i8042

On Tuesday 18 August 2009, Zhang Rui wrote:
> On Mon, 2009-08-17 at 08:21 +0800, Rafael J. Wysocki wrote:
> > Set async_suspend for i8042.
> > 
> it's the psmouse reset that takes the 0.4 seconds during suspend.
> so we should call device_enable_async_suspend for the psmouse serio
> device in psmouse-base.c
> 
> Or invoking device_enable_async_suspend for every serio device in
> serio.c, as the keyboard also takes about 0.2s to suspend.

Yes we can do that.  I'll test that later today.

Thanks,
Rafael
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