linux-kernel - Re: [PATCH V2 0/4] introduce device async actions mechanism

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Message-ID: <Pine.LNX.4.44L0.0908131028370.2940-100000@iolanthe.rowland.org>
Date:	Thu, 13 Aug 2009 10:30:50 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Zhang Rui <rui.zhang@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-pm <linux-pm@...ts.linux-foundation.org>,
	linux-acpi <linux-acpi@...r.kernel.org>,
	Pavel Machek <pavel@....cz>, Len Brown <lenb@...nel.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	"dtor@...l.ru" <dtor@...l.ru>
Subject: Re: [PATCH V2 0/4] introduce device async actions mechanism

On Wed, 12 Aug 2009, Rafael J. Wysocki wrote:

> On a second thought, though, would it be a good idea to add
> pm_runtime_get_noresume() / pm_runtime_put_sync() around the bus_for_each_drv()
> in device_attach()?  That would prevent us from resuming-suspending the device
> on each failing probe.

Good idea.  But don't remove the existing code in driver_probe_device.

Alan Stern

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