linux-kernel - Re: Help needed, Re: [Bug #14334] pcmcia suspend regression from 2.6.31.1 to 2.6.31.2

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Date:	Mon, 2 Nov 2009 14:35:57 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Dominik Brodowski <linux@...inikbrodowski.net>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	Jose Marino <braket@...mail.com>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>
Subject: Re: Help needed, Re: [Bug #14334] pcmcia suspend regression from 2.6.31.1 to 2.6.31.2 - Dell Inspiron 600m

On Sunday 01 November 2009, Dominik Brodowski wrote:
> Hey,
> 
> On Sun, Nov 01, 2009 at 09:36:10AM +0100, Rafael J. Wysocki wrote:
> > Commit 0c570cdeb8fdfcb354a3e9cd81bfc6a09c19de0c
> > (PM / yenta: Fix cardbus suspend/resume regression) caused resume to
> > fail on systems with two CardBus bridges.  While the exact nature
> > of the failure is not known at the moment, it can be worked around by
> > splitting the yenta resume into an early part, executed during the
> > early phase of resume, that will only resume the socket and power it
> > up if there was a card in it during suspend, and a late part,
> > executed during "regular" resume, that will carry out all of the
> > remaining yenta resume operations.
> > 
> > Fixes http://bugzilla.kernel.org/show_bug.cgi?id=14334, which is a
> > listed regression from 2.6.31.
> 
> The only issue I see is that we now return 0 unconditionally on the resume
> callbacks.

Hmm. pcmcia_socket_dev_suspend() and pcmcia_socket_dev_resume() return 0
unconditionally even without the patch, so it doesn't change that.

> Otherwise, it's
> 
> Acked-by: Dominik Brodowski <linux@...inikbrodowski.net>

Thanks!

Rafael

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