linux-kernel - Re: [PATCH 1/3] firewire: fw-ohci: PPC PMac platform code

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Message-ID: <47C9B1D3.3020402@redhat.com>
Date:	Sat, 01 Mar 2008 14:43:15 -0500
From:	Jarod Wilson <jwilson@...hat.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
CC:	linux1394-devel@...ts.sourceforge.net, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] firewire: fw-ohci: PPC PMac platform code

Stefan Richter wrote:
> Copied from ohci1394.c.  This code is necessary to prevent machine check
> exceptions when reloading or resuming the driver.
> 
> Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>

I was able to reproduce the system exception on resume with a 3rd-gen 
Titanium PowerBook G4 667, and this patch does let the system resume 
successfully now.

Not quite clear if there was possibly an updated version coming using 
pci_enable_device() instead of the pair of pmac_call_feature() calls, 
but either way, this is a definite must-have, at least for older ppc 
macs -- my Aluminum PowerBook G4/1.67 suspends and resumes without this 
patch just fine.

Signed-off-by: Jarod Wilson <jwilson@...hat.com>

-- 
Jarod Wilson
jwilson@...hat.com

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