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Re: [ipw3945-devel] [PATCH v2.6.29] iwlwifi: save PCI state before suspend, restore after resume

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On Mon, 2009-02-09 at 11:51 -0800, Helmut Schaa wrote:
> Am Montag, 9. Februar 2009 schrieb reinette chatre:
> > On Mon, 2009-02-09 at 11:17 -0800, drago01 wrote:
> > > On Tue, Feb 3, 2009 at 7:20 PM, Reinette Chatre
> > > <reinette.chatre@xxxxxxxxx> wrote:
> > > > This is the right thing to do and fixes the following warning:
> > > > [...]
> > > 
> > > With 2.6.29-rc4-git1 (which has this patch) I sometimes get:
> > > 
> > > iwl3945: Wait for START_ALIVE timeout after 2000ms.
> > > iwl3945 0000:07:00.0: PCI INT A disabled
> > > 
> > > After resume with results into no working wireless until the module is reloaded.
> > > I am not sure if this patch is the culprit (have not tried to revert
> > > it), but that's the only change that might have caused this (with rc3
> > > it was working fine, it just triggered the warning that this patch
> > > supposed to solve).
> > 
> > That patch is the culprit. Please see current status at
> > http://bugzilla.kernel.org/show_bug.cgi?id=12656
> 
> Reinette, maybe we could just use the rfkill-patch [1] I've submitted
> some time ago. Of course it does a bit more then just saving and restoring
> the pci state ;) but it changes iwl3945 to only use pci_save_state and
> pci_restore_state in the suspend and resume handlers which should fix the
> issue you've pointed out in comment #10.

indeed ... thanks to you we do not need to fix 2.6.30. As you say this
is a big change - I am going to try to get the one line fix in before
going this route because 2.6.29 is only looking for fixes right now.
Your changes are much cleaner though and I am very happy that it is in
wireless-testing already.

Reinette

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