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

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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.

Helmut

[1] http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=commit;h=5b95e3a7f01364399ac66a7028ac6821487824b1

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