Re: [linux-pm] "i8042: Can't reactivate AUX port" after s2ram on 3.4-rc2

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On Monday, April 16, 2012, Mikko Vinni wrote:
> From: Rafael J. Wysocki:
> 
> >>  Ok, I tested v4 and also v3, which is in 3.4-rc3. On this laptop both 
> > versions
> >>  work equally: touchpad works after resume (no help for the card reader
> >>  problem, though).
> > 
> > [...]
> > 
> >>  Difference from v3:
> >>  --- /tmp/v3-uniq        2012-04-16 09:57:42.880521878 +0300
> >>  +++ /tmp/v4-uniq        2012-04-16 09:58:03.880545386 +0300
> >>  @@ -1019,11 +1018,11 @@
> >>         1 Booting Node 0 Processor 1 APIC 0x1
> >>         1 CPU1 is up
> >>         1 ACPI: Waking up from system sleep state S3
> >>  -     11 pcieport 0000:00:02.0: restoring config space at offset 0x1c (was 
> > 0x20005151, writing 0x5151)
> >>  +      1 pcieport 0000:00:02.0: restoring config space at offset 0x1c (was 
> > 0x20005151, writing 0x5151)
> > 
> > OK, so clearly we need to prevent the writes into the secondary status register
> > of the PCIe port from being repreated pointlessly.
> > 
> > Can you please test the appended patch from completness on top of 3.4-rc3?
> 
> I think that's what I did already :)
> 
> git pull to 3.4-rc3
> (test, result as v3 output/diff in the previous email)
> Revert "PCI: Fix regression in pci_restore_state(), v3"
> apply v4 of the patch
> (test, result as v4 output in the previous email)
> git diff v3.4-rc3 -- drivers/pci/pci.c --> matches the patch below

Well, that's correct. :-)

Thanks a lot anyway,
Rafael
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