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PCI: ignore pre-1.1 ASPM quirking when ASPM is disabled 

Right now we won't touch ASPM state if ASPM is disabled, except in the case
where we find a device that appears to be too old to reliably support ASPM.
Right now we'll clear it in that case, which is almost certainly the wrong
thing to do. The easiest way around this is just to disable the blacklisting
when ASPM is disabled.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
hifive-unleashed-5.1
Matthew Garrett 2012-03-06 13:41:49 -05:00 committed by Jesse Barnes
parent 4f262acfde
commit 4949be1682
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/pcie/aspm.c
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@ -500,6 +500,9 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
int pos;
u32 reg32;
if (aspm_disabled)
return 0;
/*
* Some functions in a slot might not all be PCIe functions,
* very strange. Disable ASPM for the whole slot