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

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commit 4949be1682 upstream.

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>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthew Garrett
2012-03-06 13:41:49 -05:00
committed by Greg Kroah-Hartman
parent 5bcb3f882a
commit 9217bfbbad
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