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(parent: 2debd92) | patch
PCI: check for pci bar restore completion and retry
authorKay, Allen M <[email protected]>
Thu, 26 Jan 2012 18:25:53 +0000 (10:25 -0800)
committerJesse Barnes <[email protected]>
Tue, 14 Feb 2012 16:45:02 +0000 (08:45 -0800)
commit26f41062f28de65e11d3cf353e52d0be73442be1
tree55ff1002ff04ad6eb8efd8e60f8b60419bc16c64tree | snapshot
parent2debd9289997fc5d1c0043b41201a8b40d5e11d0commit | diff
PCI: check for pci bar restore completion and retry

On some OEM systems, pci_restore_state() is called while FLR has not yet
completed.  As a result, PCI BAR register restore is not successful.  This fix
reads back the restored value and compares it with saved value and re-tries 10
times before giving up.

Signed-off-by: Jean Guyader <[email protected]>
Signed-off-by: Eric Chanudet <[email protected]>
Signed-off-by: Allen Kay <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
drivers/pci/pci.c diff | blob | history
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