PCI: check for pci bar restore completion and retry

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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 <jean.guyader@eu.citrix.com>
Signed-off-by: Eric Chanudet <eric.chanudet@citrix.com>
Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Kay, Allen M 2012-01-26 10:25:53 -08:00 • committed by Jesse Barnes

parent 2debd92899

commit 26f41062f2

1 changed files with 6 additions and 1 deletions

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drivers/pci/pci.c

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