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John W. Linville authored
Certain (SGI?) ia64 boxes object to having their PCI BARs restored unless absolutely necessary. This patch restricts calling pci_restore_bars from pci_set_power_state unless the current state is PCI_UNKNOWN, the actual (i.e. physical) state of the device is PCI_D3hot, and the device indicates that it will lose its configuration when transitioning to PCI_D0. Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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