PCI: support PM D0hot->D3 transition reset
PCI PM 1.2 specifies that the device will perform an internal reset upon transitioning from D3hot to D0 when the NO_SOFT_RESET bit is clear. This method can be used to reset a function if neither PCIe FLR nor PCI AF FLR are supported. Reviewed-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: NYu Zhao <yu.zhao@intel.com> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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