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authorAndiry Xu <andiry.xu@amd.com>2010-10-14 07:23:06 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-22 10:22:13 -0700
commit5535b1d5f8885695c6ded783c692e3c0d0eda8ca (patch)
treef5454493a1c50e4a6254d904578dc3ecfd1d6e63 /drivers/usb/core/hub.c
parent9777e3ce907d4cb5a513902a87ecd03b52499569 (diff)
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USB: xHCI: PCI power management implementation
This patch implements the PCI suspend/resume. Please refer to xHCI spec for doing the suspend/resume operation. For S3, CSS/SRS in USBCMD is used to save/restore the internal state. However, an error maybe occurs while restoring the internal state. In this case, it means that HC internal state is wrong and HC will be re-initialized. Signed-off-by: Libin Yang <libin.yang@amd.com> Signed-off-by: Dong Nguyen <dong.nguyen@amd.com> Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/hub.c')
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