From: Andiry Xu <andiry.xu@amd.com>
Date: Thu, 14 Oct 2010 14:23:06 +0000 (-0700)
Subject: USB: xHCI: PCI power management implementation
X-Git-Tag: v2.6.37-rc1~154^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5535b1d5f8885695c6ded783c692e3c0d0eda8ca;p=pandora-kernel.git

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>
---

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