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xHCI: fix port U3 status check condition

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Fix the port U3 status check when Clear PORT_SUSPEND Feature.
The port status should be masked with PORT_PLS_MASK to check if it's in
U3 state.

This should be backported to kernels as old as 2.6.37.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
This commit is contained in:
Andiry Xu 2011-08-03 16:46:48 +08:00 committed by Sarah Sharp
parent e468561739
commit 5ac04bf190
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/xhci-hub.c
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@ -664,7 +664,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
xhci_dbg(xhci, "PORTSC %04x\n", temp);
if (temp & PORT_RESET)
goto error;
if (temp & XDEV_U3) {
if ((temp & PORT_PLS_MASK) == XDEV_U3) {
if ((temp & PORT_PE) == 0)
goto error;