Commit 5ac04bf1 authored Aug 03, 2011 by Andiry Xu Committed by Sarah Sharp Aug 09, 2011

xHCI: fix port U3 status check condition



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

parent e4685617

drivers/usb/host/xhci-hub.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;