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| author | Andiry Xu <andiry.xu@amd.com> | 2011-08-03 16:46:48 +0800 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2011-08-09 14:43:22 -0700 |
| commit | 5ac04bf190e6f8b17238aef179ebd7f2bdfec919 (patch) | |
| tree | ea29c2dfaf2c04e008288fe76ec0ea5ece96e4bd /drivers/usb | |
| parent | e468561739fffb972d486b98f66c723936335136 (diff) | |
| download | lwn-5ac04bf190e6f8b17238aef179ebd7f2bdfec919.tar.gz lwn-5ac04bf190e6f8b17238aef179ebd7f2bdfec919.zip | |
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
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 0be788cc2fdb..cddcdccadbf7 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -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; |