diff options
author | Andiry Xu <andiry.xu@amd.com> | 2011-08-03 16:46:48 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-10-03 11:39:52 -0700 |
commit | eff529629832537fbd6837912add0c4a8cb7d585 (patch) | |
tree | fafafcfc7a15a74eb04e76104120f8c0d1277c33 | |
parent | cde5eaf3ce98af402a91fa67ba392f6451f5bc89 (diff) |
xHCI: fix port U3 status check condition
commit 5ac04bf190e6f8b17238aef179ebd7f2bdfec919 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-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 0be788cc2fd..cddcdccadbf 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; |