diff options
| author | Andiry Xu <andiry.xu@amd.com> | 2011-09-23 14:19:49 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-11 09:43:57 -0800 |
| commit | 445762a5b85e7460aa2f49a24698f8a4b758ec56 (patch) | |
| tree | 765e508cff28ee67b728fe49ee554f1d38c52024 /drivers/usb/host/xhci.h | |
| parent | 6fcb7a033dcadbc4691a1f54325a6001a31849ef (diff) | |
xHCI: test and clear RWC bit
commit d2f52c9e585bbb1a3c164e02b8dcd0d996c67353 upstream.
Introduce xhci_test_and_clear_bit() to clear RWC bit in PORTSC register.
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>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 8450bfdacb4..1fb0549b771 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1573,6 +1573,8 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id); /* xHCI roothub code */ +void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array, + int port_id, u32 port_bit); int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength); int xhci_hub_status_data(struct usb_hcd *hcd, char *buf); |