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| author | Andiry Xu <andiry.xu@amd.com> | 2011-09-23 23:19:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-09-27 00:51:09 +0200 |
| commit | d2f52c9e585bbb1a3c164e02b8dcd0d996c67353 (patch) | |
| tree | dbf01ea79e8d869e3ab3493cea8e2b1801d193bc /drivers/usb/host/xhci.h | |
| parent | xHCI: set link state (diff) | |
| download | linux-d2f52c9e585bbb1a3c164e02b8dcd0d996c67353.tar.xz linux-d2f52c9e585bbb1a3c164e02b8dcd0d996c67353.zip | |
xHCI: test and clear RWC bit
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 92eba69b9239..fa921cbbe872 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1719,6 +1719,8 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, /* xHCI roothub code */ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array, int port_id, u32 link_state); +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); |