USB: xhci: Make xhci_set_hc_event_deq() static.

[linux-flexiantxendom0.git] / drivers / usb / host / xhci-ring.c

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 7dfd177..f479f73 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -301,28 +301,6 @@ static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring,
        return 1;
 }
 
-void xhci_set_hc_event_deq(struct xhci_hcd *xhci)
-{
-       u64 temp;
-       dma_addr_t deq;
-
-       deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg,
-                       xhci->event_ring->dequeue);
-       if (deq == 0 && !in_interrupt())
-               xhci_warn(xhci, "WARN something wrong with SW event ring "
-                               "dequeue ptr.\n");
-       /* Update HC event ring dequeue pointer */
-       temp = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
-       temp &= ERST_PTR_MASK;
-       /* Don't clear the EHB bit (which is RW1C) because
-        * there might be more events to service.
-        */
-       temp &= ~ERST_EHB;
-       xhci_dbg(xhci, "// Write event ring dequeue pointer, preserving EHB bit\n");
-       xhci_write_64(xhci, ((u64) deq & (u64) ~ERST_PTR_MASK) | temp,
-                       &xhci->ir_set->erst_dequeue);
-}
-
 /* Ring the host controller doorbell after placing a command on the ring */
 void xhci_ring_cmd_db(struct xhci_hcd *xhci)
 {