diff options
| author | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2010-07-29 22:12:56 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 14:35:44 -0700 |
| commit | 257d585aaec469ded6ec15d8a8e7ebada21d7277 (patch) | |
| tree | 60d844978302669d6be363ba6eb454b38c575038 /drivers/usb/host/xhci-ring.c | |
| parent | c06d68b814d556cff5a4dc589215f5ed9f0b7fd5 (diff) | |
USB: xhci: Make xhci_set_hc_event_deq() static.
Now that the event handler functions no longer use xhci_set_hc_event_deq()
to update the event ring dequeue pointer, that function is not used by
anything in xhci-ring.c. Move that function into xhci-mem.c and make it
static.
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-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 7dfd17707d5..f479f73711a 100644 --- 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) { |