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path: root/drivers/usb/host/xhci-dbg.c
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Diffstat (limited to 'drivers/usb/host/xhci-dbg.c')
-rw-r--r--drivers/usb/host/xhci-dbg.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 105fa8b025bb..fcbf4abbf381 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -364,6 +364,30 @@ void xhci_debug_ring(struct xhci_hcd *xhci, struct xhci_ring *ring)
xhci_debug_segment(xhci, seg);
}
+void xhci_dbg_ep_rings(struct xhci_hcd *xhci,
+ unsigned int slot_id, unsigned int ep_index,
+ struct xhci_virt_ep *ep)
+{
+ int i;
+ struct xhci_ring *ring;
+
+ if (ep->ep_state & EP_HAS_STREAMS) {
+ for (i = 1; i < ep->stream_info->num_streams; i++) {
+ ring = ep->stream_info->stream_rings[i];
+ xhci_dbg(xhci, "Dev %d endpoint %d stream ID %d:\n",
+ slot_id, ep_index, i);
+ xhci_debug_segment(xhci, ring->deq_seg);
+ }
+ } else {
+ ring = ep->ring;
+ if (!ring)
+ return;
+ xhci_dbg(xhci, "Dev %d endpoint ring %d:\n",
+ slot_id, ep_index);
+ xhci_debug_segment(xhci, ring->deq_seg);
+ }
+}
+
void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)
{
u32 addr = (u32) erst->erst_dma_addr;