diff options
Diffstat (limited to 'drivers/usb/host/xhci-dbg.c')
| -rw-r--r-- | drivers/usb/host/xhci-dbg.c | 24 |
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; |