diff options
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/xhci-dbg.c | 62 | ||||
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 4 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 6 | ||||
-rw-r--r-- | drivers/usb/host/xhci.h | 3 |
4 files changed, 0 insertions, 75 deletions
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c index 21c563f..77f80ce 100644 --- a/drivers/usb/host/xhci-dbg.c +++ b/drivers/usb/host/xhci-dbg.c @@ -311,68 +311,6 @@ void xhci_debug_trb(struct xhci_hcd *xhci, union xhci_trb *trb) } } -/** - * Debug a segment with an xHCI ring. - * - * @return The Link TRB of the segment, or NULL if there is no Link TRB - * (which is a bug, since all segments must have a Link TRB). - * - * Prints out all TRBs in the segment, even those after the Link TRB. - * - * XXX: should we print out TRBs that the HC owns? As long as we don't - * write, that should be fine... We shouldn't expect that the memory pointed to - * by the TRB is valid at all. Do we care about ones the HC owns? Probably, - * for HC debugging. - */ -void xhci_debug_segment(struct xhci_hcd *xhci, struct xhci_segment *seg) -{ - int i; - u64 addr = seg->dma; - union xhci_trb *trb = seg->trbs; - - for (i = 0; i < TRBS_PER_SEGMENT; i++) { - trb = &seg->trbs[i]; - xhci_dbg(xhci, "@%016llx %08x %08x %08x %08x\n", addr, - lower_32_bits(le64_to_cpu(trb->link.segment_ptr)), - upper_32_bits(le64_to_cpu(trb->link.segment_ptr)), - le32_to_cpu(trb->link.intr_target), - le32_to_cpu(trb->link.control)); - addr += sizeof(*trb); - } -} - -void xhci_dbg_ring_ptrs(struct xhci_hcd *xhci, struct xhci_ring *ring) -{ - xhci_dbg(xhci, "Ring deq = %p (virt), 0x%llx (dma)\n", - ring->dequeue, - (unsigned long long)xhci_trb_virt_to_dma(ring->deq_seg, - ring->dequeue)); - xhci_dbg(xhci, "Ring enq = %p (virt), 0x%llx (dma)\n", - ring->enqueue, - (unsigned long long)xhci_trb_virt_to_dma(ring->enq_seg, - ring->enqueue)); -} - -/** - * Debugging for an xHCI ring, which is a queue broken into multiple segments. - * - * Print out each segment in the ring. Check that the DMA address in - * each link segment actually matches the segment's stored DMA address. - * Check that the link end bit is only set at the end of the ring. - * Check that the dequeue and enqueue pointers point to real data in this ring - * (not some other ring). - */ -void xhci_debug_ring(struct xhci_hcd *xhci, struct xhci_ring *ring) -{ - /* FIXME: Throw an error if any segment doesn't have a Link TRB */ - struct xhci_segment *seg; - struct xhci_segment *first_seg = ring->first_seg; - xhci_debug_segment(xhci, first_seg); - - for (seg = first_seg->next; seg != first_seg; seg = seg->next) - xhci_debug_segment(xhci, seg); -} - void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst) { u64 addr = erst->erst_dma_addr; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index b382cf0..a2bfd75 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2292,8 +2292,6 @@ static int handle_tx_event(struct xhci_hcd *xhci, upper_32_bits(le64_to_cpu(event->buffer)), le32_to_cpu(event->transfer_len), le32_to_cpu(event->flags)); - xhci_dbg(xhci, "Event ring:\n"); - xhci_debug_segment(xhci, xhci->event_ring->deq_seg); return -ENODEV; } @@ -2314,8 +2312,6 @@ static int handle_tx_event(struct xhci_hcd *xhci, upper_32_bits(le64_to_cpu(event->buffer)), le32_to_cpu(event->transfer_len), le32_to_cpu(event->flags)); - xhci_dbg(xhci, "Event ring:\n"); - xhci_debug_segment(xhci, xhci->event_ring->deq_seg); return -ENODEV; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 9d4801a..245ed40 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -622,16 +622,10 @@ int xhci_run(struct usb_hcd *hcd) if (ret) return ret; - xhci_dbg(xhci, "Command ring memory map follows:\n"); - xhci_debug_ring(xhci, xhci->cmd_ring); - xhci_dbg_ring_ptrs(xhci, xhci->cmd_ring); xhci_dbg_cmd_ptrs(xhci); xhci_dbg(xhci, "ERST memory map follows:\n"); xhci_dbg_erst(xhci, &xhci->erst); - xhci_dbg(xhci, "Event ring:\n"); - xhci_debug_ring(xhci, xhci->event_ring); - xhci_dbg_ring_ptrs(xhci, xhci->event_ring); temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); temp_64 &= ~ERST_PTR_MASK; xhci_dbg_trace(xhci, trace_xhci_dbg_init, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 1a64466..dca5909 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1923,11 +1923,8 @@ void xhci_dbg_regs(struct xhci_hcd *xhci); void xhci_print_run_regs(struct xhci_hcd *xhci); void xhci_print_trb_offsets(struct xhci_hcd *xhci, union xhci_trb *trb); void xhci_debug_trb(struct xhci_hcd *xhci, union xhci_trb *trb); -void xhci_debug_segment(struct xhci_hcd *xhci, struct xhci_segment *seg); -void xhci_debug_ring(struct xhci_hcd *xhci, struct xhci_ring *ring); void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst); void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci); -void xhci_dbg_ring_ptrs(struct xhci_hcd *xhci, struct xhci_ring *ring); void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx, unsigned int last_ep); char *xhci_get_slot_state(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx); |