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Commit 47cbf692 authored by Andiry Xu's avatar Andiry Xu Committed by Sarah Sharp
Browse files

xHCI: fix queue_trb in isoc transfer 



Fix the more_trbs_coming field of queue_trb() in isoc transfer.

Signed-off-by: default avatarAndiry Xu <andiry.xu@amd.com>
Signed-off-by: default avatarSarah Sharp <sarah.a.sharp@linux.intel.com>
parent a6d940dd

drivers/usb/host/xhci-ring.c

+4 −1
Original line number Diff line number Diff line
@@ -2900,6 +2900,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, 
	int running_total, trb_buff_len, td_len, td_remain_len, ret;

	u64 start_addr, addr;

	int i, j;

	bool more_trbs_coming;



	ep_ring = xhci->devs[slot_id]->eps[ep_index].ring;
@@ -2965,9 +2966,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, 
			 */

			if (j < trbs_per_td - 1) {

				field |= TRB_CHAIN;

				more_trbs_coming = true;

			} else {

				td->last_trb = ep_ring->enqueue;

				field |= TRB_IOC;

				more_trbs_coming = false;

			}



			/* Calculate TRB length */
@@ -2980,7 +2983,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, 
			length_field = TRB_LEN(trb_buff_len) |

				remainder |

				TRB_INTR_TARGET(0);

			queue_trb(xhci, ep_ring, false, false,

			queue_trb(xhci, ep_ring, false, more_trbs_coming,

				lower_32_bits(addr),

				upper_32_bits(addr),

				length_field,