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| author | Andiry Xu <andiry.xu@amd.com> | 2010-12-20 14:49:48 +0800 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2011-01-14 15:51:53 -0800 |
| commit | 47cbf6925cd0ef8af4b8165b43a60b5f37c36d8a (patch) | |
| tree | 0f8e31424b650353580532504bd41d34345240d6 | |
| parent | a6d940dd759bf240d28624198660ed34582a327b (diff) | |
| download | linux-next-47cbf6925cd0ef8af4b8165b43a60b5f37c36d8a.tar.gz | |
xHCI: fix queue_trb in isoc transfer
Fix the more_trbs_coming field of queue_trb() in isoc transfer.
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 62c70c230e83..55dc15675068 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -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, |