>From dabb61241cac725f1ad33be6df2ac68fe81202d4 Mon Sep 17 00:00:00 2001
From: Andiry Xu <andiry.xu@xxxxxxx>
Date: Mon, 20 Dec 2010 14:49:48 +0800
Subject: [PATCH 3/7] 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@xxxxxxx>
---
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 d560f1d..00dd612 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2921,6 +2921,7 @@ 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;
@@ -2986,9 +2987,11 @@ 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 */
@@ -3001,7 +3004,7 @@ 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,
--
1.7.1
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