From: Ming Lei <tom.leiming@xxxxxxxxx>
Obviously, ZLP is only required for transfer of OUT direction,
so just take same policy with UHCI for ZLP packet.
Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
drivers/usb/host/ehci-q.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 4431876..5996ad5 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -722,7 +722,8 @@ qh_urb_transaction (
/*
* control requests may need a terminating data "status" ack;
- * bulk ones may need a terminating short packet (zero length).
+ * other OUT ones may need a terminating short packet
+ * (zero length).
*/
if (likely (urb->transfer_buffer_length != 0)) {
int one_more = 0;
@@ -731,7 +732,7 @@ qh_urb_transaction (
one_more = 1;
token ^= 0x0100; /* "in" <--> "out" */
token |= QTD_TOGGLE; /* force DATA1 */
- } else if (usb_pipebulk (urb->pipe)
+ } else if (usb_pipeout(urb->pipe)
&& (urb->transfer_flags & URB_ZERO_PACKET)
&& !(urb->transfer_buffer_length % maxpacket)) {
one_more = 1;
--
1.7.4.1
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
