[coreboot-gerrit] New patch to review for coreboot: libpayload: Avoid confusing usb debug output in dwc2 driver

[Patrick Georgi (pgeorgi@google.com)]

Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12259

-gerrit

commit fb349277a0205883e1cbf434fcafd0934c6a43f2
Author: Patrick Georgi <pgeorgi at google.com>
Date:   Mon Oct 26 19:48:25 2015 +0100

    libpayload: Avoid confusing usb debug output in dwc2 driver
    
    enqueue_packet already runs start_ep_transfer, which enqueues the next
    job. It's pretty much guaranteed that the port will look busy.
    
    BUG=none
    BRANCH=none
    TEST=no spurious ep 0-0 busy messages
    
    Change-Id: I9cbfa7b51dd37564262295ddbcdd0755da40c05b
    Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
    Original-Commit-Id: 8997dbd78dc363334f4e22eaa61f25de1449ffba
    Original-Change-Id: I8a39713fc1d6f16b80284e0f21dc95685716a9b7
    Original-Signed-off-by: Patrick Georgi <pgeorgi at google.com>
    Original-Reviewed-on: https://chromium-review.googlesource.com/308763
    Original-Commit-Ready: Patrick Georgi <pgeorgi at chromium.org>
    Original-Tested-by: Patrick Georgi <pgeorgi at chromium.org>
    Original-Reviewed-by: Furquan Shaikh <furquan at chromium.org>
    Original-Reviewed-by: yunzhi li <lyz at rock-chips.com>
---
 payloads/libpayload/drivers/udc/dwc2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/payloads/libpayload/drivers/udc/dwc2.c b/payloads/libpayload/drivers/udc/dwc2.c
index 0a96410..ca2df3d 100644
--- a/payloads/libpayload/drivers/udc/dwc2.c
+++ b/payloads/libpayload/drivers/udc/dwc2.c
@@ -523,8 +523,8 @@ static void complete_ep_transfer(struct usbdev_ctrl *this, int endpoint,
 
 	if (endpoint == 0 && job->xfered_length == 0)
 		dwc2_enqueue_packet(this, 0, 0, p->setup_buf, 8, 0, 0);
-
-	start_ep_transfer(p, endpoint, in_dir);
+	else
+		start_ep_transfer(p, endpoint, in_dir);
 }
 
 static void dwc2_outep_intr(struct usbdev_ctrl *this, dwc2_ep_t *ep)