New patch to review for coreboot: 8a24006 usbdebug: Fix data toggle on receive

[Kyösti Mälkki]

Kyösti Mälkki ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4775

-gerrit

commit 8a240062015313cb52c660384fe970021f3edb3b
Author: Kyösti Mälkki 
Date:   Tue Jan 21 10:44:08 2014 +0200

usbdebug: Fix data toggle on receive

USB device end toggles data PID when we ACK'd the zero-length data
    packet. As USB host we need to toggle data PID too or the next data
    received would get discarded.

Change-Id: I3203bc874c7ded9244c7548a666d7041a0fbb379
    Signed-off-by: Kyösti Mälkki 
---
 src/lib/usbdebug.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/lib/usbdebug.c b/src/lib/usbdebug.c
index 6760aab..d0281bb 100644
--- a/src/lib/usbdebug.c
+++ b/src/lib/usbdebug.c
@@ -203,8 +203,7 @@ host_retry:

/* If I get an ACK or in-sync DATA PID, we are done. */
    if ((lpid == USB_PID_ACK) || (lpid == pipe->pid)) {
-		if (DBGP_LEN(rd_ctrl))
-			pipe->pid ^= USB_PID_DATA_TOGGLE;
+		pipe->pid ^= USB_PID_DATA_TOGGLE;
    }

/* If the port is getting full or it has dropped data