Kyösti Mälkki (kyosti.malkki@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4775
-gerrit
commit e3248d8ddb00a5caeb829c4af4ef735aef0fefea Author: Kyösti Mälkki kyosti.malkki@gmail.com 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 kyosti.malkki@gmail.com --- src/drivers/usb/ehci_debug.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/src/drivers/usb/ehci_debug.c b/src/drivers/usb/ehci_debug.c index b28208d..7413a8a 100644 --- a/src/drivers/usb/ehci_debug.c +++ b/src/drivers/usb/ehci_debug.c @@ -204,8 +204,7 @@ 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