[PATCH] usb/ohci: Set pad to 0 after frame update

[Ryan Wendland]

Signed-off-by: Ryan Wendland <wendland@live.com.au>
---
 hw/usb/hcd-ohci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 895b29fb86..fed364dcbe 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -1199,6 +1199,8 @@ static void ohci_frame_boundary(void *opaque)
     /* Increment frame number and take care of endianness. */
     ohci->frame_number = (ohci->frame_number + 1) & 0xffff;
     hcca.frame = cpu_to_le16(ohci->frame_number);
+    /* When the HC updates frame number, set pad to 0. Ref OHCI Spec 4.4.1*/
+    hcca.pad = 0;
 
     if (ohci->done_count == 0 && !(ohci->intr_status & OHCI_INTR_WD)) {
         if (!ohci->done)
-- 
2.25.1