From dd81dd7c8178c430040dc98c8144d4998ba2f7fb Mon Sep 17 00:00:00 2001 From: Gregory Herrero Date: Tue, 22 Sep 2015 15:16:52 +0200 Subject: [PATCH] usb: dwc2: host: use correct frame number during qh init On first qh initialization, hsotg->frame_number is not corresponding to reality. So read it from host controller to get correct value. Signed-off-by: Gregory Herrero Signed-off-by: Mian Yousaf Kaukab Tested-by: Robert Baldyga Tested-by: Dinh Nguyen Tested-by: John Youn Acked-by: John Youn Signed-off-by: Felipe Balbi --- drivers/usb/dwc2/hcd_queue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 801bd9d9c4bd..7d8d06cfe3c1 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -106,6 +106,9 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, USB_SPEED_HIGH : dev_speed, qh->ep_is_in, qh->ep_type == USB_ENDPOINT_XFER_ISOC, bytecount)); + + /* Ensure frame_number corresponds to the reality */ + hsotg->frame_number = dwc2_hcd_get_frame_number(hsotg); /* Start in a slightly future (micro)frame */ qh->sched_frame = dwc2_frame_num_inc(hsotg->frame_number, SCHEDULE_SLOP); -- 2.39.5