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 <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 3 insertions, 0 deletions

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);