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Commit dd81dd7c authored by Gregory Herrero's avatar Gregory Herrero Committed by Felipe Balbi
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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: default avatarGregory Herrero <gregory.herrero@intel.com>
Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: default avatarRobert Baldyga <r.baldyga@samsung.com>
Tested-by: default avatarDinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: default avatarJohn Youn <johnyoun@synopsys.com>
Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent fe9b1773

drivers/usb/dwc2/hcd_queue.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -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,

				USB_SPEED_HIGH : dev_speed, qh->ep_is_in,

				qh->ep_type == USB_ENDPOINT_XFER_ISOC,

				qh->ep_type == USB_ENDPOINT_XFER_ISOC,

				bytecount));

				bytecount));



		/* Ensure frame_number corresponds to the reality */

		hsotg->frame_number = dwc2_hcd_get_frame_number(hsotg);

		/* Start in a slightly future (micro)frame */

		/* Start in a slightly future (micro)frame */

		qh->sched_frame = dwc2_frame_num_inc(hsotg->frame_number,

		qh->sched_frame = dwc2_frame_num_inc(hsotg->frame_number,

						     SCHEDULE_SLOP);

						     SCHEDULE_SLOP);