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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: 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>
This commit is contained in:
Gregory Herrero 2015-09-22 15:16:52 +02:00 committed by Felipe Balbi
parent fe9b1773c9
commit dd81dd7c81
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc2/hcd_queue.c
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@ -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);