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Commit 31927b6b authored by Gregory Herrero's avatar Gregory Herrero Committed by Felipe Balbi
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usb: dwc2: host: update hcd and lx_state during start/stop callbacks 



During hcd initialization, hardware accessible flag and lx_state must
be reset to the working state since controller is powered at this stage.

Same logic applied for stop callback.

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 a2a23d3f

drivers/usb/dwc2/hcd.c

+5 −1
Original line number Diff line number Diff line
@@ -2318,8 +2318,9 @@ static int _dwc2_hcd_start(struct usb_hcd *hcd) 
	dev_dbg(hsotg->dev, "DWC OTG HCD START\n");



	spin_lock_irqsave(&hsotg->lock, flags);



	hsotg->lx_state = DWC2_L0;

	hcd->state = HC_STATE_RUNNING;

	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);



	if (dwc2_is_device_mode(hsotg)) {

		spin_unlock_irqrestore(&hsotg->lock, flags);
@@ -2350,6 +2351,9 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd) 


	spin_lock_irqsave(&hsotg->lock, flags);

	dwc2_hcd_stop(hsotg);

	hsotg->lx_state = DWC2_L3;

	hcd->state = HC_STATE_HALT;

	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);

	spin_unlock_irqrestore(&hsotg->lock, flags);



	usleep_range(1000, 3000);