Commit 2e708fa3 authored by Thinh Nguyen's avatar Thinh Nguyen Committed by Greg Kroah-Hartman
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usb: dwc3: gadget: Clear DCTL.ULSTCHNGREQ before set 



Send a no-action link state change request before the actual request
so DWC3 can send the same request whenever we call
dwc3_gadget_set_link_state().

Signed-off-by: default avatarThinh Nguyen <thinhn@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1b6009ea

drivers/usb/dwc3/gadget.c

+3 −0
Original line number Diff line number Diff line
@@ -111,6 +111,9 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) 
	reg = dwc3_readl(dwc->regs, DWC3_DCTL);

	reg &= ~DWC3_DCTL_ULSTCHNGREQ_MASK;



	/* set no action before sending new link state change */

	dwc3_writel(dwc->regs, DWC3_DCTL, reg);



	/* set requested state */

	reg |= DWC3_DCTL_ULSTCHNGREQ(state);

	dwc3_writel(dwc->regs, DWC3_DCTL, reg);