Commit 87b6d2c5 authored by Minas Harutyunyan's avatar Minas Harutyunyan Committed by Felipe Balbi
Browse files

usb: dwc2: gadget: Fix Remote Wakeup interrupt bit clearing 



To clear GINTSTS2_WKUP_ALERT_INT bit in GINTSTS2 register
require to write 1. This bit is implemented as "Write to clear".

Fixes: 187c5298 ("usb: dwc2: gadget: Add handler for WkupAlert interrupt")

Signed-off-by: default avatarMinas Harutyunyan <hminas@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent df28169e

drivers/usb/dwc2/gadget.c

+1 −1
Original line number Diff line number Diff line
@@ -261,7 +261,7 @@ static void dwc2_gadget_wkup_alert_handler(struct dwc2_hsotg *hsotg) 


	if (gintsts2 & GINTSTS2_WKUP_ALERT_INT) {

		dev_dbg(hsotg->dev, "%s: Wkup_Alert_Int\n", __func__);

		dwc2_clear_bit(hsotg, GINTSTS2, GINTSTS2_WKUP_ALERT_INT);

		dwc2_set_bit(hsotg, GINTSTS2, GINTSTS2_WKUP_ALERT_INT);

		dwc2_set_bit(hsotg, DCTL, DCTL_RMTWKUPSIG);

	}

}