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usb: dwc2: gadget: Fix Remote Wakeup interrupt bit clearing
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To clear GINTSTS2_WKUP_ALERT_INT bit in GINTSTS2 register
require to write 1. This bit is implemented as "Write to clear".

Fixes: 187c529 ("usb: dwc2: gadget: Add handler for WkupAlert interrupt")

Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Minas Harutyunyan authored and Felipe Balbi committed Jan 17, 2019
1 parent df28169 commit 87b6d2c
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion drivers/usb/dwc2/gadget.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
}
}
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