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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: 187c5298a1 ("usb: dwc2: gadget: Add handler for WkupAlert interrupt")

Signed-off-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
This commit is contained in:
Minas Harutyunyan 2018-12-12 16:44:32 +04:00 • committed by Felipe Balbi
commit 87b6d2c568
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc2/gadget.c
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@ -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);
}
}