usb: cdns3: drd: return IRQ_NONE explicitly.

IRQ_NONE can be returned indirect.

Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Pawel Laszczak 2020-07-13 12:05:49 +02:00 committed by Felipe Balbi
parent ecf4f823fb
commit 03cce68a82

View File

@ -279,12 +279,12 @@ static irqreturn_t cdns3_drd_irq(int irq, void *data)
u32 reg;
if (cdns->dr_mode != USB_DR_MODE_OTG)
return ret;
return IRQ_NONE;
reg = readl(&cdns->otg_regs->ivect);
if (!reg)
return ret;
return IRQ_NONE;
if (reg & OTGIEN_ID_CHANGE_INT) {
dev_dbg(cdns->dev, "OTG IRQ: new ID: %d\n",