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>

diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 6d2da504ad491037b1ed57670e542b516b6760fd..05a9f7d54c46dcf6fa91cffc8cc0a71d2194a368 100644 (file)
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -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",