linux-kernel - [PATCH 4/9] usb: cdns3: Improvement: return IRQ

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Message-ID: <20200701062004.29908-5-pawell@cadence.com>
Date:   Wed, 1 Jul 2020 08:19:59 +0200
From:   Pawel Laszczak <pawell@...ence.com>
To:     <balbi@...nel.org>, <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <rogerq@...com>, <peter.chen@....com>
CC:     <dan.carpenter@...cle.com>, <heikki.krogerus@...ux.intel.com>,
        <colin.king@...onical.com>, <jpawar@...ence.com>,
        <ben.dooks@...ethink.co.uk>, <kurahul@...ence.com>,
        <sparmar@...ence.com>, Pawel Laszczak <pawell@...ence.com>
Subject: [PATCH 4/9] usb: cdns3: Improvement: return IRQ_NONE explicitly.

IRQ_NONE can be returned indirect.

Signed-off-by: Pawel Laszczak <pawell@...ence.com>
---
 drivers/usb/cdns3/drd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 6d2da504ad49..05a9f7d54c46 100644
--- 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",
-- 
2.17.1