linux-kernel - [PATCH 3/3] usb: mtu3: register mtu3

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Message-ID: <20220609074233.15532-3-chunfeng.yun@mediatek.com>
Date:   Thu, 9 Jun 2022 15:42:33 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Eddie Hung <eddie.hung@...iatek.com>
Subject: [PATCH 3/3] usb: mtu3: register mtu3_irq by threaded irq

Use threaded irq to improve time consuming top-half

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
 drivers/usb/mtu3/mtu3_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index c4a2c37abf62..3c6a670efafa 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -965,7 +965,8 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb)
 		goto dma_mask_err;
 	}
 
-	ret = devm_request_irq(dev, mtu->irq, mtu3_irq, 0, dev_name(dev), mtu);
+	ret = devm_request_threaded_irq(dev, mtu->irq, NULL, mtu3_irq,
+					IRQF_ONESHOT, dev_name(dev), mtu);
 	if (ret) {
 		dev_err(dev, "request irq %d failed!\n", mtu->irq);
 		goto irq_err;
-- 
2.18.0