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usb: mtu3: register mtu3_irq by threaded irq
author
Chunfeng Yun
<chunfeng.yun@mediatek.com>
Thu, 9 Jun 2022 07:42:33 +0000
(15:42 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Fri, 10 Jun 2022 09:52:52 +0000
(11:52 +0200)
Use threaded irq to improve time consuming top-half
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link:
https://lore.kernel.org/r/20220609074233.15532-3-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/mtu3/mtu3_core.c
patch
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diff --git
a/drivers/usb/mtu3/mtu3_core.c
b/drivers/usb/mtu3/mtu3_core.c
index
c4a2c37
..
3c6a670
100644
(file)
--- 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;