linux-kernel - [PATCH v3 1/3] uio: use request_threaded

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Date:   Thu,  5 Jul 2018 22:57:14 -0400
From:   xiubli@...hat.com
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Cc:     hamish.martin@...iedtelesis.co.nz, jannh@...gle.com,
        pkalever@...hat.com, pkarampu@...hat.com, atumball@...hat.com,
        sabose@...hat.com, mchristi@...hat.com
Subject: [PATCH v3 1/3] uio: use request_threaded_irq instead

From: Xiubo Li <xiubli@...hat.com>

Prepraing for changing to use mutex lock.

Signed-off-by: Xiubo Li <xiubli@...hat.com>
---
 drivers/uio/uio.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index e8f4ac9..b4b2ae1 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -902,8 +902,9 @@ int __uio_register_device(struct module *owner,
 		 * FDs at the time of unregister and therefore may not be
 		 * freed until they are released.
 		 */
-		ret = request_irq(info->irq, uio_interrupt,
-				  info->irq_flags, info->name, idev);
+		ret = request_threaded_irq(info->irq, NULL, uio_interrupt,
+					   info->irq_flags, info->name, idev);
+
 		if (ret)
 			goto err_request_irq;
 	}
-- 
1.8.3.1