linux-kernel - [PATCH v2 -next] atmel: at76c50x: use DEFINE

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Message-ID: <20201224132456.31341-1-zhengyongjun3@huawei.com>
Date:   Thu, 24 Dec 2020 21:24:56 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <kvalo@...eaurora.org>, <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH v2 -next] atmel: at76c50x: use DEFINE_MUTEX() for mutex lock

mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/net/wireless/atmel/at76c50x-usb.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c
index 404257800033..7582761c61e2 100644
--- a/drivers/net/wireless/atmel/at76c50x-usb.c
+++ b/drivers/net/wireless/atmel/at76c50x-usb.c
@@ -101,7 +101,7 @@ do {									\
 static uint at76_debug = DBG_DEFAULTS;
 
 /* Protect against concurrent firmware loading and parsing */
-static struct mutex fw_mutex;
+static DEFINE_MUTEX(fw_mutex);
 
 static struct fwentry firmwares[] = {
 	[0] = { "" },
@@ -2572,8 +2572,6 @@ static int __init at76_mod_init(void)
 
 	printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " loading\n");
 
-	mutex_init(&fw_mutex);
-
 	/* register this driver with the USB subsystem */
 	result = usb_register(&at76_driver);
 	if (result < 0)
-- 
2.22.0