linux-kernel - [PATCH v2 -next] vermilion.c: use DEFINE

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Message-ID: <20201224132614.31846-1-zhengyongjun3@huawei.com>
Date:   Thu, 24 Dec 2020 21:26:14 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <b.zolnierkie@...sung.com>, <dri-devel@...ts.freedesktop.org>,
        <linux-fbdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH v2 -next] vermilion.c: 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/video/fbdev/vermilion/vermilion.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c
index ff61605b8764..cf41f3c50af8 100644
--- a/drivers/video/fbdev/vermilion/vermilion.c
+++ b/drivers/video/fbdev/vermilion/vermilion.c
@@ -35,7 +35,7 @@
 
 #define VML_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
 
-static struct mutex vml_mutex;
+static DEFINE_MUTEX(vml_mutex);
 static struct list_head global_no_mode;
 static struct list_head global_has_mode;
 static struct fb_ops vmlfb_ops;
@@ -1058,7 +1058,6 @@ static int __init vmlfb_init(void)
 #endif
 
 	printk(KERN_DEBUG MODULE_NAME ": initializing\n");
-	mutex_init(&vml_mutex);
 	INIT_LIST_HEAD(&global_no_mode);
 	INIT_LIST_HEAD(&global_has_mode);
 
-- 
2.22.0