[PATCH v2 -next] vermilion.c: use DEFINE_MUTEX() for mutex lock

From: Zheng Yongjun
Date: Thu Dec 24 2020 - 08:26:43 EST


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

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
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