From: Zheng Yongjun <zhengyongjun3@huawei.com>
To: <lee.jones@linaro.org>, <daniel.thompson@linaro.org>,
<jingoohan1@gmail.com>, <b.zolnierkie@samsung.com>,
<dri-devel@lists.freedesktop.org>, <linux-fbdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Cc: Zheng Yongjun <zhengyongjun3@huawei.com>
Subject: [PATCH -next] video: backlight: use DEFINE_MUTEX (and mutex_init() had been too late)
Date: Wed, 23 Dec 2020 22:10:35 +0800 [thread overview]
Message-ID: <20201223141035.32178-1-zhengyongjun3@huawei.com> (raw)
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
drivers/video/backlight/backlight.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 537fe1b376ad..d7a09c422547 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -64,7 +64,7 @@
*/
static struct list_head backlight_dev_list;
-static struct mutex backlight_dev_list_mutex;
+static DEFINE_MUTEX(backlight_dev_list_mutex);
static struct blocking_notifier_head backlight_notifier;
static const char *const backlight_types[] = {
@@ -757,7 +757,6 @@ static int __init backlight_class_init(void)
backlight_class->dev_groups = bl_device_groups;
backlight_class->pm = &backlight_class_dev_pm_ops;
INIT_LIST_HEAD(&backlight_dev_list);
- mutex_init(&backlight_dev_list_mutex);
BLOCKING_INIT_NOTIFIER_HEAD(&backlight_notifier);
return 0;
--
2.22.0
next reply other threads:[~2020-12-23 14:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-23 14:10 Zheng Yongjun [this message]
2021-01-04 10:07 ` [PATCH -next] video: backlight: use DEFINE_MUTEX (and mutex_init() had been too late) Daniel Thompson
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