[PATCH -next] gma500: Use DEFINE_SPINLOCK() for spinlock
Huang Guobin
huangguobin4 at huawei.com
Tue Apr 6 11:55:14 UTC 2021
From: Guobin Huang <huangguobin4 at huawei.com>
spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().
Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: Guobin Huang <huangguobin4 at huawei.com>
---
drivers/gpu/drm/gma500/power.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c
index 56ef88237ef6..f07641dfa5a4 100644
--- a/drivers/gpu/drm/gma500/power.c
+++ b/drivers/gpu/drm/gma500/power.c
@@ -36,7 +36,7 @@
#include <linux/pm_runtime.h>
static struct mutex power_mutex; /* Serialize power ops */
-static spinlock_t power_ctrl_lock; /* Serialize power claim */
+static DEFINE_SPINLOCK(power_ctrl_lock); /* Serialize power claim */
/**
* gma_power_init - initialise power manager
@@ -55,7 +55,6 @@ void gma_power_init(struct drm_device *dev)
dev_priv->display_power = true; /* We start active */
dev_priv->display_count = 0; /* Currently no users */
dev_priv->suspended = false; /* And not suspended */
- spin_lock_init(&power_ctrl_lock);
mutex_init(&power_mutex);
if (dev_priv->ops->init_pm)
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