[PATCH -next] gpu: drm: gma500: Use DEFINE_SPINLOCK() for spinlock

From: Zheng Yongjun
Date: Mon Dec 28 2020 - 08:51:50 EST


spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
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 b361e41c6acd..cfb0a1906950 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 DEFINE_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);

if (dev_priv->ops->init_pm)
dev_priv->ops->init_pm(dev);
--
2.22.0