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gma500: Use DEFINE_SPINLOCK() for spinlock 

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

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1617710114-48071-1-git-send-email-huangguobin4@huawei.com
This commit is contained in:
Guobin Huang 2021-04-06 19:55:14 +08:00 committed by Daniel Vetter
parent 2552fb66ae
commit 13e133ea1a
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/gma500/power.c
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@ -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)