fbdev/omap2: use DEFINE_SPINLOCK() instead of spin_lock_init().

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

Signed-off-by: Jiahua Yu <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/video/fbdev/omap2/omapfb/dss/apply.c

···
 } dss_data;
 
 /* protects dss_data */
-static spinlock_t data_lock;
+static DEFINE_SPINLOCK(data_lock);
 /* lock for blocking functions */
 static DEFINE_MUTEX(apply_lock);
 static DECLARE_COMPLETION(extra_updated_completion);
···
 	const int num_ovls = dss_feat_get_num_ovls();
 	struct mgr_priv_data *mp;
 	int i;
-
-	spin_lock_init(&data_lock);
 
 	for (i = 0; i < num_ovls; ++i) {
 		struct ovl_priv_data *op;