apply: use DEFINE_SPINLOCK() instead of spin_lock_init().

Started by Yu Jiahua on Jun 16, 2021 · 2 messages from 2 authors · Last reply Jun 17, 2021

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STALE1972d LANDED

Status: Landed in mainline as d35c97f606a1 on 2021-06-17.

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Message details and related content
From: Jiahua Yu <redacted>

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

Signed-off-by: Jiahua Yu <redacted>
---
 drivers/video/fbdev/omap2/omapfb/dss/apply.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/apply.c b/drivers/video/fbdev/omap2/omapfb/dss/apply.c
index c71021091828..acca991c7540 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/apply.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/apply.c
@@ -108,7 +108,7 @@ static struct {
 } 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);
@@ -131,8 +131,6 @@ static void apply_init_priv(void)
 	struct mgr_priv_data *mp;
 	int i;
 
-	spin_lock_init(&data_lock);
-
 	for (i = 0; i < num_ovls; ++i) {
 		struct ovl_priv_data *op;
 
-- 
2.17.1
Message details and related content
On Tue, Jun 15, 2021 at 07:17:13PM -0800, Yu Jiahua wrote:
From: Jiahua Yu <redacted>

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

Signed-off-by: Jiahua Yu <redacted>
Stuffed into drm-misc-next. The subject looked a bit strange, so I fixed
that up.
-Daniel
quoted hunk
---
 drivers/video/fbdev/omap2/omapfb/dss/apply.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/apply.c b/drivers/video/fbdev/omap2/omapfb/dss/apply.c
index c71021091828..acca991c7540 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/apply.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/apply.c
@@ -108,7 +108,7 @@ static struct {
 } 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);
@@ -131,8 +131,6 @@ static void apply_init_priv(void)
 	struct mgr_priv_data *mp;
 	int i;
 
-	spin_lock_init(&data_lock);
-
 	for (i = 0; i < num_ovls; ++i) {
 		struct ovl_priv_data *op;
 
-- 
2.17.1
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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