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[v5,19/30] media: i2c: ov5647: use pm_runtime_resume_and_get()

Message ID dd155df40ad4f2004ce4eb40a226d49107121a65.1620314098.git.mchehab+huawei@kernel.org
State Accepted
Commit 5187df40bf3d910d883cfff815812540de951999
Headers show
Series media: i2c: use pm_runtime_resume_and_get() were possible | expand

Commit Message

Mauro Carvalho Chehab May 6, 2021, 3:23 p.m. UTC 
Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
added pm_runtime_resume_and_get() in order to automatically handle
dev->power.usage_count decrement on errors.

Use the new API, in order to cleanup the error check logic.

Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 drivers/media/i2c/ov5647.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c
index 1cefa15729ce..38faa74755e3 100644
--- a/drivers/media/i2c/ov5647.c
+++ b/drivers/media/i2c/ov5647.c
@@ -882,20 +882,20 @@  static int ov5647_s_stream(struct v4l2_subdev *sd, int enable)
 	}
 
 	if (enable) {
-		ret = pm_runtime_get_sync(&client->dev);
+		ret = pm_runtime_resume_and_get(&client->dev);
 		if (ret < 0)
 			goto error_unlock;
 
 		ret = ov5647_stream_on(sd);
 		if (ret < 0) {
 			dev_err(&client->dev, "stream start failed: %d\n", ret);
-			goto error_unlock;
+			goto error_pm;
 		}
 	} else {
 		ret = ov5647_stream_off(sd);
 		if (ret < 0) {
 			dev_err(&client->dev, "stream stop failed: %d\n", ret);
-			goto error_unlock;
+			goto error_pm;
 		}
 		pm_runtime_put(&client->dev);
 	}
@@ -905,8 +905,9 @@  static int ov5647_s_stream(struct v4l2_subdev *sd, int enable)
 
 	return 0;
 
+error_pm:
+	pm_runtime_put(&client->dev);
 error_unlock:
-	pm_runtime_put(&client->dev);
 	mutex_unlock(&sensor->lock);
 
 	return ret;