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[REVIEW,v2,05/11] exynos4-is: Do not use asynchronous runtime PM in release fop

Message ID 1370011047-11488-6-git-send-email-s.nawrocki@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sylwester Nawrocki/Kernel \(PLT\) /SRPOL/Staff Engineer/Samsung Electronics May 31, 2013, 2:37 p.m. UTC 
Use pm_runtime_put_sync() instead of pm_runtime_put() to avoid races
in handling the 'state' bit flags when the fimc-capture drivers'
runtime_resume callback is called from the PM workqueue.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/media/platform/exynos4-is/fimc-capture.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
index 3b24f29..534ea68 100644
--- a/drivers/media/platform/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/exynos4-is/fimc-capture.c
@@ -496,7 +496,7 @@  static int fimc_capture_open(struct file *file)
 
 	ret = v4l2_fh_open(file);
 	if (ret) {
-		pm_runtime_put(&fimc->pdev->dev);
+		pm_runtime_put_sync(&fimc->pdev->dev);
 		goto unlock;
 	}
 
@@ -564,7 +564,7 @@  static int fimc_capture_release(struct file *file)
 		fimc_md_graph_unlock(&vc->ve);
 	}
 
-	pm_runtime_put(&fimc->pdev->dev);
+	pm_runtime_put_sync(&fimc->pdev->dev);
 	mutex_unlock(&fimc->lock);
 
 	return ret;