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@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/platform/exynos4-is/fimc-capture.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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;
--
1.7.9.5
--
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