Commit 4bd728a1 authored May 31, 2013 by Sylwester Nawrocki Committed by Mauro Carvalho Chehab Jun 12, 2013

[media] exynos4-is: Do not use asynchronous runtime PM in release fop



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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 42625fdf

drivers/media/platform/exynos4-is/fimc-capture.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;

Admin message