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[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>
This commit is contained in:
Sylwester Nawrocki 2013-05-31 11:37:21 -03:00 committed by Mauro Carvalho Chehab
parent 42625fdfbd
commit 4bd728a16e
1 changed files with 2 additions and 2 deletions
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4
drivers/media/platform/exynos4-is/fimc-capture.c
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@ -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;