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Subject[PATCH] dmaengine: ti: Fix runtime PM imbalance on error
Date
pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code, thus a matching decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Yongzhi Liu <lyz_cs@pku.edu.cn>
---
drivers/dma/ti/edma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index 08e47f4..a73f779 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -2398,9 +2398,9 @@ static int edma_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ecc);

pm_runtime_enable(dev);
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0) {
- dev_err(dev, "pm_runtime_get_sync() failed\n");
+ dev_err(dev, "pm_runtime_resume_and_get() failed\n");
pm_runtime_disable(dev);
return ret;
}
--
2.7.4
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