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Date: Sun, 16 Jan 2022 03:31:42 -0800 From: Yongzhi Liu <lyz_cs@....edu.cn> To: peter.ujfalusi@...il.com, vkoul@...nel.org Cc: dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org, Yongzhi Liu <lyz_cs@....edu.cn> Subject: [PATCH] dmaengine: ti: Fix runtime PM imbalance on error 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@....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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