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| author | Zhang Shurong <zhang_shurong@foxmail.com> | 2023-10-05 22:28:35 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-10-09 10:56:51 +0530 |
| commit | 0618c077a8c20e8c81e367988f70f7e32bb5a717 (patch) | |
| tree | 6de08aa344ef76718d094091370434c8c524a9f2 /drivers/dma | |
| parent | 01f1ae2733e2bb4de92fefcea5fda847d92aede1 (diff) | |
| download | lwn-0618c077a8c20e8c81e367988f70f7e32bb5a717.tar.gz lwn-0618c077a8c20e8c81e367988f70f7e32bb5a717.zip | |
dmaengine: ste_dma40: Fix PM disable depth imbalance in d40_probe
The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context.
We fix it by calling pm_runtime_disable when error returns.
Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/tencent_DD2D371DB5925B4B602B1E1D0A5FA88F1208@qq.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 89e82508c133..002833fb1fa0 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3668,6 +3668,7 @@ static int __init d40_probe(struct platform_device *pdev) regulator_disable(base->lcpa_regulator); regulator_put(base->lcpa_regulator); } + pm_runtime_disable(base->dev); report_failure: d40_err(dev, "probe failed\n"); |