Commit e831c7ab authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Vinod Koul

dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe

The pm_runtime_enable will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().

Fixes: 4f3ceca2 ("dmaengine: stm32-dmamux: Add PM Runtime support")
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Reviewed-by: default avatarAmelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220108085336.11992-1-linmq006@gmail.comSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 2d21543e
...@@ -292,10 +292,12 @@ static int stm32_dmamux_probe(struct platform_device *pdev) ...@@ -292,10 +292,12 @@ static int stm32_dmamux_probe(struct platform_device *pdev)
ret = of_dma_router_register(node, stm32_dmamux_route_allocate, ret = of_dma_router_register(node, stm32_dmamux_route_allocate,
&stm32_dmamux->dmarouter); &stm32_dmamux->dmarouter);
if (ret) if (ret)
goto err_clk; goto pm_disable;
return 0; return 0;
pm_disable:
pm_runtime_disable(&pdev->dev);
err_clk: err_clk:
clk_disable_unprepare(stm32_dmamux->clk); clk_disable_unprepare(stm32_dmamux->clk);
......
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