dmaengine: tegra-apb: Remove assumptions about unavailable runtime PM (a75013a5) · Commits · 戴 / test

The runtime PM is always available on all Tegra SoCs since the commit ("ARM: tegra: enforce PM requirement"), so there is no need to handle the case of unavailable RPM in the code anymore. Signed-off-by:

Dmitry Osipenko <digetx@gmail.com> Acked-by:

Jon Hunter <jonathanh@nvidia.com> Link: https://lore.kernel.org/r/20200209163356.6439-11-digetx@gmail.com Signed-off-by:

Vinod Koul <vkoul@kernel.org>

drivers/dma/tegra20-apb-dma.c

+1 −9

Original line number	Diff line number	Diff line
		@@ -1433,11 +1433,8 @@ static int tegra_dma_probe(struct platform_device *pdev)
		spin_lock_init(&tdma->global_lock);

		pm_runtime_enable(&pdev->dev);
		if (!pm_runtime_enabled(&pdev->dev))
		ret = tegra_dma_runtime_resume(&pdev->dev);
		else
		ret = pm_runtime_get_sync(&pdev->dev);

		ret = pm_runtime_get_sync(&pdev->dev);
		if (ret < 0)
		goto err_pm_disable;

		@@ -1550,8 +1547,6 @@ err_unregister_dma_dev:

		err_pm_disable:
		pm_runtime_disable(&pdev->dev);
		if (!pm_runtime_status_suspended(&pdev->dev))
		tegra_dma_runtime_suspend(&pdev->dev);

		return ret;
		}
		@@ -1561,10 +1556,7 @@ static int tegra_dma_remove(struct platform_device *pdev)
		struct tegra_dma *tdma = platform_get_drvdata(pdev);

		dma_async_device_unregister(&tdma->dma_dev);

		pm_runtime_disable(&pdev->dev);
		if (!pm_runtime_status_suspended(&pdev->dev))
		tegra_dma_runtime_suspend(&pdev->dev);

		return 0;
		}

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