[v5,09/14] dmaengine: tegra-apb: Remove assumptions about unavailable runtime PM
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Message ID 20200123230325.3037-10-digetx@gmail.com
State Changes Requested
Headers show
Series
  • NVIDIA Tegra APB DMA driver fixes and improvements
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Commit Message

Dmitry Osipenko Jan. 23, 2020, 11:03 p.m. UTC
The runtime PM is always available on all Tegra SoCs since the commit
40b2bb1b132a ("ARM: tegra: enforce PM requirement"), thus there is no
need to handle the case of unavailable RPM in the code anymore.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/dma/tegra20-apb-dma.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

Patch
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diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 7158bd3145c4..22b88ccff05d 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -1429,11 +1429,8 @@  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;
 
@@ -1546,8 +1543,6 @@  static int tegra_dma_probe(struct platform_device *pdev)
 
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-	if (!pm_runtime_status_suspended(&pdev->dev))
-		tegra_dma_runtime_suspend(&pdev->dev);
 
 	return ret;
 }
@@ -1557,10 +1552,7 @@  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;
 }