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path: root/drivers/dma/shdma.c
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Diffstat (limited to 'drivers/dma/shdma.c')
-rw-r--r--drivers/dma/shdma.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 636e40925b16..727e76ff13e1 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -1144,6 +1144,8 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
/* platform data */
shdev->pdata = pdata;
+ platform_set_drvdata(pdev, shdev);
+
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
@@ -1256,7 +1258,6 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
pm_runtime_put(&pdev->dev);
- platform_set_drvdata(pdev, shdev);
dma_async_device_register(&shdev->common);
return err;
@@ -1278,6 +1279,8 @@ rst_err:
if (dmars)
iounmap(shdev->dmars);
+
+ platform_set_drvdata(pdev, NULL);
emapdmars:
iounmap(shdev->chan_reg);
synchronize_rcu();
@@ -1316,6 +1319,8 @@ static int __exit sh_dmae_remove(struct platform_device *pdev)
iounmap(shdev->dmars);
iounmap(shdev->chan_reg);
+ platform_set_drvdata(pdev, NULL);
+
synchronize_rcu();
kfree(shdev);