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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)
1144 /* platform data */ 1144 /* platform data */
1145 shdev->pdata = pdata; 1145 shdev->pdata = pdata;
1146 1146
1147 platform_set_drvdata(pdev, shdev);
1148
1147 pm_runtime_enable(&pdev->dev); 1149 pm_runtime_enable(&pdev->dev);
1148 pm_runtime_get_sync(&pdev->dev); 1150 pm_runtime_get_sync(&pdev->dev);
1149 1151
@@ -1256,7 +1258,6 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
1256 1258
1257 pm_runtime_put(&pdev->dev); 1259 pm_runtime_put(&pdev->dev);
1258 1260
1259 platform_set_drvdata(pdev, shdev);
1260 dma_async_device_register(&shdev->common); 1261 dma_async_device_register(&shdev->common);
1261 1262
1262 return err; 1263 return err;
@@ -1278,6 +1279,8 @@ rst_err:
1278 1279
1279 if (dmars) 1280 if (dmars)
1280 iounmap(shdev->dmars); 1281 iounmap(shdev->dmars);
1282
1283 platform_set_drvdata(pdev, NULL);
1281emapdmars: 1284emapdmars:
1282 iounmap(shdev->chan_reg); 1285 iounmap(shdev->chan_reg);
1283 synchronize_rcu(); 1286 synchronize_rcu();
@@ -1316,6 +1319,8 @@ static int __exit sh_dmae_remove(struct platform_device *pdev)
1316 iounmap(shdev->dmars); 1319 iounmap(shdev->dmars);
1317 iounmap(shdev->chan_reg); 1320 iounmap(shdev->chan_reg);
1318 1321
1322 platform_set_drvdata(pdev, NULL);
1323
1319 synchronize_rcu(); 1324 synchronize_rcu();
1320 kfree(shdev); 1325 kfree(shdev);
1321 1326