Merge remote branch 'gpio/ep93xx-dma' into next

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 636e40925b16..2a638f9f09a2 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -343,7 +343,7 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
 
                 dmae_set_dmars(sh_chan, cfg->mid_rid);
                 dmae_set_chcr(sh_chan, cfg->chcr);
-        } else if ((sh_dmae_readl(sh_chan, CHCR) & 0xf00) != 0x400) {
+        } else {
                 dmae_init(sh_chan);
         }
 
@@ -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);