Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes

[karo-tx-linux.git] / drivers / dma / shdma.c

diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 636e40925b165e544618692fce8640503ddd65a6..2a638f9f09a25d5ed37411d7a997172b928491ce 100644 (file)
--- 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);