diff options
| author | Huang Shijie <sjhuang@iluvatar.ai> | 2018-08-06 11:52:26 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-08-29 19:13:17 +0300 |
| commit | a5f99a95869e3052970ee17a2d9911f09ad818cd (patch) | |
| tree | 8a91741d7d2b7fb53c0e5b8e64387d4efc4aa215 /drivers/dma/mmp_tdma.c | |
| parent | 42f604b6516b9e4d6847f6461aa4260effe68f55 (diff) | |
| download | linux-a5f99a95869e3052970ee17a2d9911f09ad818cd.tar.xz | |
dmaengine: mmp_tdma: use dmaenginem_async_device_register to simplify the code
Use dmaenginem_async_device_register to simplify the code:
remove dma_async_device_unregister.
return error if it fails.
Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/mmp_tdma.c')
| -rw-r--r-- | drivers/dma/mmp_tdma.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 13c68b6434ce..9f5869e1a017 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -530,9 +530,6 @@ static void mmp_tdma_issue_pending(struct dma_chan *chan) static int mmp_tdma_remove(struct platform_device *pdev) { - struct mmp_tdma_device *tdev = platform_get_drvdata(pdev); - - dma_async_device_unregister(&tdev->device); return 0; } @@ -696,7 +693,7 @@ static int mmp_tdma_probe(struct platform_device *pdev) dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); platform_set_drvdata(pdev, tdev); - ret = dma_async_device_register(&tdev->device); + ret = dmaenginem_async_device_register(&tdev->device); if (ret) { dev_err(tdev->device.dev, "unable to register\n"); return ret; @@ -708,7 +705,7 @@ static int mmp_tdma_probe(struct platform_device *pdev) if (ret) { dev_err(tdev->device.dev, "failed to register controller\n"); - dma_async_device_unregister(&tdev->device); + return ret; } } |