[PATCH 20/46] dmaengine: sirf-dma: use dmaenginem_async_device_register to simplify the code

[Huang Shijie]

Use dmaenginem_async_device_register to simplify the code:
        remove dma_async_device_unregister.
        remove label unreg_dma_dev

Signed-off-by: Huang Shijie <sjhu...@iluvatar.ai>
---
 drivers/dma/sirf-dma.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index a0733ac3edb1..de19880d4254 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -944,7 +944,7 @@ static int sirfsoc_dma_probe(struct platform_device *op)
        /* Register DMA engine */
        dev_set_drvdata(dev, sdma);
 
-       ret = dma_async_device_register(dma);
+       ret = dmaenginem_async_device_register(dma);
        if (ret)
                goto free_irq;
 
@@ -952,7 +952,7 @@ static int sirfsoc_dma_probe(struct platform_device *op)
        ret = of_dma_controller_register(dn, of_dma_sirfsoc_xlate, sdma);
        if (ret) {
                dev_err(dev, "failed to register DMA controller\n");
-               goto unreg_dma_dev;
+               goto free_irq;
        }
 
        pm_runtime_enable(&op->dev);
@@ -960,8 +960,6 @@ static int sirfsoc_dma_probe(struct platform_device *op)
 
        return 0;
 
-unreg_dma_dev:
-       dma_async_device_unregister(dma);
 free_irq:
        free_irq(sdma->irq, sdma);
 irq_dispose:
@@ -975,7 +973,6 @@ static int sirfsoc_dma_remove(struct platform_device *op)
        struct sirfsoc_dma *sdma = dev_get_drvdata(dev);
 
        of_dma_controller_free(op->dev.of_node);
-       dma_async_device_unregister(&sdma->dma);
        free_irq(sdma->irq, sdma);
        tasklet_kill(&sdma->tasklet);
        irq_dispose_mapping(sdma->irq);
-- 
2.17.1