[PATCH 45/46] dmaengine: dma-axi-dmac: 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 err_unregister_device

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

diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 15b2453d2647..d510184762e6 100644
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -678,14 +678,14 @@ static int axi_dmac_probe(struct platform_device *pdev)
 
        axi_dmac_write(dmac, AXI_DMAC_REG_IRQ_MASK, 0x00);
 
-       ret = dma_async_device_register(dma_dev);
+       ret = dmaenginem_async_device_register(dma_dev);
        if (ret)
                goto err_clk_disable;
 
        ret = of_dma_controller_register(pdev->dev.of_node,
                of_dma_xlate_by_chan_id, dma_dev);
        if (ret)
-               goto err_unregister_device;
+               goto err_clk_disable;
 
        ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, IRQF_SHARED,
                dev_name(&pdev->dev), dmac);
@@ -698,8 +698,6 @@ static int axi_dmac_probe(struct platform_device *pdev)
 
 err_unregister_of:
        of_dma_controller_free(pdev->dev.of_node);
-err_unregister_device:
-       dma_async_device_unregister(&dmac->dma_dev);
 err_clk_disable:
        clk_disable_unprepare(dmac->clk);
 
@@ -713,7 +711,6 @@ static int axi_dmac_remove(struct platform_device *pdev)
        of_dma_controller_free(pdev->dev.of_node);
        free_irq(dmac->irq, dmac);
        tasklet_kill(&dmac->chan.vchan.task);
-       dma_async_device_unregister(&dmac->dma_dev);
        clk_disable_unprepare(dmac->clk);
 
        return 0;
-- 
2.17.1