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Subject[PATCH 39/46] dmaengine: img-mdc-dma: use dmaenginem_async_device_register to simplify the code
Date
Use dmaenginem_async_device_register to simplify the code:
remove dma_async_device_unregister
remove label unregister

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

diff --git a/drivers/dma/img-mdc-dma.c b/drivers/dma/img-mdc-dma.c
index 25cec9c243e1..1e555ac62b1e 100644
--- a/drivers/dma/img-mdc-dma.c
+++ b/drivers/dma/img-mdc-dma.c
@@ -1001,21 +1001,19 @@ static int mdc_dma_probe(struct platform_device *pdev)
return ret;
}

- ret = dma_async_device_register(&mdma->dma_dev);
+ ret = dmaenginem_async_device_register(&mdma->dma_dev);
if (ret)
goto suspend;

ret = of_dma_controller_register(pdev->dev.of_node, mdc_of_xlate, mdma);
if (ret)
- goto unregister;
+ goto suspend;

dev_info(&pdev->dev, "MDC with %u channels and %u threads\n",
mdma->nr_channels, mdma->nr_threads);

return 0;

-unregister:
- dma_async_device_unregister(&mdma->dma_dev);
suspend:
if (!pm_runtime_enabled(&pdev->dev))
img_mdc_runtime_suspend(&pdev->dev);
@@ -1029,7 +1027,6 @@ static int mdc_dma_remove(struct platform_device *pdev)
struct mdc_chan *mchan, *next;

of_dma_controller_free(pdev->dev.of_node);
- dma_async_device_unregister(&mdma->dma_dev);

list_for_each_entry_safe(mchan, next, &mdma->dma_dev.channels,
vc.chan.device_node) {
--
2.17.1
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