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dmaengine: mic_x100_dma: use the new helper to simplify the code

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Use dmaenginem_async_device_register() to simplify the code:
    remove the mic_dma_unregister_dma_device()

Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Huang Shijie 2018-07-26 14:45:54 +08:00 committed by Vinod Koul
parent f39b948dbe
commit f6206f00d8
1 changed files with 1 additions and 7 deletions
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8
drivers/dma/mic_x100_dma.c
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@ -470,11 +470,6 @@ static void mic_dma_chan_destroy(struct mic_dma_chan *ch)
mic_dma_chan_mask_intr(ch); mic_dma_chan_mask_intr(ch);
} }
static void mic_dma_unregister_dma_device(struct mic_dma_device *mic_dma_dev)
{
dma_async_device_unregister(&mic_dma_dev->dma_dev);
}
static int mic_dma_setup_irq(struct mic_dma_chan *ch) static int mic_dma_setup_irq(struct mic_dma_chan *ch)
{ {
ch->cookie = ch->cookie =
@ -630,7 +625,7 @@ static int mic_dma_register_dma_device(struct mic_dma_device *mic_dma_dev,
list_add_tail(&mic_dma_dev->mic_ch[i].api_ch.device_node, list_add_tail(&mic_dma_dev->mic_ch[i].api_ch.device_node,
&mic_dma_dev->dma_dev.channels); &mic_dma_dev->dma_dev.channels);
} }
return dma_async_device_register(&mic_dma_dev->dma_dev); return dmaenginem_async_device_register(&mic_dma_dev->dma_dev);
} }
/* /*
@ -678,7 +673,6 @@ alloc_error:
static void mic_dma_dev_unreg(struct mic_dma_device *mic_dma_dev) static void mic_dma_dev_unreg(struct mic_dma_device *mic_dma_dev)
{ {
mic_dma_unregister_dma_device(mic_dma_dev);
mic_dma_uninit(mic_dma_dev); mic_dma_uninit(mic_dma_dev);
kfree(mic_dma_dev); kfree(mic_dma_dev);
} }