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dmaengine: sun6i: remove device_alloc_chan_resources handler 

Now that device_alloc_chan_resources handler in not mandatory, remove dummy
implementations

Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2015-03-16 14:00:46 +05:30
parent 7595c5717f
commit 2fcb9e3c86
1 changed files with 0 additions and 6 deletions
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6
drivers/dma/sun6i-dma.c
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@ -796,11 +796,6 @@ static void sun6i_dma_issue_pending(struct dma_chan *chan)
spin_unlock_irqrestore(&vchan->vc.lock, flags);
}
static int sun6i_dma_alloc_chan_resources(struct dma_chan *chan)
{
return 0;
}
static void sun6i_dma_free_chan_resources(struct dma_chan *chan)
{
struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device);
@ -957,7 +952,6 @@ static int sun6i_dma_probe(struct platform_device *pdev)
dma_cap_set(DMA_SLAVE, sdc->slave.cap_mask);
INIT_LIST_HEAD(&sdc->slave.channels);
sdc->slave.device_alloc_chan_resources = sun6i_dma_alloc_chan_resources;
sdc->slave.device_free_chan_resources = sun6i_dma_free_chan_resources;
sdc->slave.device_tx_status = sun6i_dma_tx_status;
sdc->slave.device_issue_pending = sun6i_dma_issue_pending;