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dmaengine: tegra20: Split device_control

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Split the device_control callback of the NVidia Tegra20 APB DMA driver to make
use of the newly introduced callbacks, that will eventually be used to retrieve
slave capabilities.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Maxime Ripard 2014-11-17 14:42:37 +01:00 committed by Vinod Koul
parent 6f5bad03e8
commit 662f1ac312
1 changed files with 2 additions and 20 deletions
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22
drivers/dma/tegra20-apb-dma.c
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@ -827,25 +827,6 @@ static enum dma_status tegra_dma_tx_status(struct dma_chan *dc,
return ret;
}
static int tegra_dma_device_control(struct dma_chan *dc, enum dma_ctrl_cmd cmd,
unsigned long arg)
{
switch (cmd) {
case DMA_SLAVE_CONFIG:
return tegra_dma_slave_config(dc,
(struct dma_slave_config *)arg);
case DMA_TERMINATE_ALL:
tegra_dma_terminate_all(dc);
return 0;
default:
break;
}
return -ENXIO;
}
static inline int get_bus_width(struct tegra_dma_channel *tdc,
enum dma_slave_buswidth slave_bw)
{
@ -1443,7 +1424,8 @@ static int tegra_dma_probe(struct platform_device *pdev)
tegra_dma_free_chan_resources;
tdma->dma_dev.device_prep_slave_sg = tegra_dma_prep_slave_sg;
tdma->dma_dev.device_prep_dma_cyclic = tegra_dma_prep_dma_cyclic;
tdma->dma_dev.device_control = tegra_dma_device_control;
tdma->dma_dev.device_config = tegra_dma_slave_config;
tdma->dma_dev.device_terminate_all = tegra_dma_terminate_all;
tdma->dma_dev.device_tx_status = tegra_dma_tx_status;
tdma->dma_dev.device_issue_pending = tegra_dma_issue_pending;