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Commit 662f1ac3 authored by Maxime Ripard's avatar Maxime Ripard Committed by Vinod Koul
Browse files

dmaengine: tegra20: Split device_control 



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: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 6f5bad03

drivers/dma/tegra20-apb-dma.c

+2 −20
Original line number Diff line number Diff line
@@ -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;