[PATCH v3 43/59] dmaengine: tegra20: Split device_control

Maxime Ripard
2014-10-22T15:59:25Z

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>
---
drivers/dma/tegra20-apb-dma.c | 22 ++--------------------
1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 16efa603ff65..dea6b78080aa 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -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;

--
2.1.1