[PATCH v3 43/59] dmaengine: tegra20: Split device_control
From: Maxime Ripard <hidden>
Date: 2014-10-22 15:59:25
Also in:
linux-arm-kernel, lkml
Subsystem:
dma generic offload engine subsystem, tegra dma drivers, the rest · Maintainers:
Vinod Koul, Laxman Dewangan, Jon Hunter, Linus Torvalds
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 <redacted> --- 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