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author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2014-11-17 14:42:11 +0100 |
---|---|---|
committer | Vinod Koul <vinod.koul@intel.com> | 2014-12-22 07:58:58 +0100 |
commit | 1d4c0b8cc37a3f1c9018ebdc808674ee13f1d489 (patch) | |
tree | b8f08061bf5d26d345bdbc9cb8d58584a12fae10 /drivers/dma/dma-jz4740.c | |
parent | dmaengine: cppi41: Split device_control (diff) | |
download | linux-1d4c0b8cc37a3f1c9018ebdc808674ee13f1d489.tar.xz linux-1d4c0b8cc37a3f1c9018ebdc808674ee13f1d489.zip |
dmaengine: jz4740: Split device_control
Split the device_control callback of the JZ4740 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>
Diffstat (limited to '')
-rw-r--r-- | drivers/dma/dma-jz4740.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index bdeafeefa5f6..4527a3ebeac4 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -210,7 +210,7 @@ static enum jz4740_dma_transfer_size jz4740_dma_maxburst(u32 maxburst) } static int jz4740_dma_slave_config(struct dma_chan *c, - const struct dma_slave_config *config) + struct dma_slave_config *config) { struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c); struct jz4740_dma_dev *dmadev = jz4740_dma_chan_get_dev(chan); @@ -290,21 +290,6 @@ static int jz4740_dma_terminate_all(struct dma_chan *c) return 0; } -static int jz4740_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, - unsigned long arg) -{ - struct dma_slave_config *config = (struct dma_slave_config *)arg; - - switch (cmd) { - case DMA_SLAVE_CONFIG: - return jz4740_dma_slave_config(chan, config); - case DMA_TERMINATE_ALL: - return jz4740_dma_terminate_all(chan); - default: - return -ENOSYS; - } -} - static int jz4740_dma_start_transfer(struct jz4740_dmaengine_chan *chan) { struct jz4740_dma_dev *dmadev = jz4740_dma_chan_get_dev(chan); @@ -561,7 +546,8 @@ static int jz4740_dma_probe(struct platform_device *pdev) dd->device_issue_pending = jz4740_dma_issue_pending; dd->device_prep_slave_sg = jz4740_dma_prep_slave_sg; dd->device_prep_dma_cyclic = jz4740_dma_prep_dma_cyclic; - dd->device_control = jz4740_dma_control; + dd->device_config = jz4740_dma_slave_config; + dd->device_terminate_all = jz4740_dma_terminate_all; dd->dev = &pdev->dev; INIT_LIST_HEAD(&dd->channels); |