UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: moxart: Split device_control 

Split the device_control callback of the Moxart 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 14:42:23 +01:00 committed by Vinod Koul
parent f43a6fd400
commit ac850cc7da
1 changed files with 2 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/dma/moxart-dma.c
View File

@ -263,28 +263,6 @@ static int moxart_slave_config(struct dma_chan *chan,
return 0;
}
static int moxart_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
unsigned long arg)
{
int ret = 0;
switch (cmd) {
case DMA_PAUSE:
case DMA_RESUME:
return -EINVAL;
case DMA_TERMINATE_ALL:
moxart_terminate_all(chan);
break;
case DMA_SLAVE_CONFIG:
ret = moxart_slave_config(chan, (struct dma_slave_config *)arg);
break;
default:
ret = -ENOSYS;
}
return ret;
}
static struct dma_async_tx_descriptor *moxart_prep_slave_sg(
struct dma_chan *chan, struct scatterlist *sgl,
unsigned int sg_len, enum dma_transfer_direction dir,
@ -531,7 +509,8 @@ static void moxart_dma_init(struct dma_device *dma, struct device *dev)
dma->device_free_chan_resources = moxart_free_chan_resources;
dma->device_issue_pending = moxart_issue_pending;
dma->device_tx_status = moxart_tx_status;
dma->device_control = moxart_control;
dma->device_config = moxart_slave_config;
dma->device_terminate_all = moxart_terminate_all;
dma->dev = dev;
INIT_LIST_HEAD(&dma->channels);