dmaengine: cppi41: Split device_control
Split the device_control callback of the TI CPPI41 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:
Родитель
6782af118b
Коммит
3b5a03a664
|
@ -525,12 +525,6 @@ static struct dma_async_tx_descriptor *cppi41_dma_prep_slave_sg(
|
|||
return &c->txd;
|
||||
}
|
||||
|
||||
static int cpp41_cfg_chan(struct cppi41_channel *c,
|
||||
struct dma_slave_config *cfg)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void cppi41_compute_td_desc(struct cppi41_desc *d)
|
||||
{
|
||||
d->pd0 = DESC_TYPE_TEARD << DESC_TYPE;
|
||||
|
@ -647,28 +641,6 @@ static int cppi41_stop_chan(struct dma_chan *chan)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int cppi41_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
|
||||
unsigned long arg)
|
||||
{
|
||||
struct cppi41_channel *c = to_cpp41_chan(chan);
|
||||
int ret;
|
||||
|
||||
switch (cmd) {
|
||||
case DMA_SLAVE_CONFIG:
|
||||
ret = cpp41_cfg_chan(c, (struct dma_slave_config *) arg);
|
||||
break;
|
||||
|
||||
case DMA_TERMINATE_ALL:
|
||||
ret = cppi41_stop_chan(chan);
|
||||
break;
|
||||
|
||||
default:
|
||||
ret = -ENXIO;
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void cleanup_chans(struct cppi41_dd *cdd)
|
||||
{
|
||||
while (!list_empty(&cdd->ddev.channels)) {
|
||||
|
@ -953,7 +925,7 @@ static int cppi41_dma_probe(struct platform_device *pdev)
|
|||
cdd->ddev.device_tx_status = cppi41_dma_tx_status;
|
||||
cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
|
||||
cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
|
||||
cdd->ddev.device_control = cppi41_dma_control;
|
||||
cdd->ddev.device_terminate_all = cppi41_stop_chan;
|
||||
cdd->ddev.dev = dev;
|
||||
INIT_LIST_HEAD(&cdd->ddev.channels);
|
||||
cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;
|
||||
|
|
Загрузка…
Ссылка в новой задаче