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dmaengine: sirf: Split device_control 

Split the device_control callback of the SiRF Prima 2 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 14:42:34 +01:00 committed by Vinod Koul
parent be60f94074
commit ed14a7c9fa
1 changed files with 13 additions and 30 deletions
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43
drivers/dma/sirf-dma.c
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@ -281,9 +281,10 @@ static dma_cookie_t sirfsoc_dma_tx_submit(struct dma_async_tx_descriptor *txd)
return cookie;
}
static int sirfsoc_dma_slave_config(struct sirfsoc_dma_chan *schan,
struct dma_slave_config *config)
static int sirfsoc_dma_slave_config(struct dma_chan *chan,
struct dma_slave_config *config)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
unsigned long flags;
if ((config->src_addr_width != DMA_SLAVE_BUSWIDTH_4_BYTES) ||
@ -297,8 +298,9 @@ static int sirfsoc_dma_slave_config(struct sirfsoc_dma_chan *schan,
return 0;
}
static int sirfsoc_dma_terminate_all(struct sirfsoc_dma_chan *schan)
static int sirfsoc_dma_terminate_all(struct dma_chan *chan)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
struct sirfsoc_dma *sdma = dma_chan_to_sirfsoc_dma(&schan->chan);
int cid = schan->chan.chan_id;
unsigned long flags;
@ -327,8 +329,9 @@ static int sirfsoc_dma_terminate_all(struct sirfsoc_dma_chan *schan)
return 0;
}
static int sirfsoc_dma_pause_chan(struct sirfsoc_dma_chan *schan)
static int sirfsoc_dma_pause_chan(struct dma_chan *chan)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
struct sirfsoc_dma *sdma = dma_chan_to_sirfsoc_dma(&schan->chan);
int cid = schan->chan.chan_id;
unsigned long flags;
@ -348,8 +351,9 @@ static int sirfsoc_dma_pause_chan(struct sirfsoc_dma_chan *schan)
return 0;
}
static int sirfsoc_dma_resume_chan(struct sirfsoc_dma_chan *schan)
static int sirfsoc_dma_resume_chan(struct dma_chan *chan)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
struct sirfsoc_dma *sdma = dma_chan_to_sirfsoc_dma(&schan->chan);
int cid = schan->chan.chan_id;
unsigned long flags;
@ -369,30 +373,6 @@ static int sirfsoc_dma_resume_chan(struct sirfsoc_dma_chan *schan)
return 0;
}
static int sirfsoc_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
unsigned long arg)
{
struct dma_slave_config *config;
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
switch (cmd) {
case DMA_PAUSE:
return sirfsoc_dma_pause_chan(schan);
case DMA_RESUME:
return sirfsoc_dma_resume_chan(schan);
case DMA_TERMINATE_ALL:
return sirfsoc_dma_terminate_all(schan);
case DMA_SLAVE_CONFIG:
config = (struct dma_slave_config *)arg;
return sirfsoc_dma_slave_config(schan, config);
default:
break;
}
return -ENOSYS;
}
/* Alloc channel resources */
static int sirfsoc_dma_alloc_chan_resources(struct dma_chan *chan)
{
@ -739,7 +719,10 @@ static int sirfsoc_dma_probe(struct platform_device *op)
dma->device_alloc_chan_resources = sirfsoc_dma_alloc_chan_resources;
dma->device_free_chan_resources = sirfsoc_dma_free_chan_resources;
dma->device_issue_pending = sirfsoc_dma_issue_pending;
dma->device_control = sirfsoc_dma_control;
dma->device_config = sirfsoc_dma_slave_config;
dma->device_pause = sirfsoc_dma_pause_chan;
dma->device_resume = sirfsoc_dma_resume_chan;
dma->device_terminate_all = sirfsoc_dma_terminate_all;
dma->device_tx_status = sirfsoc_dma_tx_status;
dma->device_prep_interleaved_dma = sirfsoc_dma_prep_interleaved;
dma->device_prep_dma_cyclic = sirfsoc_dma_prep_cyclic;