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dmaengine: pl330: remove dma_slave_config direction usage 

dma_slave_config direction was marked as deprecated quite some
time back, remove the usage from this driver so that the field
can be removed

Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul 2018-10-25 15:26:07 +01:00
parent 107d06441b
commit 445897cbc9
1 changed files with 24 additions and 4 deletions
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28
drivers/dma/pl330.c
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@ -448,6 +448,7 @@ struct dma_pl330_chan {
/* DMA-mapped view of the FIFO; may differ if an IOMMU is present */
dma_addr_t fifo_dma;
enum dma_data_direction dir;
struct dma_slave_config slave_config;
/* for cyclic capability */
bool cyclic;
@ -542,6 +543,10 @@ struct _xfer_spec {
struct dma_pl330_desc *desc;
};
static int pl330_config_write(struct dma_chan *chan,
struct dma_slave_config *slave_config,
enum dma_transfer_direction direction);
static inline bool _queue_full(struct pl330_thread *thrd)
{
return thrd->req[0].desc != NULL && thrd->req[1].desc != NULL;
@ -2220,20 +2225,21 @@ static int fixup_burst_len(int max_burst_len, int quirks)
return max_burst_len;
}
static int pl330_config(struct dma_chan *chan,
struct dma_slave_config *slave_config)
static int pl330_config_write(struct dma_chan *chan,
struct dma_slave_config *slave_config,
enum dma_transfer_direction direction)
{
struct dma_pl330_chan *pch = to_pchan(chan);
pl330_unprep_slave_fifo(pch);
if (slave_config->direction == DMA_MEM_TO_DEV) {
if (direction == DMA_MEM_TO_DEV) {
if (slave_config->dst_addr)
pch->fifo_addr = slave_config->dst_addr;
if (slave_config->dst_addr_width)
pch->burst_sz = __ffs(slave_config->dst_addr_width);
pch->burst_len = fixup_burst_len(slave_config->dst_maxburst,
pch->dmac->quirks);
} else if (slave_config->direction == DMA_DEV_TO_MEM) {
} else if (direction == DMA_DEV_TO_MEM) {
if (slave_config->src_addr)
pch->fifo_addr = slave_config->src_addr;
if (slave_config->src_addr_width)
@ -2245,6 +2251,16 @@ static int pl330_config(struct dma_chan *chan,
return 0;
}
static int pl330_config(struct dma_chan *chan,
struct dma_slave_config *slave_config)
{
struct dma_pl330_chan *pch = to_pchan(chan);
memcpy(&pch->slave_config, slave_config, sizeof(*slave_config));
return 0;
}
static int pl330_terminate_all(struct dma_chan *chan)
{
struct dma_pl330_chan *pch = to_pchan(chan);
@ -2661,6 +2677,8 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(
return NULL;
}
pl330_config_write(chan, &pch->slave_config, direction);
if (!pl330_prep_slave_fifo(pch, direction))
return NULL;
@ -2815,6 +2833,8 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
if (unlikely(!pch || !sgl || !sg_len))
return NULL;
pl330_config_write(chan, &pch->slave_config, direction);
if (!pl330_prep_slave_fifo(pch, direction))
return NULL;