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| author | Vinod Koul <vkoul@kernel.org> | 2018-10-25 17:26:07 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-11-24 17:52:21 +0300 |
| commit | 445897cbc9d3e2bcae8a1b3bcf80f69b699eafda (patch) | |
| tree | 572b835dd4aecb8e78cad5c1534d27e58ec9b3dc /drivers/dma/pl330.c | |
| parent | 107d06441b709d31ce592535086992799ee51e17 (diff) | |
| download | linux-445897cbc9d3e2bcae8a1b3bcf80f69b699eafda.tar.xz | |
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>
Diffstat (limited to 'drivers/dma/pl330.c')
| -rw-r--r-- | drivers/dma/pl330.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 88750a34e859..cff1b143fff5 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -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; |