diff options
| author | Vinod Koul <vkoul@kernel.org> | 2018-10-25 15:06:06 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-11-05 10:32:46 +0530 |
| commit | 56b94b02cb079a049d8fe68ce4171f57bfb109b9 (patch) | |
| tree | 54004574f7a85c82979423e11b49ab3efb2ec0f5 /drivers/dma/mmp_pdma.c | |
| parent | 651022382c7f8da46cb4872a545ee1da6d097d2a (diff) | |
dmaengine: mmp_pdma: 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/mmp_pdma.c')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index eb3a1f42ab06..334bab92d26d 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -96,6 +96,7 @@ struct mmp_pdma_chan { struct dma_async_tx_descriptor desc; struct mmp_pdma_phy *phy; enum dma_transfer_direction dir; + struct dma_slave_config slave_config; struct mmp_pdma_desc_sw *cyclic_first; /* first desc_sw if channel * is in cyclic mode */ @@ -140,6 +141,10 @@ struct mmp_pdma_device { #define to_mmp_pdma_dev(dmadev) \ container_of(dmadev, struct mmp_pdma_device, device) +static int mmp_pdma_config_write(struct dma_chan *dchan, + struct dma_slave_config *cfg, + enum dma_transfer_direction direction); + static void set_desc(struct mmp_pdma_phy *phy, dma_addr_t addr) { u32 reg = (phy->idx << 4) + DDADR; @@ -537,6 +542,8 @@ mmp_pdma_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, chan->byte_align = false; + mmp_pdma_config_write(dchan, &chan->slave_config, dir); + for_each_sg(sgl, sg, sg_len, i) { addr = sg_dma_address(sg); avail = sg_dma_len(sgl); @@ -619,6 +626,7 @@ mmp_pdma_prep_dma_cyclic(struct dma_chan *dchan, return NULL; chan = to_mmp_pdma_chan(dchan); + mmp_pdma_config_write(dchan, &chan->slave_config, direction); switch (direction) { case DMA_MEM_TO_DEV: @@ -684,8 +692,9 @@ fail: return NULL; } -static int mmp_pdma_config(struct dma_chan *dchan, - struct dma_slave_config *cfg) +static int mmp_pdma_config_write(struct dma_chan *dchan, + struct dma_slave_config *cfg, + enum dma_transfer_direction direction) { struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan); u32 maxburst = 0, addr = 0; @@ -694,12 +703,12 @@ static int mmp_pdma_config(struct dma_chan *dchan, if (!dchan) return -EINVAL; - if (cfg->direction == DMA_DEV_TO_MEM) { + if (direction == DMA_DEV_TO_MEM) { chan->dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC; maxburst = cfg->src_maxburst; width = cfg->src_addr_width; addr = cfg->src_addr; - } else if (cfg->direction == DMA_MEM_TO_DEV) { + } else if (direction == DMA_MEM_TO_DEV) { chan->dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG; maxburst = cfg->dst_maxburst; width = cfg->dst_addr_width; @@ -720,7 +729,7 @@ static int mmp_pdma_config(struct dma_chan *dchan, else if (maxburst == 32) chan->dcmd |= DCMD_BURST32; - chan->dir = cfg->direction; + chan->dir = direction; chan->dev_addr = addr; /* FIXME: drivers should be ported over to use the filter * function. Once that's done, the following two lines can @@ -732,6 +741,15 @@ static int mmp_pdma_config(struct dma_chan *dchan, return 0; } +static int mmp_pdma_config(struct dma_chan *dchan, + struct dma_slave_config *cfg) +{ + struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan); + + memcpy(&chan->slave_config, cfg, sizeof(*cfg)); + return 0; +} + static int mmp_pdma_terminate_all(struct dma_chan *dchan) { struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan); |