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@xxxxxxxxxx>
---
drivers/dma/fsl-edma.c | 87 ++++++++++++++++++++++++++------------------------
1 file changed, 46 insertions(+), 41 deletions(-)
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c
index c7568869284e..f8b4408aedb8 100644
--- a/drivers/dma/fsl-edma.c
+++ b/drivers/dma/fsl-edma.c
@@ -140,14 +140,6 @@ struct fsl_edma_sw_tcd {
struct fsl_edma_hw_tcd *vtcd;
};
-struct fsl_edma_slave_config {
- enum dma_transfer_direction dir;
- enum dma_slave_buswidth addr_width;
- u32 dev_addr;
- u32 burst;
- u32 attr;
-};
-
struct fsl_edma_chan {
struct virt_dma_chan vchan;
enum dma_status status;
@@ -156,7 +148,8 @@ struct fsl_edma_chan {
u32 slave_id;
struct fsl_edma_engine *edma;
struct fsl_edma_desc *edesc;
- struct fsl_edma_slave_config fsc;
+ struct dma_slave_config cfg;
+ u32 attr;
struct dma_pool *tcd_pool;
};
@@ -164,6 +157,7 @@ struct fsl_edma_desc {
struct virt_dma_desc vdesc;
struct fsl_edma_chan *echan;
bool iscyclic;
+ enum dma_transfer_direction dirn;
unsigned int n_tcds;
struct fsl_edma_sw_tcd tcd[];
};
@@ -347,20 +341,8 @@ static int fsl_edma_slave_config(struct dma_chan *chan,
{
struct fsl_edma_chan *fsl_chan = to_fsl_edma_chan(chan);
- fsl_chan->fsc.dir = cfg->direction;
- if (cfg->direction == DMA_DEV_TO_MEM) {
- fsl_chan->fsc.dev_addr = cfg->src_addr;
- fsl_chan->fsc.addr_width = cfg->src_addr_width;
- fsl_chan->fsc.burst = cfg->src_maxburst;
- fsl_chan->fsc.attr = fsl_edma_get_tcd_attr(cfg->src_addr_width);
- } else if (cfg->direction == DMA_MEM_TO_DEV) {
- fsl_chan->fsc.dev_addr = cfg->dst_addr;
- fsl_chan->fsc.addr_width = cfg->dst_addr_width;
- fsl_chan->fsc.burst = cfg->dst_maxburst;
- fsl_chan->fsc.attr = fsl_edma_get_tcd_attr(cfg->dst_addr_width);
- } else {
- return -EINVAL;
- }
+ memcpy(&fsl_chan->cfg, cfg, sizeof(*cfg));
+
return 0;
}
@@ -370,7 +352,7 @@ static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan,
struct fsl_edma_desc *edesc = fsl_chan->edesc;
void __iomem *addr = fsl_chan->edma->membase;
u32 ch = fsl_chan->vchan.chan.chan_id;
- enum dma_transfer_direction dir = fsl_chan->fsc.dir;
+ enum dma_transfer_direction dir = edesc->dirn;
dma_addr_t cur_addr, dma_addr;
size_t len, size;
int i;
@@ -550,7 +532,7 @@ static struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic(
u32 src_addr, dst_addr, last_sg, nbytes;
u16 soff, doff, iter;
- if (!is_slave_direction(fsl_chan->fsc.dir))
+ if (!is_slave_direction(direction))
return NULL;
sg_len = buf_len / period_len;
@@ -558,9 +540,21 @@ static struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic(
if (!fsl_desc)
return NULL;
fsl_desc->iscyclic = true;
+ fsl_desc->dirn = direction;
dma_buf_next = dma_addr;
- nbytes = fsl_chan->fsc.addr_width * fsl_chan->fsc.burst;
+ if (direction == DMA_MEM_TO_DEV) {
+ fsl_chan->attr =
+ fsl_edma_get_tcd_attr(fsl_chan->cfg.dst_addr_width);
+ nbytes = fsl_chan->cfg.dst_addr_width *
+ fsl_chan->cfg.dst_maxburst;
+ } else {
+ fsl_chan->attr =
+ fsl_edma_get_tcd_attr(fsl_chan->cfg.src_addr_width);
+ nbytes = fsl_chan->cfg.src_addr_width *
+ fsl_chan->cfg.src_maxburst;
+ }
+
iter = period_len / nbytes;
for (i = 0; i < sg_len; i++) {
@@ -570,20 +564,20 @@ static struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic(
/* get next sg's physical address */
last_sg = fsl_desc->tcd[(i + 1) % sg_len].ptcd;
- if (fsl_chan->fsc.dir == DMA_MEM_TO_DEV) {
+ if (direction == DMA_MEM_TO_DEV) {
src_addr = dma_buf_next;
- dst_addr = fsl_chan->fsc.dev_addr;
- soff = fsl_chan->fsc.addr_width;
+ dst_addr = fsl_chan->cfg.dst_addr;
+ soff = fsl_chan->cfg.dst_addr_width;
doff = 0;
} else {
- src_addr = fsl_chan->fsc.dev_addr;
+ src_addr = fsl_chan->cfg.src_addr;
dst_addr = dma_buf_next;
soff = 0;
- doff = fsl_chan->fsc.addr_width;
+ doff = fsl_chan->cfg.src_addr_width;
}
fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr, dst_addr,
- fsl_chan->fsc.attr, soff, nbytes, 0, iter,
+ fsl_chan->attr, soff, nbytes, 0, iter,
iter, doff, last_sg, true, false, true);
dma_buf_next += period_len;
}
@@ -603,42 +597,53 @@ static struct dma_async_tx_descriptor *fsl_edma_prep_slave_sg(
u16 soff, doff, iter;
int i;
- if (!is_slave_direction(fsl_chan->fsc.dir))
+ if (!is_slave_direction(direction))
return NULL;
fsl_desc = fsl_edma_alloc_desc(fsl_chan, sg_len);
if (!fsl_desc)
return NULL;
fsl_desc->iscyclic = false;
+ fsl_desc->dirn = direction;
- nbytes = fsl_chan->fsc.addr_width * fsl_chan->fsc.burst;
+ if (direction == DMA_MEM_TO_DEV) {
+ fsl_chan->attr =
+ fsl_edma_get_tcd_attr(fsl_chan->cfg.dst_addr_width);
+ nbytes = fsl_chan->cfg.dst_addr_width *
+ fsl_chan->cfg.dst_maxburst;
+ } else {
+ fsl_chan->attr =
+ fsl_edma_get_tcd_attr(fsl_chan->cfg.src_addr_width);
+ nbytes = fsl_chan->cfg.src_addr_width *
+ fsl_chan->cfg.src_maxburst;
+ }
for_each_sg(sgl, sg, sg_len, i) {
/* get next sg's physical address */
last_sg = fsl_desc->tcd[(i + 1) % sg_len].ptcd;
- if (fsl_chan->fsc.dir == DMA_MEM_TO_DEV) {
+ if (direction == DMA_MEM_TO_DEV) {
src_addr = sg_dma_address(sg);
- dst_addr = fsl_chan->fsc.dev_addr;
- soff = fsl_chan->fsc.addr_width;
+ dst_addr = fsl_chan->cfg.dst_addr;
+ soff = fsl_chan->cfg.dst_addr_width;
doff = 0;
} else {
- src_addr = fsl_chan->fsc.dev_addr;
+ src_addr = fsl_chan->cfg.src_addr;
dst_addr = sg_dma_address(sg);
soff = 0;
- doff = fsl_chan->fsc.addr_width;
+ doff = fsl_chan->cfg.src_addr_width;
}
iter = sg_dma_len(sg) / nbytes;
if (i < sg_len - 1) {
last_sg = fsl_desc->tcd[(i + 1)].ptcd;
fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr,
- dst_addr, fsl_chan->fsc.attr, soff,
+ dst_addr, fsl_chan->attr, soff,
nbytes, 0, iter, iter, doff, last_sg,
false, false, true);
} else {
last_sg = 0;
fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr,
- dst_addr, fsl_chan->fsc.attr, soff,
+ dst_addr, fsl_chan->attr, soff,
nbytes, 0, iter, iter, doff, last_sg,
true, true, false);
}
--
2.14.4
