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dmaengine: ste_dma40: 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

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul 2018-10-29 10:09:47 +05:30
parent 445897cbc9
commit 9e314ef35c
1 changed files with 25 additions and 6 deletions
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31
drivers/dma/ste_dma40.c
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@ -442,6 +442,7 @@ struct d40_base;
* @queue: Queued jobs.
* @prepare_queue: Prepared jobs.
* @dma_cfg: The client configuration of this dma channel.
* @slave_config: DMA slave configuration.
* @configured: whether the dma_cfg configuration is valid
* @base: Pointer to the device instance struct.
* @src_def_cfg: Default cfg register setting for src.
@ -468,6 +469,7 @@ struct d40_chan {
struct list_head queue;
struct list_head prepare_queue;
struct stedma40_chan_cfg dma_cfg;
struct dma_slave_config slave_config;
bool configured;
struct d40_base *base;
/* Default register configurations */
@ -625,6 +627,10 @@ static void __iomem *chan_base(struct d40_chan *chan)
#define chan_err(d40c, format, arg...) \
d40_err(chan2dev(d40c), format, ## arg)
static int d40_set_runtime_config_write(struct dma_chan *chan,
struct dma_slave_config *config,
enum dma_transfer_direction direction);
static int d40_pool_lli_alloc(struct d40_chan *d40c, struct d40_desc *d40d,
int lli_len)
{
@ -2216,6 +2222,8 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
return NULL;
}
d40_set_runtime_config_write(dchan, &chan->slave_config, direction);
spin_lock_irqsave(&chan->lock, flags);
desc = d40_prep_desc(chan, sg_src, sg_len, dma_flags);
@ -2634,11 +2642,22 @@ dma40_config_to_halfchannel(struct d40_chan *d40c,
return 0;
}
/* Runtime reconfiguration extension */
static int d40_set_runtime_config(struct dma_chan *chan,
struct dma_slave_config *config)
{
struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
memcpy(&d40c->slave_config, config, sizeof(*config));
return 0;
}
/* Runtime reconfiguration extension */
static int d40_set_runtime_config_write(struct dma_chan *chan,
struct dma_slave_config *config,
enum dma_transfer_direction direction)
{
struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
struct stedma40_chan_cfg *cfg = &d40c->dma_cfg;
enum dma_slave_buswidth src_addr_width, dst_addr_width;
dma_addr_t config_addr;
@ -2655,7 +2674,7 @@ static int d40_set_runtime_config(struct dma_chan *chan,
dst_addr_width = config->dst_addr_width;
dst_maxburst = config->dst_maxburst;
if (config->direction == DMA_DEV_TO_MEM) {
if (direction == DMA_DEV_TO_MEM) {
config_addr = config->src_addr;
if (cfg->dir != DMA_DEV_TO_MEM)
@ -2671,7 +2690,7 @@ static int d40_set_runtime_config(struct dma_chan *chan,
if (dst_maxburst == 0)
dst_maxburst = src_maxburst;
} else if (config->direction == DMA_MEM_TO_DEV) {
} else if (direction == DMA_MEM_TO_DEV) {
config_addr = config->dst_addr;
if (cfg->dir != DMA_MEM_TO_DEV)
@ -2689,7 +2708,7 @@ static int d40_set_runtime_config(struct dma_chan *chan,
} else {
dev_err(d40c->base->dev,
"unrecognized channel direction %d\n",
config->direction);
direction);
return -EINVAL;
}
@ -2746,12 +2765,12 @@ static int d40_set_runtime_config(struct dma_chan *chan,
/* These settings will take precedence later */
d40c->runtime_addr = config_addr;
d40c->runtime_direction = config->direction;
d40c->runtime_direction = direction;
dev_dbg(d40c->base->dev,
"configured channel %s for %s, data width %d/%d, "
"maxburst %d/%d elements, LE, no flow control\n",
dma_chan_name(chan),
(config->direction == DMA_DEV_TO_MEM) ? "RX" : "TX",
(direction == DMA_DEV_TO_MEM) ? "RX" : "TX",
src_addr_width, dst_addr_width,
src_maxburst, dst_maxburst);