UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: mmp_tdma: 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 2018-07-19 22:22:26 +05:30
parent 4e3c40408a
commit 314448f038
1 changed files with 20 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/dma/mmp_tdma.c
View File

@ -116,6 +116,7 @@ struct mmp_tdma_chan {
u32 burst_sz;
enum dma_slave_buswidth buswidth;
enum dma_status status;
struct dma_slave_config slave_config;
int idx;
enum mmp_tdma_type type;
@ -139,6 +140,10 @@ struct mmp_tdma_device {
#define to_mmp_tdma_chan(dchan) container_of(dchan, struct mmp_tdma_chan, chan)
static int mmp_tdma_config_write(struct dma_chan *chan,
enum dma_transfer_direction dir,
struct dma_slave_config *dmaengine_cfg);
static void mmp_tdma_chan_set_desc(struct mmp_tdma_chan *tdmac, dma_addr_t phys)
{
writel(phys, tdmac->reg_base + TDNDPR);
@ -442,6 +447,8 @@ static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic(
if (!desc)
goto err_out;
mmp_tdma_config_write(chan, direction, &tdmac->slave_config);
while (buf < buf_len) {
desc = &tdmac->desc_arr[i];
@ -495,7 +502,18 @@ static int mmp_tdma_config(struct dma_chan *chan,
{
struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {
memcpy(&tdmac->slave_config, dmaengine_cfg, sizeof(*dmaengine_cfg));
return 0;
}
static int mmp_tdma_config_write(struct dma_chan *chan,
enum dma_transfer_direction dir,
struct dma_slave_config *dmaengine_cfg)
{
struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
if (dir == DMA_DEV_TO_MEM) {
tdmac->dev_addr = dmaengine_cfg->src_addr;
tdmac->burst_sz = dmaengine_cfg->src_maxburst;
tdmac->buswidth = dmaengine_cfg->src_addr_width;
@ -504,7 +522,7 @@ static int mmp_tdma_config(struct dma_chan *chan,
tdmac->burst_sz = dmaengine_cfg->dst_maxburst;
tdmac->buswidth = dmaengine_cfg->dst_addr_width;
}
tdmac->dir = dmaengine_cfg->direction;
tdmac->dir = dir;
return mmp_tdma_config_chan(chan);
}