dmaengine/dma_slave: introduce inline wrappers
Add inline wrappers for device_prep_slave_sg() and device_prep_dma_cyclic()
interfaces to hide new parameter from current users of affected interfaces.
Convert current users to use new wrappers instead of direct calls.
Suggested by Russell King [https://lkml.org/lkml/2012/2/3/269].
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
index 7f68042..2a200ba 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
@@ -825,7 +825,7 @@
| BM_GPMI_CTRL0_ADDRESS_INCREMENT
| BF_GPMI_CTRL0_XFER_COUNT(this->command_length);
pio[1] = pio[2] = 0;
- desc = channel->device->device_prep_slave_sg(channel,
+ desc = dmaengine_prep_slave_sg(channel,
(struct scatterlist *)pio,
ARRAY_SIZE(pio), DMA_TRANS_NONE, 0);
if (!desc) {
@@ -838,8 +838,7 @@
sg_init_one(sgl, this->cmd_buffer, this->command_length);
dma_map_sg(this->dev, sgl, 1, DMA_TO_DEVICE);
- desc = channel->device->device_prep_slave_sg(channel,
- sgl, 1, DMA_MEM_TO_DEV, 1);
+ desc = dmaengine_prep_slave_sg(channel, sgl, 1, DMA_MEM_TO_DEV, 1);
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -870,8 +869,7 @@
| BF_GPMI_CTRL0_ADDRESS(address)
| BF_GPMI_CTRL0_XFER_COUNT(this->upper_len);
pio[1] = 0;
- desc = channel->device->device_prep_slave_sg(channel,
- (struct scatterlist *)pio,
+ desc = dmaengine_prep_slave_sg(channel, (struct scatterlist *)pio,
ARRAY_SIZE(pio), DMA_TRANS_NONE, 0);
if (!desc) {
pr_err("step 1 error\n");
@@ -880,7 +878,7 @@
/* [2] send DMA request */
prepare_data_dma(this, DMA_TO_DEVICE);
- desc = channel->device->device_prep_slave_sg(channel, &this->data_sgl,
+ desc = dmaengine_prep_slave_sg(channel, &this->data_sgl,
1, DMA_MEM_TO_DEV, 1);
if (!desc) {
pr_err("step 2 error\n");
@@ -906,7 +904,7 @@
| BF_GPMI_CTRL0_ADDRESS(BV_GPMI_CTRL0_ADDRESS__NAND_DATA)
| BF_GPMI_CTRL0_XFER_COUNT(this->upper_len);
pio[1] = 0;
- desc = channel->device->device_prep_slave_sg(channel,
+ desc = dmaengine_prep_slave_sg(channel,
(struct scatterlist *)pio,
ARRAY_SIZE(pio), DMA_TRANS_NONE, 0);
if (!desc) {
@@ -916,8 +914,8 @@
/* [2] : send DMA request */
prepare_data_dma(this, DMA_FROM_DEVICE);
- desc = channel->device->device_prep_slave_sg(channel, &this->data_sgl,
- 1, DMA_DEV_TO_MEM, 1);
+ desc = dmaengine_prep_slave_sg(channel, &this->data_sgl,
+ 1, DMA_DEV_TO_MEM, 1);
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -962,8 +960,7 @@
pio[4] = payload;
pio[5] = auxiliary;
- desc = channel->device->device_prep_slave_sg(channel,
- (struct scatterlist *)pio,
+ desc = dmaengine_prep_slave_sg(channel, (struct scatterlist *)pio,
ARRAY_SIZE(pio), DMA_TRANS_NONE, 0);
if (!desc) {
pr_err("step 2 error\n");
@@ -997,7 +994,7 @@
| BF_GPMI_CTRL0_ADDRESS(address)
| BF_GPMI_CTRL0_XFER_COUNT(0);
pio[1] = 0;
- desc = channel->device->device_prep_slave_sg(channel,
+ desc = dmaengine_prep_slave_sg(channel,
(struct scatterlist *)pio, 2,
DMA_TRANS_NONE, 0);
if (!desc) {
@@ -1026,7 +1023,7 @@
pio[3] = geo->page_size;
pio[4] = payload;
pio[5] = auxiliary;
- desc = channel->device->device_prep_slave_sg(channel,
+ desc = dmaengine_prep_slave_sg(channel,
(struct scatterlist *)pio,
ARRAY_SIZE(pio), DMA_TRANS_NONE, 1);
if (!desc) {
@@ -1045,7 +1042,7 @@
| BF_GPMI_CTRL0_ADDRESS(address)
| BF_GPMI_CTRL0_XFER_COUNT(geo->page_size);
pio[1] = 0;
- desc = channel->device->device_prep_slave_sg(channel,
+ desc = dmaengine_prep_slave_sg(channel,
(struct scatterlist *)pio, 2,
DMA_TRANS_NONE, 1);
if (!desc) {