ARM: SAMSUNG: Make dma request compatible to generic dma bindings.
This patch make the dma dev request operation compatible for both
DT and non-DT cases. It takes the all the arguments required for
dma_request_slave_channel and dma_request_channel. If the driver
is initiated via DT or non-DT the corresponding call will be made.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
index d088afa..71d58dd 100644
--- a/arch/arm/plat-samsung/dma-ops.c
+++ b/arch/arm/plat-samsung/dma-ops.c
@@ -19,7 +19,8 @@
#include <mach/dma.h>
static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
- struct samsung_dma_req *param)
+ struct samsung_dma_req *param,
+ struct device *dev, char *ch_name)
{
dma_cap_mask_t mask;
void *filter_param;
@@ -33,7 +34,12 @@
*/
filter_param = (dma_ch == DMACH_DT_PROP) ?
(void *)param->dt_dmach_prop : (void *)dma_ch;
- return (unsigned)dma_request_channel(mask, pl330_filter, filter_param);
+
+ if (dev->of_node)
+ return (unsigned)dma_request_slave_channel(dev, ch_name);
+ else
+ return (unsigned)dma_request_channel(mask, pl330_filter,
+ filter_param);
}
static int samsung_dmadev_release(unsigned ch, void *param)
diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
index f5144cd..1141782 100644
--- a/arch/arm/plat-samsung/include/plat/dma-ops.h
+++ b/arch/arm/plat-samsung/include/plat/dma-ops.h
@@ -39,7 +39,8 @@
};
struct samsung_dma_ops {
- unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param);
+ unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param,
+ struct device *dev, char *ch_name);
int (*release)(unsigned ch, void *param);
int (*config)(unsigned ch, struct samsung_dma_config *param);
int (*prepare)(unsigned ch, struct samsung_dma_prep *param);
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c
index f99448c..0cc40ae 100644
--- a/arch/arm/plat-samsung/s3c-dma-ops.c
+++ b/arch/arm/plat-samsung/s3c-dma-ops.c
@@ -36,7 +36,8 @@
}
static unsigned s3c_dma_request(enum dma_ch dma_ch,
- struct samsung_dma_req *param)
+ struct samsung_dma_req *param,
+ struct device *dev, char *ch_name)
{
struct cb_data *data;