ARM: SAMSUNG: Remove Samsung specific enum type for dma direction

This patch removes the samsung specific enum type 's3c2410_dmasrc'
and uses 'dma_data_direction' instead.

Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

8 files changed, 19 insertions, 25 deletions

diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h
index 4e485bab66de..ae8e482b6427 100644
--- a/arch/arm/mach-s3c2410/include/mach/dma.h
+++ b/arch/arm/mach-s3c2410/include/mach/dma.h
@@ -174,7 +174,7 @@ struct s3c2410_dma_chan {
         struct s3c2410_dma_client *client;
 
         /* channel configuration */
-        enum s3c2410_dmasrc      source;
+        enum dma_data_direction  source;
         enum dma_ch              req_ch;
         unsigned long            dev_addr;
         unsigned long            load_timeout;
diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c
index 7abecfca0b7e..b4fc3ba367d6 100644
--- a/arch/arm/mach-s3c2412/dma.c
+++ b/arch/arm/mach-s3c2412/dma.c
@@ -148,11 +148,11 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
 
 static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan,
                                   struct s3c24xx_dma_map *map,
-                                  enum s3c2410_dmasrc dir)
+                                  enum dma_data_direction dir)
 {
         unsigned long chsel;
 
-        if (dir == S3C2410_DMASRC_HW)
+        if (dir == DMA_FROM_DEVICE)
                 chsel = map->channels_rx[0];
         else
                 chsel = map->channels[0];
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index 204bfafe4bfc..67c97fab62fd 100644
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -147,14 +147,14 @@ static void s3c64xx_dma_fill_lli(struct s3c2410_dma_chan *chan,
         u32 control0, control1;
 
         switch (chan->source) {
-        case S3C2410_DMASRC_HW:
+        case DMA_FROM_DEVICE:
                 src = chan->dev_addr;
                 dst = data;
                 control0 = PL080_CONTROL_SRC_AHB2;
                 control0 |= PL080_CONTROL_DST_INCR;
                 break;
 
-        case S3C2410_DMASRC_MEM:
+        case DMA_TO_DEVICE:
                 src = data;
                 dst = chan->dev_addr;
                 control0 = PL080_CONTROL_DST_AHB2;
@@ -416,7 +416,7 @@ EXPORT_SYMBOL(s3c2410_dma_enqueue);
 
 
 int s3c2410_dma_devconfig(enum dma_ch channel,
-                          enum s3c2410_dmasrc source,
+                          enum dma_data_direction source,
                           unsigned long devaddr)
 {
         struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -437,11 +437,11 @@ int s3c2410_dma_devconfig(enum dma_ch channel,
         pr_debug("%s: peripheral %d\n", __func__, peripheral);
 
         switch (source) {
-        case S3C2410_DMASRC_HW:
+        case DMA_FROM_DEVICE:
                 config = 2 << PL080_CONFIG_FLOW_CONTROL_SHIFT;
                 config |= peripheral << PL080_CONFIG_SRC_SEL_SHIFT;
                 break;
-        case S3C2410_DMASRC_MEM:
+        case DMA_TO_DEVICE:
                 config = 1 << PL080_CONFIG_FLOW_CONTROL_SHIFT;
                 config |= peripheral << PL080_CONFIG_DST_SEL_SHIFT;
                 break;
diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index 74fdf25c9042..fe1a98cf0e4c 100644
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -99,7 +99,7 @@ struct s3c2410_dma_chan {
         unsigned char            peripheral;
 
         unsigned int             flags;
-        enum s3c2410_dmasrc      source;
+        enum dma_data_direction  source;
 
 
         dma_addr_t              dev_addr;
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 539bd0e3defd..53754bcf15a7 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1094,14 +1094,14 @@ EXPORT_SYMBOL(s3c2410_dma_config);
  *
  * configure the dma source/destination hardware type and address
  *
- * source:    S3C2410_DMASRC_HW: source is hardware
- *            S3C2410_DMASRC_MEM: source is memory
+ * source:    DMA_FROM_DEVICE: source is hardware
+ *            DMA_TO_DEVICE: source is memory
  *
  * devaddr:   physical address of the source
 */
 
 int s3c2410_dma_devconfig(enum dma_ch channel,
-                          enum s3c2410_dmasrc source,
+                          enum dma_data_direction source,
                           unsigned long devaddr)
 {
         struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -1131,7 +1131,7 @@ int s3c2410_dma_devconfig(enum dma_ch channel,
          hwcfg |= S3C2410_DISRCC_INC;
 
         switch (source) {
-        case S3C2410_DMASRC_HW:
+        case DMA_FROM_DEVICE:
                 /* source is hardware */
                 pr_debug("%s: hw source, devaddr=%08lx, hwcfg=%d\n",
                          __func__, devaddr, hwcfg);
@@ -1142,7 +1142,7 @@ int s3c2410_dma_devconfig(enum dma_ch channel,
                 chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DIDST);
                 break;
 
-        case S3C2410_DMASRC_MEM:
+        case DMA_TO_DEVICE:
                 /* source is memory */
                 pr_debug("%s: mem source, devaddr=%08lx, hwcfg=%d\n",
                          __func__, devaddr, hwcfg);
diff --git a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
index 336d5ac02035..19828296a562 100644
--- a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
+++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
@@ -47,7 +47,7 @@ struct s3c24xx_dma_selection {
 
         void    (*direction)(struct s3c2410_dma_chan *chan,
                              struct s3c24xx_dma_map *map,
-                             enum s3c2410_dmasrc dir);
+                             enum dma_data_direction dir);
 };
 
 extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel);
diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h
index 361076060744..b9061128abde 100644
--- a/arch/arm/plat-samsung/include/plat/dma.h
+++ b/arch/arm/plat-samsung/include/plat/dma.h
@@ -10,17 +10,14 @@
  * published by the Free Software Foundation.
 */
 
+#include <linux/dma-mapping.h>
+
 enum s3c2410_dma_buffresult {
         S3C2410_RES_OK,
         S3C2410_RES_ERR,
         S3C2410_RES_ABORT
 };
 
-enum s3c2410_dmasrc {
-        S3C2410_DMASRC_HW,              /* source is memory */
-        S3C2410_DMASRC_MEM              /* source is hardware */
-};
-
 /* enum s3c2410_chan_op
  *
  * operation codes passed to the DMA code by the user, and also used
@@ -112,7 +109,7 @@ extern int s3c2410_dma_config(enum dma_ch channel, int xferunit);
 */
 
 extern int s3c2410_dma_devconfig(enum dma_ch channel,
-                enum s3c2410_dmasrc source, unsigned long devaddr);
+                enum dma_data_direction source, unsigned long devaddr);
 
 /* s3c2410_dma_getposition
  *
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c
index 33ab3241268d..582333c70585 100644
--- a/arch/arm/plat-samsung/s3c-dma-ops.c
+++ b/arch/arm/plat-samsung/s3c-dma-ops.c
@@ -48,10 +48,7 @@ static unsigned s3c_dma_request(enum dma_ch dma_ch,
         data->ch = dma_ch;
         list_add_tail(&data->node, &dma_list);
 
-        if (info->direction == DMA_FROM_DEVICE)
-                s3c2410_dma_devconfig(dma_ch, S3C2410_DMASRC_HW, info->fifo);
-        else
-                s3c2410_dma_devconfig(dma_ch, S3C2410_DMASRC_MEM, info->fifo);
+        s3c2410_dma_devconfig(dma_ch, info->direction, info->fifo);
 
         if (info->cap == DMA_CYCLIC)
                 s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR);