[PATCH v8 16/16] ARM: SAMSUNG: Remove Samsung specific enum type for dma direction
Boojin Kim
boojin.kim at samsung.com
Thu Sep 1 20:44:44 EDT 2011
This patch removes the samsung specific enum type 's3c2410_dmasrc'
and uses 'dma_data_direction' instead.
Signed-off-by: Boojin Kim <boojin.kim at samsung.com>
Acked-by: Linus Walleij <linus.walleij at linaro.org>
Acked-by: Vinod Koul <vinod.koul at intel.com>
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
arch/arm/mach-s3c2410/include/mach/dma.h | 2 +-
arch/arm/mach-s3c2412/dma.c | 4 ++--
arch/arm/mach-s3c64xx/dma.c | 10 +++++-----
arch/arm/mach-s3c64xx/include/mach/dma.h | 2 +-
arch/arm/plat-s3c24xx/dma.c | 10 +++++-----
arch/arm/plat-samsung/include/plat/dma-s3c24xx.h | 2 +-
arch/arm/plat-samsung/include/plat/dma.h | 9 +++------
arch/arm/plat-samsung/s3c-dma-ops.c | 5 +----
drivers/mmc/host/s3cmci.c | 6 +++---
9 files changed, 22 insertions(+), 28 deletions(-)
diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h
index 4e485ba..ae8e482 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 7abecfc..b4fc3ba 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 204bfaf..67c97fa 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 74fdf25..fe1a98c 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 539bd0e..53754bc 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 336d5ac..1982829 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 3610760..b906112 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 33ab324..582333c 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);
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index a04f87d..03cfdab 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -913,9 +913,9 @@ request_done:
}
static void s3cmci_dma_setup(struct s3cmci_host *host,
- enum s3c2410_dmasrc source)
+ enum dma_data_direction source)
{
- static enum s3c2410_dmasrc last_source = -1;
+ static enum dma_data_direction last_source = -1;
static int setup_ok;
if (last_source == source)
@@ -1087,7 +1087,7 @@ static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data)
BUG_ON((data->flags & BOTH_DIR) == BOTH_DIR);
- s3cmci_dma_setup(host, rw ? S3C2410_DMASRC_MEM : S3C2410_DMASRC_HW);
+ s3cmci_dma_setup(host, rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_FLUSH);
dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
--
1.7.1
More information about the linux-arm-kernel
mailing list