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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>
This commit is contained in:
Boojin Kim 2011-09-02 09:44:44 +09:00 committed by Vinod Koul
parent 344b4c4888
commit 51ddf31da1
9 changed files with 22 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-s3c2410/include/mach/dma.h
View File

@ -174,7 +174,7 @@ struct s3c2410_dma_chan {
struct s3c2410_dma_client *client; struct s3c2410_dma_client *client;
/* channel configuration */ /* channel configuration */
enum s3c2410_dmasrc source; enum dma_data_direction source;
enum dma_ch req_ch; enum dma_ch req_ch;
unsigned long dev_addr; unsigned long dev_addr;
unsigned long load_timeout; unsigned long load_timeout;

4
arch/arm/mach-s3c2412/dma.c
View File

@ -148,11 +148,11 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan, static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan,
struct s3c24xx_dma_map *map, struct s3c24xx_dma_map *map,
enum s3c2410_dmasrc dir) enum dma_data_direction dir)
{ {
unsigned long chsel; unsigned long chsel;
if (dir == S3C2410_DMASRC_HW) if (dir == DMA_FROM_DEVICE)
chsel = map->channels_rx[0]; chsel = map->channels_rx[0];
else else
chsel = map->channels[0]; chsel = map->channels[0];

10
arch/arm/mach-s3c64xx/dma.c
View File

@ -147,14 +147,14 @@ static void s3c64xx_dma_fill_lli(struct s3c2410_dma_chan *chan,
u32 control0, control1; u32 control0, control1;
switch (chan->source) { switch (chan->source) {
case S3C2410_DMASRC_HW: case DMA_FROM_DEVICE:
src = chan->dev_addr; src = chan->dev_addr;
dst = data; dst = data;
control0 = PL080_CONTROL_SRC_AHB2; control0 = PL080_CONTROL_SRC_AHB2;
control0 |= PL080_CONTROL_DST_INCR; control0 |= PL080_CONTROL_DST_INCR;
break; break;
case S3C2410_DMASRC_MEM: case DMA_TO_DEVICE:
src = data; src = data;
dst = chan->dev_addr; dst = chan->dev_addr;
control0 = PL080_CONTROL_DST_AHB2; control0 = PL080_CONTROL_DST_AHB2;
@ -416,7 +416,7 @@ EXPORT_SYMBOL(s3c2410_dma_enqueue);
int s3c2410_dma_devconfig(enum dma_ch channel, int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source, enum dma_data_direction source,
unsigned long devaddr) unsigned long devaddr)
{ {
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); 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); pr_debug("%s: peripheral %d\n", __func__, peripheral);
switch (source) { switch (source) {
case S3C2410_DMASRC_HW: case DMA_FROM_DEVICE:
config = 2 << PL080_CONFIG_FLOW_CONTROL_SHIFT; config = 2 << PL080_CONFIG_FLOW_CONTROL_SHIFT;
config |= peripheral << PL080_CONFIG_SRC_SEL_SHIFT; config |= peripheral << PL080_CONFIG_SRC_SEL_SHIFT;
break; break;
case S3C2410_DMASRC_MEM: case DMA_TO_DEVICE:
config = 1 << PL080_CONFIG_FLOW_CONTROL_SHIFT; config = 1 << PL080_CONFIG_FLOW_CONTROL_SHIFT;
config |= peripheral << PL080_CONFIG_DST_SEL_SHIFT; config |= peripheral << PL080_CONFIG_DST_SEL_SHIFT;
break; break;

2
arch/arm/mach-s3c64xx/include/mach/dma.h
View File

@ -99,7 +99,7 @@ struct s3c2410_dma_chan {
unsigned char peripheral; unsigned char peripheral;
unsigned int flags; unsigned int flags;
enum s3c2410_dmasrc source; enum dma_data_direction source;
dma_addr_t dev_addr; dma_addr_t dev_addr;

10
arch/arm/plat-s3c24xx/dma.c
View File

@ -1094,14 +1094,14 @@ EXPORT_SYMBOL(s3c2410_dma_config);
* *
* configure the dma source/destination hardware type and address * configure the dma source/destination hardware type and address
* *
* source: S3C2410_DMASRC_HW: source is hardware * source: DMA_FROM_DEVICE: source is hardware
* S3C2410_DMASRC_MEM: source is memory * DMA_TO_DEVICE: source is memory
* *
* devaddr: physical address of the source * devaddr: physical address of the source
*/ */
int s3c2410_dma_devconfig(enum dma_ch channel, int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source, enum dma_data_direction source,
unsigned long devaddr) unsigned long devaddr)
{ {
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); 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; hwcfg |= S3C2410_DISRCC_INC;
switch (source) { switch (source) {
case S3C2410_DMASRC_HW: case DMA_FROM_DEVICE:
/* source is hardware */ /* source is hardware */
pr_debug("%s: hw source, devaddr=%08lx, hwcfg=%d\n", pr_debug("%s: hw source, devaddr=%08lx, hwcfg=%d\n",
__func__, devaddr, hwcfg); __func__, devaddr, hwcfg);
@ -1142,7 +1142,7 @@ int s3c2410_dma_devconfig(enum dma_ch channel,
chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DIDST); chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DIDST);
break; break;
case S3C2410_DMASRC_MEM: case DMA_TO_DEVICE:
/* source is memory */ /* source is memory */
pr_debug("%s: mem source, devaddr=%08lx, hwcfg=%d\n", pr_debug("%s: mem source, devaddr=%08lx, hwcfg=%d\n",
__func__, devaddr, hwcfg); __func__, devaddr, hwcfg);

2
arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
View File

@ -47,7 +47,7 @@ struct s3c24xx_dma_selection {
void (*direction)(struct s3c2410_dma_chan *chan, void (*direction)(struct s3c2410_dma_chan *chan,
struct s3c24xx_dma_map *map, 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); extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel);

9
arch/arm/plat-samsung/include/plat/dma.h
View File

@ -10,17 +10,14 @@
* published by the Free Software Foundation. * published by the Free Software Foundation.
*/ */
#include <linux/dma-mapping.h>
enum s3c2410_dma_buffresult { enum s3c2410_dma_buffresult {
S3C2410_RES_OK, S3C2410_RES_OK,
S3C2410_RES_ERR, S3C2410_RES_ERR,
S3C2410_RES_ABORT S3C2410_RES_ABORT
}; };
enum s3c2410_dmasrc {
S3C2410_DMASRC_HW, /* source is memory */
S3C2410_DMASRC_MEM /* source is hardware */
};
/* enum s3c2410_chan_op /* enum s3c2410_chan_op
* *
* operation codes passed to the DMA code by the user, and also used * 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, 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 /* s3c2410_dma_getposition
* *

5
arch/arm/plat-samsung/s3c-dma-ops.c
View File

@ -48,10 +48,7 @@ static unsigned s3c_dma_request(enum dma_ch dma_ch,
data->ch = dma_ch; data->ch = dma_ch;
list_add_tail(&data->node, &dma_list); list_add_tail(&data->node, &dma_list);
if (info->direction == DMA_FROM_DEVICE) s3c2410_dma_devconfig(dma_ch, info->direction, info->fifo);
s3c2410_dma_devconfig(dma_ch, S3C2410_DMASRC_HW, info->fifo);
else
s3c2410_dma_devconfig(dma_ch, S3C2410_DMASRC_MEM, info->fifo);
if (info->cap == DMA_CYCLIC) if (info->cap == DMA_CYCLIC)
s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR); s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR);

6
drivers/mmc/host/s3cmci.c
View File

@ -913,9 +913,9 @@ request_done:
} }
static void s3cmci_dma_setup(struct s3cmci_host *host, 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; static int setup_ok;
if (last_source == source) 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); 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); s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_FLUSH);
dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,