2 files changed, 80 insertions, 88 deletions

diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 25855452fe8c..cc92a7b2db88 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -60,7 +60,7 @@ static void __iomem *dma_base;
 static kmem_cache_t *dma_kmem;
 
 /* dma channel state information */
-s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS];
+struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS];
 
 /* debugging functions */
 
@@ -74,7 +74,7 @@ s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS];
 #define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg))
 #else
 static inline void
-dma_wrreg(s3c2410_dma_chan_t *chan, int reg, unsigned long val)
+dma_wrreg(struct s3c2410_dma_chan *chan, int reg, unsigned long val)
 {
         pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg);
         writel(val, dma_regaddr(chan, reg));
@@ -102,7 +102,7 @@ struct s3c2410_dma_regstate {
 */
 
 static void
-dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs)
+dmadbg_capture(struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs)
 {
         regs->dcsrc    = dma_rdreg(chan, S3C2410_DMA_DCSRC);
         regs->disrc    = dma_rdreg(chan, S3C2410_DMA_DISRC);
@@ -112,7 +112,7 @@ dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs)
 }
 
 static void
-dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
+dmadbg_dumpregs(const char *fname, int line, struct s3c2410_dma_chan *chan,
                  struct s3c2410_dma_regstate *regs)
 {
         printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n",
@@ -122,7 +122,7 @@ dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
 }
 
 static void
-dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
+dmadbg_showchan(const char *fname, int line, struct s3c2410_dma_chan *chan)
 {
         struct s3c2410_dma_regstate state;
 
@@ -136,7 +136,7 @@ dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
 }
 
 static void
-dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan)
+dmadbg_showregs(const char *fname, int line, struct s3c2410_dma_chan *chan)
 {
         struct s3c2410_dma_regstate state;
 
@@ -164,7 +164,7 @@ dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan)
 */
 
 static void
-s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val)
+s3c2410_dma_stats_timeout(struct s3c2410_dma_stats *stats, int val)
 {
         if (stats == NULL)
                 return;
@@ -183,7 +183,7 @@ s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val)
 */
 
 static int
-s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line)
+s3c2410_dma_waitforload(struct s3c2410_dma_chan *chan, int line)
 {
         int timeout = chan->load_timeout;
         int took;
@@ -230,8 +230,8 @@ s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line)
 */
 
 static inline int
-s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
-                       s3c2410_dma_buf_t *buf)
+s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan,
+                       struct s3c2410_dma_buf *buf)
 {
         unsigned long reload;
 
@@ -304,7 +304,7 @@ s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
 */
 
 static void
-s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op)
+s3c2410_dma_call_op(struct s3c2410_dma_chan *chan, enum s3c2410_chan_op op)
 {
         if (chan->op_fn != NULL) {
                 (chan->op_fn)(chan, op);
@@ -318,8 +318,8 @@ s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op)
 */
 
 static inline void
-s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf,
-                     s3c2410_dma_buffresult_t result)
+s3c2410_dma_buffdone(struct s3c2410_dma_chan *chan, struct s3c2410_dma_buf *buf,
+                     enum s3c2410_dma_buffresult result)
 {
         pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n",
                  chan->callback_fn, buf, buf->id, buf->size, result);
@@ -334,7 +334,7 @@ s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf,
  * start a dma channel going
 */
 
-static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
+static int s3c2410_dma_start(struct s3c2410_dma_chan *chan)
 {
         unsigned long tmp;
         unsigned long flags;
@@ -430,7 +430,7 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
 */
 
 static int
-s3c2410_dma_canload(s3c2410_dma_chan_t *chan)
+s3c2410_dma_canload(struct s3c2410_dma_chan *chan)
 {
         if (chan->load_state == S3C2410_DMALOAD_NONE ||
             chan->load_state == S3C2410_DMALOAD_1RUNNING)
@@ -460,8 +460,8 @@ s3c2410_dma_canload(s3c2410_dma_chan_t *chan)
 int s3c2410_dma_enqueue(unsigned int channel, void *id,
                         dma_addr_t data, int size)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
-        s3c2410_dma_buf_t *buf;
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_buf *buf;
         unsigned long flags;
 
         check_channel(channel);
@@ -540,7 +540,7 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id,
 EXPORT_SYMBOL(s3c2410_dma_enqueue);
 
 static inline void
-s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf)
+s3c2410_dma_freebuf(struct s3c2410_dma_buf *buf)
 {
         int magicok = (buf->magic == BUF_MAGIC);
 
@@ -560,7 +560,7 @@ s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf)
 */
 
 static inline void
-s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
+s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan)
 {
         pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n",
                  chan->number, chan->load_state);
@@ -601,8 +601,8 @@ s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
 static irqreturn_t
 s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
 {
-        s3c2410_dma_chan_t *chan = (s3c2410_dma_chan_t *)devpw;
-        s3c2410_dma_buf_t  *buf;
+        struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw;
+        struct s3c2410_dma_buf  *buf;
 
         buf = chan->curr;
 
@@ -731,10 +731,10 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
  * get control of an dma channel
 */
 
-int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
+int s3c2410_dma_request(unsigned int channel, struct s3c2410_dma_client *client,
                         void *dev)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
         unsigned long flags;
         int err;
 
@@ -807,9 +807,9 @@ EXPORT_SYMBOL(s3c2410_dma_request);
  * allowed to go through.
 */
 
-int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client)
+int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *client)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
         unsigned long flags;
 
         check_channel(channel);
@@ -846,7 +846,7 @@ int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client)
 
 EXPORT_SYMBOL(s3c2410_dma_free);
 
-static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
+static int s3c2410_dma_dostop(struct s3c2410_dma_chan *chan)
 {
         unsigned long tmp;
         unsigned long flags;
@@ -880,7 +880,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
         return 0;
 }
 
-void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan)
+void s3c2410_dma_waitforstop(struct s3c2410_dma_chan *chan)
 {
         unsigned long tmp;
         unsigned int timeout = 0x10000;
@@ -901,9 +901,9 @@ void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan)
  * stop the channel, and remove all current and pending transfers
 */
 
-static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
+static int s3c2410_dma_flush(struct s3c2410_dma_chan *chan)
 {
-        s3c2410_dma_buf_t *buf, *next;
+        struct s3c2410_dma_buf *buf, *next;
         unsigned long flags;
 
         pr_debug("%s: chan %p (%d)\n", __FUNCTION__, chan, chan->number);
@@ -958,7 +958,7 @@ static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
 }
 
 int
-s3c2410_dma_started(s3c2410_dma_chan_t *chan)
+s3c2410_dma_started(struct s3c2410_dma_chan *chan)
 {
         unsigned long flags;
 
@@ -995,9 +995,9 @@ s3c2410_dma_started(s3c2410_dma_chan_t *chan)
 }
 
 int
-s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op)
+s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         check_channel(channel);
 
@@ -1046,7 +1046,7 @@ int s3c2410_dma_config(dmach_t channel,
                        int xferunit,
                        int dcon)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n",
                  __FUNCTION__, channel, xferunit, dcon);
@@ -1086,7 +1086,7 @@ EXPORT_SYMBOL(s3c2410_dma_config);
 
 int s3c2410_dma_setflags(dmach_t channel, unsigned int flags)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         check_channel(channel);
 
@@ -1106,7 +1106,7 @@ EXPORT_SYMBOL(s3c2410_dma_setflags);
 
 int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         check_channel(channel);
 
@@ -1121,7 +1121,7 @@ EXPORT_SYMBOL(s3c2410_dma_set_opfn);
 
 int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         check_channel(channel);
 
@@ -1149,11 +1149,11 @@ EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
 */
 
 int s3c2410_dma_devconfig(int channel,
-                          s3c2410_dmasrc_t source,
+                          enum s3c2410_dmasrc source,
                           int hwcfg,
                           unsigned long devaddr)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         check_channel(channel);
 
@@ -1200,7 +1200,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
 
 int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst)
 {
-        s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+        struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
 
         check_channel(channel);
 
@@ -1222,7 +1222,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition);
 
 static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state)
 {
-        s3c2410_dma_chan_t *cp = container_of(dev, s3c2410_dma_chan_t, dev);
+        struct s3c2410_dma_chan *cp = container_of(dev, struct s3c2410_dma_chan, dev);
 
         printk(KERN_DEBUG "suspending dma channel %d\n", cp->number);
 
@@ -1262,7 +1262,7 @@ static struct sysdev_class dma_sysclass = {
 
 static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f)
 {
-        memset(p, 0, sizeof(s3c2410_dma_buf_t));
+        memset(p, 0, sizeof(struct s3c2410_dma_buf));
 }
 
 
@@ -1270,7 +1270,7 @@ static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f)
 
 static int __init s3c2410_init_dma(void)
 {
-        s3c2410_dma_chan_t *cp;
+        struct s3c2410_dma_chan *cp;
         int channel;
         int ret;
 
@@ -1288,7 +1288,7 @@ static int __init s3c2410_init_dma(void)
                 goto err;
         }
 
-        dma_kmem = kmem_cache_create("dma_desc", sizeof(s3c2410_dma_buf_t), 0,
+        dma_kmem = kmem_cache_create("dma_desc", sizeof(struct s3c2410_dma_buf), 0,
                                      SLAB_HWCACHE_ALIGN,
                                      s3c2410_dma_cache_ctor, NULL);
 
@@ -1301,7 +1301,7 @@ static int __init s3c2410_init_dma(void)
         for (channel = 0; channel < S3C2410_DMA_CHANNELS; channel++) {
                 cp = &s3c2410_chans[channel];
 
-                memset(cp, 0, sizeof(s3c2410_dma_chan_t));
+                memset(cp, 0, sizeof(struct s3c2410_dma_chan));
 
                 /* dma channel irqs are in order.. */
                 cp->number = channel;
diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index 7463fd5252ce..46e65409fcc5 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -35,14 +35,14 @@
 
 /* types */
 
-typedef enum {
+enum s3c2410_dma_state {
         S3C2410_DMA_IDLE,
         S3C2410_DMA_RUNNING,
         S3C2410_DMA_PAUSED
-} s3c2410_dma_state_t;
+};
 
 
-/* s3c2410_dma_loadst_t
+/* enum s3c2410_dma_loadst
  *
  * This represents the state of the DMA engine, wrt to the loaded / running
  * transfers. Since we don't have any way of knowing exactly the state of
@@ -70,34 +70,32 @@ typedef enum {
  * currently running.
 */
 
-typedef enum {
+enum s3c2410_dma_loadst {
         S3C2410_DMALOAD_NONE,
         S3C2410_DMALOAD_1LOADED,
         S3C2410_DMALOAD_1RUNNING,
         S3C2410_DMALOAD_1LOADED_1RUNNING,
-} s3c2410_dma_loadst_t;
+};
 
-typedef enum {
+enum s3c2410_dma_buffresult {
         S3C2410_RES_OK,
         S3C2410_RES_ERR,
         S3C2410_RES_ABORT
-} s3c2410_dma_buffresult_t;
-
+};
 
-typedef enum s3c2410_dmasrc_e s3c2410_dmasrc_t;
 
-enum s3c2410_dmasrc_e {
+enum s3c2410_dmasrc {
         S3C2410_DMASRC_HW,      /* source is memory */
         S3C2410_DMASRC_MEM      /* source is hardware */
 };
 
-/* enum s3c2410_chan_op_e
+/* enum s3c2410_chan_op
  *
  * operation codes passed to the DMA code by the user, and also used
  * to inform the current channel owner of any changes to the system state
 */
 
-enum s3c2410_chan_op_e {
+enum s3c2410_chan_op {
         S3C2410_DMAOP_START,
         S3C2410_DMAOP_STOP,
         S3C2410_DMAOP_PAUSE,
@@ -107,8 +105,6 @@ enum s3c2410_chan_op_e {
         S3C2410_DMAOP_STARTED,          /* indicate channel started */
 };
 
-typedef enum s3c2410_chan_op_e s3c2410_chan_op_t;
-
 /* flags */
 
 #define S3C2410_DMAF_SLOW         (1<<0)   /* slow, so don't worry about
@@ -117,22 +113,19 @@ typedef enum s3c2410_chan_op_e s3c2410_chan_op_t;
 
 /* dma buffer */
 
-typedef struct s3c2410_dma_buf_s s3c2410_dma_buf_t;
-
 struct s3c2410_dma_client {
         char                *name;
 };
 
-typedef struct s3c2410_dma_client s3c2410_dma_client_t;
-
 /* s3c2410_dma_buf_s
  *
  * internally used buffer structure to describe a queued or running
  * buffer.
 */
 
-struct s3c2410_dma_buf_s {
-        s3c2410_dma_buf_t   *next;
+struct s3c2410_dma_buf;
+struct s3c2410_dma_buf {
+        struct s3c2410_dma_buf   *next;
         int                  magic;        /* magic */
         int                  size;         /* buffer size in bytes */
         dma_addr_t           data;         /* start of DMA data */
@@ -142,20 +135,21 @@ struct s3c2410_dma_buf_s {
 
 /* [1] is this updated for both recv/send modes? */
 
-typedef struct s3c2410_dma_chan_s s3c2410_dma_chan_t;
+struct s3c2410_dma_chan;
 
 /* s3c2410_dma_cbfn_t
  *
  * buffer callback routine type
 */
 
-typedef void (*s3c2410_dma_cbfn_t)(s3c2410_dma_chan_t *, void *buf, int size,
-                                   s3c2410_dma_buffresult_t result);
+typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *,
+                                   void *buf, int size,
+                                   enum s3c2410_dma_buffresult result);
 
-typedef int  (*s3c2410_dma_opfn_t)(s3c2410_dma_chan_t *,
-                                   s3c2410_chan_op_t );
+typedef int  (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
+                                   enum s3c2410_chan_op );
 
-struct s3c2410_dma_stats_s {
+struct s3c2410_dma_stats {
         unsigned long          loads;
         unsigned long          timeout_longest;
         unsigned long          timeout_shortest;
@@ -163,14 +157,12 @@ struct s3c2410_dma_stats_s {
         unsigned long          timeout_failed;
 };
 
-typedef struct s3c2410_dma_stats_s s3c2410_dma_stats_t;
-
-/* struct s3c2410_dma_chan_s
+/* struct s3c2410_dma_chan
  *
  * full state information for each DMA channel
 */
 
-struct s3c2410_dma_chan_s {
+struct s3c2410_dma_chan {
         /* channel state flags and information */
         unsigned char          number;      /* number of this dma channel */
         unsigned char          in_use;      /* channel allocated */
@@ -180,12 +172,12 @@ struct s3c2410_dma_chan_s {
 
         /* channel state */
 
-        s3c2410_dma_state_t    state;
-        s3c2410_dma_loadst_t   load_state;
-        s3c2410_dma_client_t  *client;
+        enum s3c2410_dma_state    state;
+        enum s3c2410_dma_loadst   load_state;
+        struct s3c2410_dma_client  *client;
 
         /* channel configuration */
-        s3c2410_dmasrc_t       source;
+        enum s3c2410_dmasrc       source;
         unsigned long          dev_addr;
         unsigned long          load_timeout;
         unsigned int           flags;        /* channel flags */
@@ -201,20 +193,20 @@ struct s3c2410_dma_chan_s {
         s3c2410_dma_opfn_t     op_fn;        /* channel operation callback */
 
         /* stats gathering */
-        s3c2410_dma_stats_t   *stats;
-        s3c2410_dma_stats_t    stats_store;
+        struct s3c2410_dma_stats   *stats;
+        struct s3c2410_dma_stats    stats_store;
 
         /* buffer list and information */
-        s3c2410_dma_buf_t      *curr;        /* current dma buffer */
-        s3c2410_dma_buf_t      *next;        /* next buffer to load */
-        s3c2410_dma_buf_t      *end;         /* end of queue */
+        struct s3c2410_dma_buf      *curr;        /* current dma buffer */
+        struct s3c2410_dma_buf      *next;        /* next buffer to load */
+        struct s3c2410_dma_buf      *end;         /* end of queue */
 
         /* system device */
         struct sys_device       dev;
 };
 
 /* the currently allocated channel information */
-extern s3c2410_dma_chan_t s3c2410_chans[];
+extern struct s3c2410_dma_chan s3c2410_chans[];
 
 /* note, we don't really use dma_device_t at the moment */
 typedef unsigned long dma_device_t;
@@ -227,7 +219,7 @@ typedef unsigned long dma_device_t;
 */
 
 extern int s3c2410_dma_request(dmach_t channel,
-                               s3c2410_dma_client_t *, void *dev);
+                               struct s3c2410_dma_client *, void *dev);
 
 
 /* s3c2410_dma_ctrl
@@ -235,7 +227,7 @@ extern int s3c2410_dma_request(dmach_t channel,
  * change the state of the dma channel
 */
 
-extern int s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op);
+extern int s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op);
 
 /* s3c2410_dma_setflags
  *
@@ -250,7 +242,7 @@ extern int s3c2410_dma_setflags(dmach_t channel,
  * free the dma channel (will also abort any outstanding operations)
 */
 
-extern int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *);
+extern int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *);
 
 /* s3c2410_dma_enqueue
  *
@@ -274,7 +266,7 @@ extern int s3c2410_dma_config(dmach_t channel, int xferunit, int dcon);
  * configure the device we're talking to
 */
 
-extern int s3c2410_dma_devconfig(int channel, s3c2410_dmasrc_t source,
+extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source,
                                  int hwcfg, unsigned long devaddr);
 
 /* s3c2410_dma_getposition