[ARM] Hide ISA DMA API when ISA_DMA_API is unset

When ISA_DMA_API is unset, we're not implementing the ISA DMA API,
so there's no point in publishing the prototypes via asm/dma.h, nor
including the machine dependent parts of that API.

This allows us to remove a lot of mach/dma.h files which don't contain
any useful code.  Unfortunately though, some platforms put their own
private non-ISA definitions into mach/dma.h, so we leave these behind
and fix the appropriate #include statments.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 8 insertions, 9 deletions

diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 1baf941d1930..63bb22b973e3 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -31,9 +31,8 @@
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <mach/hardware.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
 
-#include <asm/mach/dma.h>
 #include <mach/map.h>
 
 #include <plat/dma.h>
@@ -804,7 +803,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
  * allowed to go through.
 */
 
-int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 	unsigned long flags;
@@ -995,7 +994,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan)
 }
 
 int
-s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op)
+s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1043,7 +1042,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
  * dcon:         base value of the DCONx register
 */
 
-int s3c2410_dma_config(dmach_t channel,
+int s3c2410_dma_config(unsigned int channel,
 		       int xferunit,
 		       int dcon)
 {
@@ -1092,7 +1091,7 @@ int s3c2410_dma_config(dmach_t channel,
 
 EXPORT_SYMBOL(s3c2410_dma_config);
 
-int s3c2410_dma_setflags(dmach_t channel, unsigned int flags)
+int s3c2410_dma_setflags(unsigned int channel, unsigned int flags)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1113,7 +1112,7 @@ EXPORT_SYMBOL(s3c2410_dma_setflags);
  * irq?
 */
 
-int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
+int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1129,7 +1128,7 @@ int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
 
 EXPORT_SYMBOL(s3c2410_dma_set_opfn);
 
-int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn)
+int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1219,7 +1218,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
  * returns the current transfer points for the dma source and destination
 */
 
-int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst)
+int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst)
 {
  	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);