[ARM] Remove definition of MAX_DMA_CHANNELS to zero

Since we now only build arch/arm/kernel/dma.c on machine types
which set ISA_DMA_API, we don't need to define MAX_DMA_CHANNELS
to 0 to indicate this - this definition becomes superfluous.
Remove it.

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

1 files changed, 0 insertions, 28 deletions

diff --git a/arch/arm/kernel/dma.c b/arch/arm/kernel/dma.c
index 3b325ef55a28..62c8966a8b77 100644
--- a/arch/arm/kernel/dma.c
+++ b/arch/arm/kernel/dma.c
@@ -22,8 +22,6 @@
 
 DEFINE_SPINLOCK(dma_spin_lock);
 
-#if MAX_DMA_CHANNELS > 0
-
 static dma_t dma_chan[MAX_DMA_CHANNELS];
 
 /*
@@ -256,32 +254,6 @@ static int __init init_dma(void)
 
 core_initcall(init_dma);
 
-#else
-
-int request_dma(dmach_t channel, const char *device_id)
-{
-        return -EINVAL;
-}
-
-int get_dma_residue(dmach_t channel)
-{
-        return 0;
-}
-
-#define GLOBAL_ALIAS(_a,_b) asm (".set " #_a "," #_b "; .globl " #_a)
-GLOBAL_ALIAS(disable_dma, get_dma_residue);
-GLOBAL_ALIAS(enable_dma, get_dma_residue);
-GLOBAL_ALIAS(free_dma, get_dma_residue);
-GLOBAL_ALIAS(get_dma_list, get_dma_residue);
-GLOBAL_ALIAS(set_dma_mode, get_dma_residue);
-GLOBAL_ALIAS(set_dma_page, get_dma_residue);
-GLOBAL_ALIAS(set_dma_count, get_dma_residue);
-GLOBAL_ALIAS(__set_dma_addr, get_dma_residue);
-GLOBAL_ALIAS(set_dma_sg, get_dma_residue);
-GLOBAL_ALIAS(set_dma_speed, get_dma_residue);
-
-#endif
-
 EXPORT_SYMBOL(request_dma);
 EXPORT_SYMBOL(free_dma);
 EXPORT_SYMBOL(enable_dma);