/*
- * linux/arch/arm/kernel/dma.c
+ * linux/arch/arm26/kernel/dma.c
*
* Copyright (C) 1995-2000 Russell King
* 2003 Ian Molton
#include <asm/dma.h>
-spinlock_t dma_spin_lock = SPIN_LOCK_UNLOCKED;
-
-#if MAX_DMA_CHANNELS > 0
+DEFINE_SPINLOCK(dma_spin_lock);
static dma_t dma_chan[MAX_DMA_CHANNELS];
arch_dma_init(dma_chan);
}
-#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);
-GLOBAL_ALIAS(init_dma, get_dma_residue);
-
-#endif
-
EXPORT_SYMBOL(request_dma);
EXPORT_SYMBOL(free_dma);
EXPORT_SYMBOL(enable_dma);