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Blackfin: dma-mapping.h: flesh out missing DMA mapping functions

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Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Barry Song
2009-11-23 03:47:24 +00:00
committed by Mike Frysinger
parent a00b4fe5ce
commit dd3b0e3e6a
3 changed files with 117 additions and 65 deletions
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5
arch/blackfin/include/asm/dma.h
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@@ -13,8 +13,7 @@
#include <asm/atomic.h>
#include <asm/blackfin.h>
#include <asm/page.h>
#define MAX_DMA_ADDRESS PAGE_OFFSET
#include <asm-generic/dma.h>
/* DMA_CONFIG Masks */
#define DMAEN 0x0001 /* DMA Channel Enable */
@@ -257,8 +256,6 @@ static inline void enable_dma(unsigned int channel)
dma_ch[channel].regs->curr_y_count = 0;
dma_ch[channel].regs->cfg |= DMAEN;
}
void free_dma(unsigned int channel);
int request_dma(unsigned int channel, const char *device_id);
int set_dma_callback(unsigned int channel, irq_handler_t callback, void *data);
static inline void dma_disable_irq(unsigned int channel)