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Commit 6eb484fe authored by Haavard Skinnemoen's avatar Haavard Skinnemoen
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[AVR32] Implement dma_mapping_error() 



dma_map_single() never fails, so dma_mapping_error() simply returns 0.

Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent 212868d3

include/asm-avr32/dma-mapping.h

+8 −0
Original line number Diff line number Diff line
@@ -32,6 +32,14 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask) 
	return 0;

}



/*

 * dma_map_single can't fail as it is implemented now.

 */

static inline int dma_mapping_error(dma_addr_t addr)

{

	return 0;

}



/**

 * dma_alloc_coherent - allocate consistent memory for DMA

 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices