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[AVR32] Implement dma_mapping_error() 

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

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
hifive-unleashed-5.1
Haavard Skinnemoen 2007-02-01 16:26:03 +01:00
parent 212868d387
commit 6eb484fe92
1 changed files with 8 additions and 0 deletions
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8
include/asm-avr32/dma-mapping.h
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@ -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