Re: [PATCH -mm 2/3] unify dma_get_cache_alignment implementations

[David Miller]

From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Date: Thu,  8 Jul 2010 15:57:47 +0900

> dma_get_cache_alignment returns the minimum DMA
> alignment. Architectures defines it as ARCH_DMA_MINALIGN (formally
> ARCH_KMALLOC_MINALIGN). So we can unify dma_get_cache_alignment
> implementations.
> 
> Note that some architectures implement dma_get_cache_alignment
> wrongly. dma_get_cache_alignment() should return the minimum DMA
> alignment. So fully-coherent architectures should return 1. This patch
> also fixes this issue.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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