lkml.org 
[lkml]   [2010]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH -mm 2/3] unify dma_get_cache_alignment implementations
From
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
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@lab.ntt.co.jp>

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


\
 
 \ /
  Last update: 2010-07-09 08:17    [W:0.041 / U:0.316 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site