dma-mapping: parisc: set ARCH_DMA_MINALIGN
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Wed, 11 Aug 2010 01:03:23 +0000 (18:03 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Aug 2010 15:59:21 +0000 (08:59 -0700)
commit7896bfa451b209f73bc8ec14721dcc2c5329a0a9
treec69a6b86bb74b697a9c8386d5f4d4091fc6242cf
parent4565f0170dfc849b3629c27d769db800467baa62
dma-mapping: parisc: set ARCH_DMA_MINALIGN

Architectures that handle DMA-non-coherent memory need to set
ARCH_DMA_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the
buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/parisc/include/asm/cache.h