[PATCH] MTD: atmel_nand: Add DMA support to access Nandflash
jacmet at sunsite.dk
Fri Jan 14 06:43:52 EST 2011
>>>>> "Hong" == Hong Xu <hong.xu at atmel.com> writes:
Hong> Some SAM9 chips have the ability to perform DMA between CPU and
Hong> SMC controller. This patch adds DMA support for SAM9RL, SAM9G45,
Hong> SSAM9G46,AM9M10, SAM9M11.
Hong> Signed-off-by: Hong Xu <hong.xu at atmel.com>
But mtd buffers are not guaranteed to be DMA safe (E.G. might come from
vmalloc), so you'll need to walk the page tables.
Bye, Peter Korsgaard
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