[PATCH] fsldma: use PCI Read Multiple command
Timur Tabi
timur at freescale.com
Tue Apr 28 06:04:49 EST 2009
David Hawkins wrote:
> Can you give me an example of non-PCI memory that would be
> non-prefetchable that you'd like us to try? We can see if our
> host CPUs have an area like that ... we just need to know
> what device to look for first :)
Hmmmm.... I was going to say any SOC device in the IMMR, but I don't see
anything there that would constitute a memory buffer.
I test this change on an 8610 and DMA to a register I/O, where this bit
isn't even defined, and it made no difference. So I guess this change
is okay.
Acked-by: Timur Tabi <timur at freescale.com>
--
Timur Tabi
Linux kernel developer at Freescale
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