[alsa-devel] [PATCH 1/2] spi: Fix mapping from vmalloc-ed buffer to scatter list

Mark Brown broonie at kernel.org
Fri Nov 14 18:26:26 CET 2014


On Fri, Nov 14, 2014 at 05:11:33PM +0000, Charles Keepax wrote:

> Ah... ok I think I see the difference here. The MXS architecture
> has CONFIG_HIGHMEM=n whereas Arndale has CONFIG_HIGHMEM=y. So
> that means on MXS all the pages will always be in low mem so I
> think will always be mapped into the kernel logical address space
> hence no problems. Not sure if it would be worth updating the
> driver or not, what do you think?

This is a user configurable option, it's not something that depends on
the architecture (and in any case it's better not to leave people
wondering why things are different when they consider consolidation).
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