On Wed, Jun 03, 2009 at 02:45:37PM +0100, Catalin Marinas wrote:
>On Wed, 2009-06-03 at 09:18 -0400, Josh Boyer wrote:
>> On Wed, Jun 03, 2009 at 02:04:46PM +0100, Catalin Marinas wrote:
>> > * Mixed endianness devices in the same system - this may only need
>> > dedicated readl_be/writel_be etc. macros but it could also be
>> > done by having bus-aware readl/writel-like macros
>>
>> ioread/iowrite{8,16,32} and ioread/iowrite{8,16,32}_be don't suffice here?
>
>Yes, but there there are many drivers that only use readl/writel (and
>arch/arm makes the assumption, maybe correctly, that this is little
>endian only).
readl/writel are little-endian only.
>I think that's useful even if the outcome of such discussion is better
>documentation on the above functions/macros (grepping Documentation/
>doesn't show any reference).
I think we could perhaps start with just writting some of that documentation
and trying to get it into the kernel. I'm not sure this specific item is
really worth of a KS topic.
josh
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