Re: [PATCH] drivers/block/xsysace - replacein(out)_8/in(out)_be16/in(out)_le16 with generic iowrite(read)8/16(be)

[Benjamin Herrenschmidt]

On Tue, 2013-02-05 at 16:12 +0100, Arnd Bergmann wrote:
> Ok. In this case, I would recommend making the default for this driver
> little-endian, and adding a quirk for broken hardware bridges like the
> one you cited to have a mixed-endian mode if configured so at compile
> time.
> 
> It seems that on all normal platforms, this device should behave as
> little-endian, while the Xilinx bridge can be either big-endian
> or little-endian, depending on whether it is used in 8-bit or 16-bit
> mode, so if we are using this, it cannot be known at compile time.

Why ? 8-bit devices shouldn't need anything special. 16-bit should be
wired properly to not need anything special either. Why would we bother
supporting a bad wiring ? Let them feel the pain, with luck it will
provide incentive for them to fix it.

Ben.


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