Re: iomapping a big endian area

From: James Bottomley
Date: Tue Apr 05 2005 - 09:07:55 EST


On Tue, 2005-04-05 at 08:21 +0100, Christoph Hellwig wrote:
> What I really don't like is that you still need ifdefs and wrappers to
> support BE and LE wired chips in the same driver. Shouldn't you set the
> BE or LE flag at iomap() time and always use the same accessors?

No, if you look how it works. On parisc, it can be either BE or LE
depending on the chip wiring. There would be a case for selecting BE or
LE by #define, but there's no case I know today where we have a driver
that would always be BE.

James


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