Re: ioremap definition in generic io.h

Arnd Bergmann
2010-09-30T11:45:20Z

On Wednesday 29 September 2010, Jonas Bonn wrote:
> On another note, looking at the definitions of ioread32/iowrite32, they
> imply a little-endian bus. Some architectures (e.g. Microblaze) define
> these to use host-native byte ordering instead. Is there a correct
> way these functions should be defined?

ioread32/iowrite32 are accessor functions for PCI byte order which is
little endian. If microblaze does this differently, that is a microblaze
bug. Any code that needs big-endian I/O should use ioread32be/iowrite32be.

Arnd