Re: ioread32 endianess.

From: Alexey Zaytsev
Date: Tue Feb 27 2007 - 07:31:39 EST


On 2/26/07, Kyle McMartin <kyle@xxxxxxxxxxx> wrote:
On Mon, Feb 26, 2007 at 06:36:05PM +0300, Alexey Zaytsev wrote:
> Hello.
>
> May I ask you, guys, if ioread32 and his friends should treat the data
> as host-endian or bus-endian? E.g, should the data read from PCI on a
> big-endian host be byte swapped or not?
>

It should be in bus-endian. This is why ioreadXbe() exist.

Than how should one write a portable endian-independent driver? Should
I wrap ioread32 with an le32_to_cpu?


Cheers,
Kyle

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