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To: linuxppc-embedded@ozlabs.org
From: Florian Boelstler <euphoria@arcor.de>
Subject: Re: Undestanding ioread32() / readl() and friends
Date: Wed, 21 Feb 2007 15:33:32 +0100
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References: <erh4m0$n83$1@sea.gmane.org> <200702211056.28313.arnd@arndb.de>
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Hi,

Arnd Bergmann schrieb:
>> Is this a sort of general rule that ioread32() always returns 
>> little-endian values on all architectures?
> 
> the ioread family of functions is used for PCI devices, which
> are little-endian by definition.

OK, my knowledge about ioread32() was based on some explanations found 
in "Linux Device Drivers". IMHO they showed the ioread family of 
functions as a sort of general purpose functions for __iomem-alike 
resources.

Thanks, anyway.

   Florian