Re: [PATCH] [MMC] Fix base address configuration in wbsd

From: Pierre Ossman
Date: Sun Aug 06 2006 - 19:17:33 EST


Alan Cox wrote:
> Ar Sul, 2006-08-06 am 23:52 +0200, ysgrifennodd Pierre Ossman:
>
>> Sorry, my intention wasn't to assert that it was only to be used on x86
>> but that the 16-bit assumption was safe.
>>
>
> Your ISA bus mappings on a non x86 processor are likely to be 32bit MMIO
> -> PIO windows in memory space.
>
>

Since we configure the device, the PIO address must not be subject to
translation. If it is, then we must know how the translation is done.

As this is a rather crappy chip which nobody in their right mind would
use, we'll cross that bridge when/if someone decides to use it in a
system that doesn't behave like x86.

Rgds
Pierre

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/