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Date: Mon, 29 Jan 2007 09:06:58 +0100
From: Sylvain Munaut <tnt@246tNt.com>
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To: Eric Nuckols <jrocnuck@hotmail.com>
Subject: Re: mem=XXXM  ioremap DMA
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Eric Nuckols wrote:
> in my driver, I'm calling
> my_virt_address =   ioremap( 0x1F800000, 0x800000  );
> my_bus_address = virt_to_bus( my_virt_address );
>
You can't use virt_to_bus on address returned by ioremap AFAIK.

I think you could do
my_bus_address = virt_to_bus(phys_to_virt(0x1f800000));

Altough it slightly misuse the functions ... but that should work.


        Sylvain