Re: mem=XXXM ioremap DMA

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