2.3.41

[Ralf Baechle <ralf@xxxxxxxxxxxxxx>]

Take a look at linux/Documentation/DMA-mapping.txt:

>                       Dynamic DMA mapping
>                       ===================
> 
>                David S. Miller <davem@xxxxxxxxxx>
>                Richard Henderson <rth@xxxxxxxxxx>
>                 Jakub Jelinek <jakub@xxxxxxxxxx>

This text documents an API which we now need to examine if suitable for
SNx.

Kanoj, re our phone discussion - it says:

> Drivers converted fully to this interface should not use virt_to_bus any
> longer, nor should they use bus_to_virt.

  Ralf