[PATCH] make dma_addr_t 64 bits

[Arnd Bergmann <arnd@arndb.de>]

sfr at canb.auug.org.au wrote:

>There has been a need expressed for dma_addr_t to be 64 bits on PPC64. 
>This patch does that.  I have built it for pSeries and iSeries and booted
>a virtual only iSeries partition.

I know that this patch breaks our new spidernet driver for the Cell Blade,
but it is trivially fixable (dma_addr_t was incorrectly used to describe
part of a HW structure, needs to be u32 instead). Maybe you should check
if other code is broken in a similar way.

      Arnd <><