RE: BCM91x80A/B PCI DMA problems

["Mark E Mason" <mark.e.mason@broadcom.com>]

Hello Alan,
 
> All drivers set a PCI DMA mask. If the kernel is not bouncing 
> buffers and ensuring the buffers are below the 32bit bus 
> address limit by default then the architecture kernel code 
> needs fixing. The drivers don't deal with this matter beyond 
> setting their PCI DMA range mask.

Thanks!

I'm not that familiar with all parts of the Linux kernel.  What should I
be looking for in order to find the relevant bits in the arch-port code?

Thanks,
Mark