Subject: Re: Linuxppc-embedded Digest, Vol 35, Issue 33

From: Scott Wood <[email-masked]>
Date: Mon, 16 Jul 2007 11:09:09 -0500

Siva Prasad wrote:
> It returns kernel virtual address. If you use this buffer space for DMA,
> please use appropriate flags. You may use __pa(address) or
> virt_to_phys() to convert virtual to physical.

No, you may not -- physical and DMA addresses are not always identical. 
  Use the DMA mapping API.

-Scott