Re: Linuxppc-embedded Digest, Vol 35, Issue 33
From: Scott Wood <hidden>
Date: 2007-07-16 16:09:18
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