Subject: Re: AW: PowerPC PCI DMA issues (prefetch/coherency?)

From: Benjamin Herrenschmidt <[email-masked]>
Date: Fri, 11 Sep 2009 15:17:50 +1000

On Fri, 2009-09-11 at 07:12 +0200, Stefan Roese wrote:
> 
> It's already there. See commit:
> 
> 5ce4b59653b2c2053cd9a011918ac1e4747f24cc
> 
> powerpc/4xx: Workaround for PPC440EPx/GRx PCI_28 Errata
> 
Ok, that's another way to do it. Will catch nasty drivers who
try to write directly rather than clear pci_cache_line_size I suppose...

Cheers,
Ben.