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

On Friday 11 September 2009 07:17:50 Benjamin Herrenschmidt wrote:

On Fri, 2009-09-11 at 07:12 +0200, Stefan Roese wrote:

quoted

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...

Correct. IIRC, some PATA driver as Pravin already mentioned.
 
Cheers,
Stefan