Re: AW: PowerPC PCI DMA issues (prefetch/coherency?)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2009-09-11 05:18:08
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.