Re: [RFC] [PATCH] PowerPC: Add 64-bit phys addr support to 32-bit pci.
From: Valentine Barshak <hidden>
Date: 2007-09-18 15:02:33
Kumar Gala wrote:
On Sep 18, 2007, at 9:44 AM, Valentine Barshak wrote:quoted
Add 64-bit physical address support to PCI.Can you expand on your commit message. for example why do this? is it address a bug fix, etc..quoted
Signed-off-by: Valentine Barshak <redacted> --- arch/powerpc/kernel/iomap.c | 4 +-- arch/powerpc/kernel/pci_32.c | 56 +++++++++++++++++++++++++++++-------------- 2 files changed, 41 insertions(+), 19 deletions(-)- k
Currently 32-bit pci code doesn't support 64-bit physical addresses. We have to add 64-bit addr support in order to bring-up pci on PowerPC 440. Actually, this refers to the conversation started here: http://ozlabs.org/pipermail/linuxppc-dev/2007-September/042267.html Thanks, Valentine.