Re: [RFC] [PATCH] PowerPC: Add 64-bit phys addr support to 32-bit pci.

On Sep 18, 2007, at 10:01 AM, Valentine Barshak wrote:

Kumar Gala wrote:

quoted

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:

I can guess as to why, but its useful for the commit messages to be  
more descriptive so when some goes back a year from now they know why  
someone added this patch.

- k