[PATCH] powerpc/85xx: Save and restore pcie ATMU windows for PM

[Kumar Gala]

On Apr 28, 2011, at 1:38 AM, Prabhakar Kushwaha wrote:

> D3-cold state indicates removal of the clock and power. however auxiliary (AUX)
> Power may remain available even after the main power rails are powered down.
> 
> wakeup from D3-cold state requires full context restore. Other things are taken
> care in pci-driver except ATMUs.
> ATMU windows needs to be saved and restored during suspend and resume.
> 
> Signed-off-by: Jiang Yutang <b14898 at freescale.com>
> Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
> ---
> Based upon git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git(branch master)
> 
> arch/powerpc/sysdev/fsl_pci.c |  116 +++++++++++++++++++++++++++++++++++++++++
> arch/powerpc/sysdev/fsl_pci.h |    7 ++-
> 2 files changed, 121 insertions(+), 2 deletions(-)

Is this patch for when we are a host or agent?

- k