[PATCH 5/6] powerpc/fsl-pci: Add pci inbound/outbound PM support

[Kumar Gala]

On Jul 24, 2012, at 5:20 AM, Jia Hongtao wrote:

> Power supply for PCI inbound/outbound window registers is off when system
> go to deep-sleep state. We save the values of registers before suspend
> and restore to registers after resume.
> 
> Signed-off-by: Jiang Yutang <b14898 at freescale.com>
> Signed-off-by: Jia Hongtao <B38951 at freescale.com>
> Signed-off-by: Li Yang <leoli at freescale.com>
> ---
> arch/powerpc/include/asm/pci-bridge.h |    2 +-
> arch/powerpc/sysdev/fsl_pci.c         |  121 +++++++++++++++++++++++++++++++++
> 2 files changed, 122 insertions(+), 1 deletions(-)

Remind me why we need to save/restore PCI ATMUs, why not just re-parse the device tree to restore?

- k