On May 19, 2011, at 6:22 AM, Kushwaha Prabhakar-B32579 wrote: > Hi Kumar, > Please find my answer in-lined > >> -----Original Message----- >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> Sent: Thursday, May 19, 2011 12:00 PM >> To: Kushwaha Prabhakar-B32579 >> Cc: linuxppc-dev@lists.ozlabs.org; meet2pra...@gmail.com; Jiang Yutang- >> B14898 >> Subject: Re: [PATCH] powerpc/85xx: Save and restore pcie ATMU windows for >> PM >> >> >> 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 <b14...@freescale.com> >>> Signed-off-by: Prabhakar Kushwaha <prabha...@freescale.com> >>> --- >>> Based upon >>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git(b >>> ranch 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? > > This patch is independent of host or agent. It is for supporting D3 cold > state for P1022. > These functions are called during System level suspend and resume. > > --Prabhakar
I'm trying to figure out why this is limited to P1022. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
