From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3580A2C0098 for ; Fri, 27 Jul 2012 23:24:29 +1000 (EST) Subject: Re: [PATCH 5/6] powerpc/fsl-pci: Add pci inbound/outbound PM support Mime-Version: 1.0 (Apple Message framework v1278) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: <1343125210-16720-5-git-send-email-B38951@freescale.com> Date: Fri, 27 Jul 2012 08:24:23 -0500 Message-Id: <946C76FC-1F2E-4F09-919F-D5769D29E1A4@kernel.crashing.org> References: <1343125210-16720-1-git-send-email-B38951@freescale.com> <1343125210-16720-5-git-send-email-B38951@freescale.com> To: Jia Hongtao Cc: B07421@freescale.com, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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. >=20 > Signed-off-by: Jiang Yutang > Signed-off-by: Jia Hongtao > Signed-off-by: Li Yang > --- > 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=