Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932094AbbFSDVf (ORCPT ); Thu, 18 Jun 2015 23:21:35 -0400 Received: from mail-yk0-f169.google.com ([209.85.160.169]:32983 "EHLO mail-yk0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752606AbbFSDVY (ORCPT ); Thu, 18 Jun 2015 23:21:24 -0400 MIME-Version: 1.0 In-Reply-To: <1434672696-13632-1-git-send-email-computersforpeace@gmail.com> References: <1434672696-13632-1-git-send-email-computersforpeace@gmail.com> From: Gregory Fong Date: Thu, 18 Jun 2015 20:20:52 -0700 Message-ID: Subject: Re: [PATCH 0/7] soc: brcmstb: add system suspend support for STB SoCs To: Brian Norris Cc: Florian Fainelli , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , bcm-kernel-feedback-list Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2279 Lines: 58 On Thu, Jun 18, 2015 at 5:11 PM, Brian Norris wrote: > Hi, > > This patch set introduces system suspend/resume support for Broadcom STB SoCs. > There are two suspend modes (S2 and S3) as well as a related low-power shutdown > mode (S5). > > Along with the core PM support, include a driver for the wakeup-timer, which > allows for simple testing of suspend/resume wakeup cycles. > > Brian > > Brian Norris (7): > Documentation: dt: brcmstb: add system PM bindings > Documentation: dt: brcmstb: add waketimer documentation > soc: add stubs for brcmstb SoC's > soc: brcmstb: add PM suspend/resume support (S2/S3/S5) > soc: brcmstb: add wake-timer driver > ARM: brcmstb: mask GIC IRQs on suspend > ARM: dts: brcmstb: add BCM7445 system PM DT nodes > I tested this series two ways: with the device tree built into the bootloader (BOLT) on BCM7445 and by using arch/arm/boot/dts/bcm7445-bcm97445svmb.dtb With the device tree from BOLT, everything works fine. Tested the waketimer for S2, S3, and S5. With the device tree in arch/arm/boot/dts/bcm7445-bcm97445svmb.dts, S2 works, but S3 and S5 do not. It comes back up but doesn't reach the prompt: [ 6.050808] PM: suspend of devices complete after 1.425 msecs [ 6.051760] PM: late suspend of devices complete after 0.947 msecs [ 6.052535] PM: noirq suspend of devices complete after 0.770 msecs [ 6.052537] Disabling non-boot CPUs ... [ 6.053005] CPU1: shutdown [ 6.065914] CPU2: shutdown [ 6.080756] CPU3: shutdown [ 6.095214] Enabling non-boot CPUs ... [ 6.111496] CPU1 is up [ 6.126934] CPU2 is up [ 6.142511] CPU3 is up [ 6.145308] PM: noirq resume of devices complete after 2.772 msecs [ 6.148022] PM: early resume of devices complete after 2.626 msecs [ 6.151017] PM: resume of devices complete after 2.976 msecs [ 6.212771] Restarting tasks ... done. [[[ output stops here ]]] I suspect there might be an issue somewhere in [PATCH 7/7] ARM: dts: brcmstb: add BCM7445 system PM DT nodes. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/