From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C532EC43387 for ; Tue, 15 Jan 2019 17:33:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 957C020656 for ; Tue, 15 Jan 2019 17:33:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="wEBLWGzT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388366AbfAORdD (ORCPT ); Tue, 15 Jan 2019 12:33:03 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:35607 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726022AbfAORdD (ORCPT ); Tue, 15 Jan 2019 12:33:03 -0500 Received: by mail-pf1-f195.google.com with SMTP id z9so1644368pfi.2 for ; Tue, 15 Jan 2019 09:33:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=4U0OvVrkxFBjSA8W5Lm7VS40KUbUjrzMUZQnvA9o4pU=; b=wEBLWGzTNbnLT0SQ7XjOWnMPDC05vGd2UjO5hbTWczX2JqnycaJr3E3fby9boGD03w XZVOafE9R6nzFek66oe3FzBqsJbexwLYn54wZXtBViHA1LRKQUvkaAWP588kFIlj0VB8 yp2r9asYVbCYlLa/MMpjJjcVudk+HVk4YFs/U+7ASP3pUnLU+VqWAZRgxKwQgnO4aUy8 DPye/+VuPF4PgXiOuvLVxsGYcUt+DtGaRniJHChff8oSt/odNozH9TxF2rTKSiOMTpTJ Veqv7S0wYlFZ/gMvR8tLvbqnNoEoE8pM+To0zH5soTftlKn6O6/AJE9DbBS6gu/JaEG7 ivYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=4U0OvVrkxFBjSA8W5Lm7VS40KUbUjrzMUZQnvA9o4pU=; b=ACuH5T/APJrnfVF+y6kRddQTdlJoLGP8KQ1+pbtaidJARP7TJw/IR+sSOBff1AkoIp SmEIkbZtTe8Kqnq+CM0R/GJ08AO+SXokvvSqGAPWaOLf8coDo6v97JXoYmSidXdruNXw KXMln6fyAROQrR+Gl8DiqvTnnNL1ez3IHdxQkXSzKtf24+1ZY0Sof+yMQ51CeR9zZA2w nXYHL1803j9Nizq49Hsmo07XOyj3P7W4+Wt31AN62xc/mjaNEmjE84PUSEQA0PRHY78i cT3ite76mO+4BD4BuycuV03U3yWCclZpWHf1QovqbQF5xiEHi0dNMsRdpfKXM2s8zyKP yv7A== X-Gm-Message-State: AJcUukfJ2xL9AbQi3Pv/tpEdmypOiZw/1bydzczqy3Y+fg3Z7OS+9K1+ WsKt/ZDYevDxEsoMhf75ruSzWfheVao= X-Google-Smtp-Source: ALg8bN6/M5WBB7GNfbjGqgI0MPWGrQajvmlUJTF9TSvVrP8AubuQo8DgeGH/g/OOzA6lHafWFLD9Kg== X-Received: by 2002:a63:c42:: with SMTP id 2mr4795113pgm.372.1547573581531; Tue, 15 Jan 2019 09:33:01 -0800 (PST) Received: from localhost ([2601:602:9200:a1a5:5cbd:8bed:2b0a:a142]) by smtp.googlemail.com with ESMTPSA id w3sm4462914pge.8.2019.01.15.09.33.00 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 15 Jan 2019 09:33:00 -0800 (PST) From: Kevin Hilman To: Linus Walleij , "kernelci.org bot" , Neil Armstrong Cc: Mark Brown , Tomeu Vizoso , guillaume.tucker@collabora.com, Haojian Zhuang , "linux-kernel\@vger.kernel.org" , Philipp Zabel , Paul Parsons , Linux ARM Subject: Re: broonie-regulator/for-next boot bisection: v5.0-rc2-20-g61b67608c6b9 on meson-gxl-s905x-libretech-cc In-Reply-To: References: <5c3d0781.1c69fb81.8f009.0d7e@mx.google.com> Date: Tue, 15 Jan 2019 09:33:00 -0800 Message-ID: <7ha7k1ker7.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus Walleij writes: > Thanks for this pretty impressive automated report! > > Maybe it will be hard to ask a robot to test changes! :D > > On Mon, Jan 14, 2019 at 11:04 PM kernelci.org bot wrote: > >> Target: meson-gxl-s905x-libretech-cc > > I hope there is someone else with this board on CC since I don't > know how to ask the robot to test patches. > > The log from the robot isn't super helpful as it does not have > earlyprintk enabled and boot hangs before it gets to that (!) > so no console messages. > > So I suppose this is: > arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts > a pure device tree plattform which was added by Neil, so I hope > he can test patches. > > And that has only one GPIO regulator, this one: > > vcc_card: regulator-vcc-card { > compatible = "regulator-gpio"; > > regulator-name = "VCC_CARD"; > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <3300000>; > > gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>; > gpios-states = <0>; > > states = <3300000 0>, > <1800000 1>; > > regulator-settling-time-up-us = <200>; > regulator-settling-time-down-us = <50000>; > }; > > Meaning this is 3.3 V when that GPIO line is low, and 1.8V when that > line is high, correct? > > That controls the VCC. This surely wouldn't block the boot process. > So my code must be crashing completely. OK I will look closer at it > and try to create a mock system of some sort. Both Neil and I have access to this board, so we can test any fixes for you. Kevin