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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 AF2C3C04ABB for ; Tue, 11 Sep 2018 12:40:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B7AC20839 for ; Tue, 11 Sep 2018 12:40:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="Rb1XNfG8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B7AC20839 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727859AbeIKRjm (ORCPT ); Tue, 11 Sep 2018 13:39:42 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:34042 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727508AbeIKRjm (ORCPT ); Tue, 11 Sep 2018 13:39:42 -0400 Received: by mail-wm0-f68.google.com with SMTP id j25-v6so7717820wmc.1 for ; Tue, 11 Sep 2018 05:40:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=CPtzFACY4su4BfPig6c8W/3c4FETASJAdffNr4W/0oI=; b=Rb1XNfG81Bm5xsNkb6ZufAPXrewfxh52PUdcouWKGxnWiQm3/MIVGDuPYPRUZPCWTV 4AZt1d9HpG7/lgh22n6KCb+NK/n5QBj0Dxoq3ssTzHaR+sM1dLVqQ2k5K/o/fZyfGrAU zA+AjWuKJdUrzH1WYl7lUCBD0j0GBigLe/VbM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=CPtzFACY4su4BfPig6c8W/3c4FETASJAdffNr4W/0oI=; b=nvwQ5hDT9NMrTyYtBDxuO6s4/rRBlQloZXHdXBJ8B/nT7RNN7AczW711l127y7uxB0 RPiAkiK8L0ePsbPo0Qpkzw52jInkBukLqCIUZ5I/nIyKMebyPlbnmvJTy41hUvRLP89S mUXS/+DMIC5jQqfyHAqZJ2tVXCrLsJpMhsYvaJ/V5vICgrbR1rLd6tKzJg7EEsPwPHpO Tp39PVnktB3C5PA75oPPnQJOmxmSNO67a6+WhEdSuQxfk0K4h28/bIL83KZdciLP4L7S 28SiZMcxk59+VjGZ3USgwg3DOlhvssUaKg/noSG8uBm8zL+zSzVu5YSao4AkBb+TR3GU FMoQ== X-Gm-Message-State: APzg51C9RhbFcPDQTA5f5HWlWN96N8PcfuzncZmBl34BIY9nnt4rzTMO VYFnlWfL6S0v4qhYsud+YfhbjA== X-Google-Smtp-Source: ANB0VdY4jRuS4FFGjtlMth3mEQ/2DOWQPaBz5s9PaTlWCvMEkUoLfNtRJtd48EQnXYPyOuAFatbscQ== X-Received: by 2002:a1c:4904:: with SMTP id w4-v6mr1346603wma.0.1536669632280; Tue, 11 Sep 2018 05:40:32 -0700 (PDT) Received: from dell ([2.27.167.7]) by smtp.gmail.com with ESMTPSA id p89-v6sm30411133wrc.97.2018.09.11.05.40.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 11 Sep 2018 05:40:31 -0700 (PDT) Date: Tue, 11 Sep 2018 13:40:29 +0100 From: Lee Jones To: Matti Vaittinen Cc: robh+dt@kernel.org, mark.rutland@arm.com, lgirdwood@gmail.com, broonie@kernel.org, mazziesaccount@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, heikki.haikola@fi.rohmeurope.com, mikko.mutanen@fi.rohmeurope.com Subject: Re: [PATCH 1/8] regulator: bd71837: Disable voltage monitoring for LDO3/4 Message-ID: <20180911124029.GO4185@dell> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 29 Aug 2018, Matti Vaittinen wrote: > There is a HW quirk in BD71837. The shutdown sequence timings for > bucks/LDOs which are enabled via register interface are changed. > At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the > beginning of shut-down sequence. This causes LDO5/6 voltage > monitoring to detect under voltage and force PMIC to emergency > state instead of poweroff. Disable voltage monitoring for LDO5 and > LDO6 at probe to avoid this. > > Signed-off-by: Matti Vaittinen > --- > drivers/regulator/bd71837-regulator.c | 19 +++++++++++++++++++ > include/linux/mfd/rohm-bd718x7.h | 33 ++++++++++++++++++++++++++++++--- For my own reference: Acked-for-MFD-by: Lee Jones -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog