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=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 724A0C433E1 for ; Thu, 25 Mar 2021 14:04:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B67D61A2C for ; Thu, 25 Mar 2021 14:04:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231265AbhCYOEM (ORCPT ); Thu, 25 Mar 2021 10:04:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231331AbhCYOEA (ORCPT ); Thu, 25 Mar 2021 10:04:00 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45606C06174A; Thu, 25 Mar 2021 07:04:00 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id e18so2406084wrt.6; Thu, 25 Mar 2021 07:04:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=uTnBq9sGyIo2cbY0+SLvTj5ZFkFFmCzKEs2LWGjMdZI=; b=GqGnSY+XW2nUrP4ls8HUFNdZmPdMxmY1kab/DVNp5kHlPYTNdml4czVX2ZQqymOk+/ PP4Y46gEIxJM83OFPMocpUaOTN5Skgr6jo77ixuovJC0GSwZTkH5yLKN3O3XwvINC5dr 9ItxT8cfXkT27Bpdkvkh1dbKldfFTj8iKSiNwipZSLezZNd+TRvbtp27AQ41yNtoJ0M2 gMSPJ7JGZXyhfgHyGxMSt7PeiODy8DAfr+WoipUBqvBgFVZrXqHar60sv1Uffp8iRm7E QxqTU7AMaybqMyyzuWpYkfM3+YZstMF0vurO2b/yg09JZSbOsAOx889ejAPVDt8D7jPc BFRg== 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:in-reply-to:user-agent; bh=uTnBq9sGyIo2cbY0+SLvTj5ZFkFFmCzKEs2LWGjMdZI=; b=Rd1sExL1bxX20aM6tRYmZ1/Yel8h/HH+Sm4zIpD4EXU3fSz5EmjOzMkBkdI1P1BdcL 9GmKXyVY7b2hkTJztIS54tLNCKFcberU/4tJ8i+gTpNAKJ87ykdgo7xqSxEvBa9PQFUU fDAiK0GPJiFuMa3v8oSBLbGB8xRHGLEI1lsiKbxo5rN01txWjbIxbQQeuEmdmyRrzBR7 Hqg8E/MKrm3lQ05cjpUbLgbk0uXQbsw+Eof5yarZVD02qKqbYgG4S1PTAtNkMqTmrqCs yW+/AQoVx5aPTpryctTFnn3TuUIZMit95e6ldz35CicTXiqsR41Qeg2vHq4wWIz1cjbK yUsQ== X-Gm-Message-State: AOAM530J+Fs/zEbogdAHTOWiNG70rmrufoIIlq/v4vWFvOFgtXjZyfqb 5tpHe3A9A6M3XGstMXakfcU= X-Google-Smtp-Source: ABdhPJxFOKj4vwmPSkUbBDUnTQQj7wdsD9o0l603YN1f1uK+7k6axyL57tW+Nzv7UzecLKyaaPP71w== X-Received: by 2002:adf:83c2:: with SMTP id 60mr9103771wre.386.1616681038902; Thu, 25 Mar 2021 07:03:58 -0700 (PDT) Received: from localhost ([62.96.65.119]) by smtp.gmail.com with ESMTPSA id f16sm7565456wrt.21.2021.03.25.07.03.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Mar 2021 07:03:57 -0700 (PDT) Date: Thu, 25 Mar 2021 15:04:19 +0100 From: Thierry Reding To: Dmitry Osipenko Cc: Jonathan Hunter , Peter Geis , Matt Merhar , linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1] soc/tegra: regulators: Fix locking up when voltage-spread is out of range Message-ID: References: <20210302131800.14408-1-digetx@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ENw44E3fLRfQXp2K" Content-Disposition: inline In-Reply-To: <20210302131800.14408-1-digetx@gmail.com> User-Agent: Mutt/2.0.6 (98f8cb83) (2021-03-06) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ENw44E3fLRfQXp2K Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 02, 2021 at 04:18:00PM +0300, Dmitry Osipenko wrote: > Fix voltage coupler lockup which happens when voltage-spread is out > of range due to a bug in the code. The max-spread requirement shall be > accounted when CPU regulator doesn't have consumers. This problem is > observed on Tegra30 Ouya game console once system-wide DVFS is enabled > in a device-tree. >=20 > Fixes: 783807436f36 ("soc/tegra: regulators: Add regulators coupler for T= egra30") > Cc: stable@vger.kernel.org > Reported-by: Peter Geis > Tested-by: Peter Geis # Ouya T30 > Tested-by: Matt Merhar # Ouya T30 > Signed-off-by: Dmitry Osipenko > --- > drivers/soc/tegra/regulators-tegra30.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied, thanks. 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