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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 8D43BC433EF for ; Wed, 15 Sep 2021 12:05:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 74A6461247 for ; Wed, 15 Sep 2021 12:05:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237638AbhIOMGr (ORCPT ); Wed, 15 Sep 2021 08:06:47 -0400 Received: from ssl.serverraum.org ([176.9.125.105]:42741 "EHLO ssl.serverraum.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232927AbhIOMGq (ORCPT ); Wed, 15 Sep 2021 08:06:46 -0400 Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 7C1FE221E6; Wed, 15 Sep 2021 14:05:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1631707526; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pFCyStnMLg1CQ4LTGy++Nyi1QegK1V+8EANs+VGCqsQ=; b=CqaMeETs/qEV8npZQhbXl9s3c0AHs/nZGqyE+qnN7kIvgasLzxo1gXIKfAceDkjNM1cOC9 Ky78TTYiHbQgojj5qdr5UhhDUOUmrJdsvWOT4Etlial2FMavbuX8L5XUZ6yfDUdP7RySkx SOO5+gNi0GrgRQKUZ/T6mxwF7sTFKkg= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 15 Sep 2021 14:05:26 +0200 From: Michael Walle To: Heiko Thiery Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Joakim Zhang , Shengjiu Wang , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Frieder Schrempf Subject: Re: [PATCH] arm64: dts: imx8mm-kontron-n801x-som: do not allow to switch off buck2 In-Reply-To: <20210915120325.20248-1-heiko.thiery@gmail.com> References: <20210915120325.20248-1-heiko.thiery@gmail.com> User-Agent: Roundcube Webmail/1.4.11 Message-ID: <7e7ee4244ababc0a46e0875222c7e37d@walle.cc> X-Sender: michael@walle.cc Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 2021-09-15 14:03, schrieb Heiko Thiery: > The buck2 output of the PMIC is the VDD core voltage of the cpu. > Switching off this will poweroff the CPU. Add the 'regulator-always-on' > property to avoid this. Mh, have this ever worked? Is there a commit which introduced a regression? -michael > Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and > baseboards") > Signed-off-by: Heiko Thiery 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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,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 A48DFC433F5 for ; Wed, 15 Sep 2021 12:06:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 70FD361155 for ; Wed, 15 Sep 2021 12:06:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 70FD361155 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=walle.cc Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=srjzq77hLfPKkA+4IlHrlYm7g6DpUNRfqvHYemhmQUs=; b=SgN8EiO9v6NPpMtxR5I+zg1OOo De4fC+cwCowagYYe0yeRiVj1sO/tsIknFzVTt9jTaa5A42XMA+xpdN3bTWgu1caX5VdinVyV9eE+f rqMZ/onWBxZBAh5rI20c1lQpTLtPKvYAzm92HMfZBhgrDVHM5vDuhd+xIBYFVzdGTrtF0p0RGtKid 9qcZjGe1YfEDaahuFEev4s1JLoqgsI/wcvPCEu3xZSAgorbFB1yTUPmHAsl0/Dl5Q5yntXVn/k3BN aqm2uuJlzLI2n4j/iYz2oZqCrwTXNZYQTDbnYYpvq0LDG/f1QciTtDbiqDc+8ppbEb5d/hlR8E98y p5dJ0fQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQTfT-008wcw-VL; Wed, 15 Sep 2021 12:05:36 +0000 Received: from ssl.serverraum.org ([2a01:4f8:151:8464::1:2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQTfP-008waO-Ik for linux-arm-kernel@lists.infradead.org; Wed, 15 Sep 2021 12:05:33 +0000 Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 7C1FE221E6; Wed, 15 Sep 2021 14:05:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1631707526; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pFCyStnMLg1CQ4LTGy++Nyi1QegK1V+8EANs+VGCqsQ=; b=CqaMeETs/qEV8npZQhbXl9s3c0AHs/nZGqyE+qnN7kIvgasLzxo1gXIKfAceDkjNM1cOC9 Ky78TTYiHbQgojj5qdr5UhhDUOUmrJdsvWOT4Etlial2FMavbuX8L5XUZ6yfDUdP7RySkx SOO5+gNi0GrgRQKUZ/T6mxwF7sTFKkg= MIME-Version: 1.0 Date: Wed, 15 Sep 2021 14:05:26 +0200 From: Michael Walle To: Heiko Thiery Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Joakim Zhang , Shengjiu Wang , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Frieder Schrempf Subject: Re: [PATCH] arm64: dts: imx8mm-kontron-n801x-som: do not allow to switch off buck2 In-Reply-To: <20210915120325.20248-1-heiko.thiery@gmail.com> References: <20210915120325.20248-1-heiko.thiery@gmail.com> User-Agent: Roundcube Webmail/1.4.11 Message-ID: <7e7ee4244ababc0a46e0875222c7e37d@walle.cc> X-Sender: michael@walle.cc X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210915_050531_866517_A0B8BDAA X-CRM114-Status: UNSURE ( 9.82 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am 2021-09-15 14:03, schrieb Heiko Thiery: > The buck2 output of the PMIC is the VDD core voltage of the cpu. > Switching off this will poweroff the CPU. Add the 'regulator-always-on' > property to avoid this. Mh, have this ever worked? Is there a commit which introduced a regression? -michael > Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and > baseboards") > Signed-off-by: Heiko Thiery _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel