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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z9-20020a170903018900b0016ec8565734si2557429plg.24.2022.08.03.05.27.34; Wed, 03 Aug 2022 05:27:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=kliyjSF4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237926AbiHCM0Z (ORCPT + 99 others); Wed, 3 Aug 2022 08:26:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235102AbiHCM0I (ORCPT ); Wed, 3 Aug 2022 08:26:08 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CC3AFD1A; Wed, 3 Aug 2022 05:25:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 02371B8225F; Wed, 3 Aug 2022 12:25:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1894C433D6; Wed, 3 Aug 2022 12:25:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659529554; bh=IhsExMpYViOyK375aCLuejCYvDJYTp4oBJ9OAbzRAsI=; h=From:To:Cc:Subject:Date:From; b=kliyjSF4YACoxh020GGf/Wb/lu9jH14CG0P8iH3iWyJYxXbjjcoXy3z+PqSD+9VmU +xNjoJDKaq05wG1b+xv/IAYTDvKZAtMUgDlnh/e4r+ZA92ooNltbniQOe+N5sm4Fjx ifiucqpUjzmF7UXTVATqb8nni2+Sw1CEIT0/spg5SC7iWoR1nlBvEDlYLqHxrVhR9E rgZCWF3LcRha+DCIR4B9YmE6Cb0yU2xQKzxBS5UTBT9aMoG6Fd9c2HhseG07+9ZojU vJP3wR2OQjkabGTvIRLdIzNBBX3nLwn+pZDo2OSFbuxXD+cOoz3IM93U3aaaAO61p/ PjgJJlhMmH3Bw== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1oJDS1-00021a-GI; Wed, 03 Aug 2022 14:26:13 +0200 From: Johan Hovold To: Bjorn Andersson Cc: Andy Gross , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Manivannan Sadhasivam , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 0/3] arm64: dts: qcom: sc8280xp: disallow regulator mode switches Date: Wed, 3 Aug 2022 14:19:39 +0200 Message-Id: <20220803121942.30236-1-johan+linaro@kernel.org> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A recent change in a USB/DP PHY driver that started specifying regulator loads caused the regulators that were also shared with the PCIe and USB PHYs to be put in low-power mode, something which broke PCIe and USB on sa8295p-adp. As was discussed in the following thread: https://lore.kernel.org/all/YtkrDcjTGhpaU1e0@hovoldconsulting.com regulators should generally not be allowed to switch to low-power mode unless some of the consumers can actually support an idle mode. This series disables mode-switching for all regulators on sc8280xp-crd, sc8280xp-lenovo-thinkpad-x13s and sa8295p-adp except for the ones used by the UFS controllers which do support an idle mode. Johan Johan Hovold (3): arm64: dts: qcom: sc8280xp-crd: disallow regulator mode switches arm64: dts: qcom: sc8280xp-lenovo-thinkpad-x13s: disallow regulator mode switches arm64: dts: qcom: sa8295p-adp: disallow regulator mode switches arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 11 ----------- arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 9 --------- .../boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 10 ---------- 3 files changed, 30 deletions(-) -- 2.35.1