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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 8802DC433E1 for ; Fri, 21 Aug 2020 17:11:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67FA92224D for ; Fri, 21 Aug 2020 17:11:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598029865; bh=WPVJkUnqdOJhBBCEX7NjVbD/xP4bi4rUr3f/zI+UTfk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UPrgv3FHWDGghRiXl8VL0K48pOt0hVD5U5nEq4lNDdKrsYU76Z9oe5dsZJUcaqKsu eCndn+FMH4ZVdQfIzjkpD+qK/be6IMBeiizaoNAwS5agtnQBHRcJcvmxCRpiILFetr tAiOvc++COp8mTeIWghhnH1LV2S+jpthkwZBP1tc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725873AbgHURKb (ORCPT ); Fri, 21 Aug 2020 13:10:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:49282 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728176AbgHUQRX (ORCPT ); Fri, 21 Aug 2020 12:17:23 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0C9D122B47; Fri, 21 Aug 2020 16:17:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026635; bh=WPVJkUnqdOJhBBCEX7NjVbD/xP4bi4rUr3f/zI+UTfk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z+VtiHfOR6qWFmqqb7TN7NoFF1qbuMF+gBpikqi6qphNAHWGCWU/lZtvUOtG8uvn7 e85ZOgKR9fPhWeoQVC2bKf/xhoRVItLoyeYFmOb7I2kbLlro+T+3Sk75DSu1IHU8i8 VlEznAZdKcgAswQeteZlL78QMi8k9AfRkftNQq3o= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Stephan Gerhold , Srinivas Kandagatla , Bjorn Andersson , Sasha Levin , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 09/48] arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep Date: Fri, 21 Aug 2020 12:16:25 -0400 Message-Id: <20200821161704.348164-9-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161704.348164-1-sashal@kernel.org> References: <20200821161704.348164-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Stephan Gerhold [ Upstream commit e2ee9edc282961783d519c760bbaa20fed4dec38 ] The original qcom kernel changed the PDM GPIOs to be pull-down during sleep at some point. Reportedly this was done because there was some "leakage at PDM outputs during sleep": https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=0f87e08c1cd3e6484a6f7fb3e74e37340bdcdee0 I cannot say how effective this is, but everything seems to work fine with this change so let's apply the same to mainline just to be sure. Cc: Srinivas Kandagatla Signed-off-by: Stephan Gerhold Link: https://lore.kernel.org/r/20200605185916.318494-3-stephan@gerhold.net Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/qcom/msm8916-pins.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi index 1235830ffd0b7..38c0d74767e3f 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi @@ -521,7 +521,7 @@ pinconf { pins = "gpio63", "gpio64", "gpio65", "gpio66", "gpio67", "gpio68"; drive-strength = <2>; - bias-disable; + bias-pull-down; }; }; }; -- 2.25.1