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 6C144C433DF for ; Fri, 21 Aug 2020 17:05:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3CB9E20656 for ; Fri, 21 Aug 2020 17:05:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598029526; bh=0NVxgNCyQiiFF5wY/glbJY2wvl60DzVHgwV9nJpo0Eg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=V6IpQ5S93G93kQvH2cdOeXmMaF9UxvrRkZx4zOMtJKMs3pM8kLnXleLIOlPsJwNXZ joojoTFVy6TfiOpQIPjP0nhb/sNWeSKSb3XpbDAvOc5DfpxwHQqBNa1CVFDN7VkOkT aSNX357JA2nUHXRvR1geQ0xifsGduEswwDdaaGMc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727903AbgHURFW (ORCPT ); Fri, 21 Aug 2020 13:05:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:50212 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727787AbgHUQSy (ORCPT ); Fri, 21 Aug 2020 12:18:54 -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 647E02063A; Fri, 21 Aug 2020 16:18:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026695; bh=0NVxgNCyQiiFF5wY/glbJY2wvl60DzVHgwV9nJpo0Eg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=noTGzewiPLN3NgvBi5b+e/3EhqGIRhnCaDRBu1DytnkOLw62xBRcbU3qNOySgPtQ8 i5Xfp2qw0cORNpOrq1343hhlDJNe8nqVlAMCzJKFzhb9PPwlmQYOy7dljGJOchES3K tY6Sos+EXrp6MzuBFUIeq+NImfU9NRU6cmVdkjJc= 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 4.19 06/38] arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep Date: Fri, 21 Aug 2020 12:17:35 -0400 Message-Id: <20200821161807.348600-6-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161807.348600-1-sashal@kernel.org> References: <20200821161807.348600-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 60d218c5275c1..6754817658fa4 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi @@ -529,7 +529,7 @@ pinconf { pins = "gpio63", "gpio64", "gpio65", "gpio66", "gpio67", "gpio68"; drive-strength = <2>; - bias-disable; + bias-pull-down; }; }; }; -- 2.25.1