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 BB295C433E3 for ; Fri, 21 Aug 2020 16:46:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AFB420732 for ; Fri, 21 Aug 2020 16:46:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598028383; bh=/2qLc6JqZACE5iaGnaL1n1of4zIMi6pGTKpFUHPyJh4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HES1WGzuVfV4ZMQmtFtXPh8OBKOUj5zJwfXQME1NiA7E7yqDLZUauywQ+XANkfG89 o4HsZbYA01fwpjUnpT+uCbeI+mqS67tG19HEIQkNwLTZ3aku3Vg+AwUYs4aCu9xN2k 3OYGRAOK6emEp2GSP/E2VhzJURNBJZ7cMkgxUdvE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728273AbgHUQqQ (ORCPT ); Fri, 21 Aug 2020 12:46:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:50002 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728379AbgHUQUl (ORCPT ); Fri, 21 Aug 2020 12:20:41 -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 ECCF520578; Fri, 21 Aug 2020 16:19:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026782; bh=/2qLc6JqZACE5iaGnaL1n1of4zIMi6pGTKpFUHPyJh4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wrfu9ZaJ85BluxB1gyKVf+9nTfmwy4nFKKi/t9c1Xyvrc00g8lkj3c3SADs9qj3a6 QYcCFQDpRgpjez/FJUbnhVRi1rbrZ+Vb4cP7rVuzBhoK8AM30Xi8oXWymK2AhXOdZs Sp7eWUKVgnRCZGWCDJhxjLqJkvXwgHL8rOh8q2PU= 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 4.9 03/26] arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep Date: Fri, 21 Aug 2020 12:19:14 -0400 Message-Id: <20200821161938.349246-3-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161938.349246-1-sashal@kernel.org> References: <20200821161938.349246-1-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 10c83e11c272f..93856ac6f1d33 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi @@ -555,7 +555,7 @@ pinconf { pins = "gpio63", "gpio64", "gpio65", "gpio66", "gpio67", "gpio68"; drive-strength = <2>; - bias-disable; + bias-pull-down; }; }; }; -- 2.25.1