From patchwork Wed May 12 14:43:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 438631 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT 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 0413DC43462 for ; Wed, 12 May 2021 15:20:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C479561C7C for ; Wed, 12 May 2021 15:20:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233549AbhELPU5 (ORCPT ); Wed, 12 May 2021 11:20:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:57412 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233387AbhELPSP (ORCPT ); Wed, 12 May 2021 11:18:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1A4EC61441; Wed, 12 May 2021 15:07:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620832047; bh=vdyCvzwvuKUn5goA2cWLmNUZcphbPCrywiX1n0qwvek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YjAUM92RUFr9o+WF97yA63MU5IFpmyAk3tY+9Q1D6xOqh7SvEXCbgr77nciHU4cMh oWiiKDmKLvCcR9IPnAvcuKTgAnayW2Xwpx5GuZLv+hk+P0dKnsBOSBFq09aZrQ/iIs ta5ShsLo//bVrmNNLpAqtRkJCGG3xFZ9ZK8uSnzk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.10 121/530] ARM: dts: exynos: correct PMIC interrupt trigger level on Odroid X/U3 family Date: Wed, 12 May 2021 16:43:51 +0200 Message-Id: <20210512144823.785482349@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144819.664462530@linuxfoundation.org> References: <20210512144819.664462530@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Krzysztof Kozlowski [ Upstream commit 6503c568e97a52f8b7a3109718db438e52e59485 ] The Maxim PMIC datasheets describe the interrupt line as active low with a requirement of acknowledge from the CPU. Without specifying the interrupt type in Devicetree, kernel might apply some fixed configuration, not necessarily working for this hardware. Additionally, the interrupt line is shared so using level sensitive interrupt is here especially important to avoid races. Fixes: eea6653aae7b ("ARM: dts: Enable PMIC interrupts for exynos4412-odroid-common") Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20201210212534.216197-6-krzk@kernel.org Signed-off-by: Sasha Levin --- arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index 2983e91bc7dd..869d80be1b36 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -279,7 +279,7 @@ max77686: pmic@9 { compatible = "maxim,max77686"; interrupt-parent = <&gpx3>; - interrupts = <2 IRQ_TYPE_NONE>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; pinctrl-0 = <&max77686_irq>; reg = <0x09>;