From patchwork Thu May 20 09:20:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 445553 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=-19.1 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 3070EC433ED for ; Thu, 20 May 2021 10:26:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1414C61074 for ; Thu, 20 May 2021 10:26:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233298AbhETK15 (ORCPT ); Thu, 20 May 2021 06:27:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:55722 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236122AbhETKZ6 (ORCPT ); Thu, 20 May 2021 06:25:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BEDB961C1D; Thu, 20 May 2021 09:50:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621504202; bh=4AIor2tQy5aVxNbhSVcl1zbC+mRocMs1g+Y59Jdgcbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R1UmFpjvgXLVWwjyJz8K8f3VD/5ScDyaVUbxKZsvV7lkJSDLLTENJIuBPYn98yfSh ZzO0oxH3SxRLbFzXx24ATyZkZ+JXejwe6scPrrbXPtRzOHI8bS017w2IO0KkfYJnI3 +RTay1IMYWeu90QnGXDITAHg0pc26lAfuLyyAF6E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 4.14 139/323] ARM: dts: exynos: correct PMIC interrupt trigger level on Odroid X/U3 family Date: Thu, 20 May 2021 11:20:31 +0200 Message-Id: <20210520092124.870603960@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520092120.115153432@linuxfoundation.org> References: <20210520092120.115153432@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 0d516529bf54..8735c5428677 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -265,7 +265,7 @@ max77686: pmic@09 { 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>;