From patchwork Mon Jan 25 18:47:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 370765 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 D8040C43331 for ; Tue, 26 Jan 2021 21:28:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABD042053B for ; Tue, 26 Jan 2021 21:28:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727915AbhAZEr4 (ORCPT ); Mon, 25 Jan 2021 23:47:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730712AbhAYSsW (ORCPT ); Mon, 25 Jan 2021 13:48:22 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60161C06178A for ; Mon, 25 Jan 2021 10:47:40 -0800 (PST) Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1l46tm-0007Cg-AB; Mon, 25 Jan 2021 19:47:38 +0100 From: Lucas Stach To: Shawn Guo Cc: Fabio Estevam , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, patchwork-lst@pengutronix.de Subject: [PATCH 04/10] ARM: dts: imx6: RDU2: only trigger IRQ on falling edge ucs1002 ALERT pin Date: Mon, 25 Jan 2021 19:47:30 +0100 Message-Id: <20210125184736.1226435-4-l.stach@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210125184736.1226435-1-l.stach@pengutronix.de> References: <20210125184736.1226435-1-l.stach@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The ALERT signaling happens on the falling edge of the signal, as rising edge doesn't really have any notion, as it may happen much later (due to shared IRQ line) or too early if the chip resolves the fault itself. So only trigger the IRQ on the edge we are actually interested in. Signed-off-by: Lucas Stach --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index ba26e1b8c474..dcc97a84c88d 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -628,7 +628,7 @@ pinctrl-0 = <&pinctrl_ucs1002_pins>; reg = <0x32>; interrupts-extended = <&gpio5 2 IRQ_TYPE_EDGE_BOTH>, - <&gpio3 21 IRQ_TYPE_EDGE_BOTH>; + <&gpio3 21 IRQ_TYPE_EDGE_FALLING>; interrupt-names = "a_det", "alert"; };