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x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934781AbeCSP7d (ORCPT ); Mon, 19 Mar 2018 11:59:33 -0400 Received: from mail-sn1nam02on0139.outbound.protection.outlook.com ([104.47.36.139]:23168 "EHLO NAM02-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965088AbeCSP7T (ORCPT ); Mon, 19 Mar 2018 11:59:19 -0400 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Fabio Estevam , Shawn Guo , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 045/281] ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin Thread-Topic: [PATCH AUTOSEL for 4.9 045/281] ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin Thread-Index: AQHTv5snfaLg+N78N0CiL40ABE4chQ== Date: Mon, 19 Mar 2018 15:58:43 +0000 Message-ID: <20180319155742.13731-45-alexander.levin@microsoft.com> References: <20180319155742.13731-1-alexander.levin@microsoft.com> In-Reply-To: <20180319155742.13731-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1015;7:BqQdwXY3+G1nwHUFEsFOif46AlRiGos0f9xe5j6Hf8WjI6ni9RN/AdqXNsaizW40P1nS0SdSlR/fku7asRYzXEK9najS6CEoU9kVse1u7GTEVEITH6sXJi1HMw2M1F2MepmwJL2G97CbbZnAS3Dj7+3vJ929QUmAZa1G65RRnfcdj4wJaxgJpmMosFs5XCdzxM6p86ppi7yCYXClxf9eRlyyr2/+FQ7SngzC/taiKEXnHfa2h562j74qV3eoAarG;20:F1OLWUV3F1F3gZxjiTsbekUqV3WPb0CWkQxyKqJYqsyvwnvak77tffcetUXBsoWVIhNkfXEuNtRRSuxXhrGe6zLyZFywun5UmZ65IAhk6OzGG+KzPoI4YEGJ7ID4UPpZv/jlsXZeXSLYoMncVuU+N1XabRZY5/wrspwydD7vvdU= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 33ec48db-636d-482a-2849-08d58db25caa x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB1015; 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x-microsoft-antispam-message-info: aD6Ni3snnaOfPZQqFaEIAb+ziHD+dYasU2pvv2fcEBiJmBZa1uxftIWL7+EpJXB46nUqz+cHw/92nemC2zqii9F+tU8DYhMw5Z8iwBMM4E3/PgujSoTfEpZvIsZ9t4h4l64V+FHho0B6aDG5/zZQ6n+Iln4mYmsMKt5gjqCLpglcovI8LMjY637QdY5NO36LuRHEHV1pE443b+AxIVD0I6eeGARylTVRttjCnRUzhl3bctZ0vLL6In5xutTfYvrofa1WxBOOiMCLeo3tbTTjRTqzMR9kBhvS3PiP+z4E4tAZU4pqnriQR50p2JpFb5c980O3tw+QguTPDW5VmkGB1Q== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 33ec48db-636d-482a-2849-08d58db25caa X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 15:58:43.5142 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1015 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Fabio Estevam [ Upstream commit 2fe4bff3516924a37e083e3211364abe59db1161 ] Currently the following errors are seen: [ 14.015056] mc13xxx 0-0008: Failed to read IRQ status: -6 [ 27.321093] mc13xxx 0-0008: Failed to read IRQ status: -6 [ 27.411681] mc13xxx 0-0008: Failed to read IRQ status: -6 [ 27.456281] mc13xxx 0-0008: Failed to read IRQ status: -6 [ 30.527106] mc13xxx 0-0008: Failed to read IRQ status: -6 [ 36.596900] mc13xxx 0-0008: Failed to read IRQ status: -6 Also when reading the interrupts via 'cat /proc/interrupts' the PMIC GPIO interrupt counter does not stop increasing. The reason for the storm of interrupts is that the PUS field of register IOMUXC_SW_PAD_CTL_PAD_CSI0_DAT5 is currently configured as: 10 : 100k pullup and the PMIC interrupt is being registered as IRQ_TYPE_LEVEL_HIGH type, which is the correct type as per the MC34708 datasheet. Use the default power on value for the IOMUX, which sets PUS field as: 00: 360k pull down This prevents the spurious PMIC interrupts from happening. Commit e1ffceb078c6 ("ARM: imx53: qsrb: fix PMIC interrupt level") correctly described the irq type as IRQ_TYPE_LEVEL_HIGH, but missed to update the IOMUX of the PMIC GPIO as pull down. Fixes: e1ffceb078c6 ("ARM: imx53: qsrb: fix PMIC interrupt level") Signed-off-by: Fabio Estevam Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx53-qsrb.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsr= b.dts index 96d7eede412e..036c9bd9bf75 100644 --- a/arch/arm/boot/dts/imx53-qsrb.dts +++ b/arch/arm/boot/dts/imx53-qsrb.dts @@ -23,7 +23,7 @@ imx53-qsrb { pinctrl_pmic: pmicgrp { fsl,pins =3D < - MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */ + MX53_PAD_CSI0_DAT5__GPIO5_23 0x1c4 /* IRQ */ >; }; }; --=20 2.14.1