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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 S965749AbeCSR3P (ORCPT ); Mon, 19 Mar 2018 13:29:15 -0400 Received: from mail-by2nam03on0137.outbound.protection.outlook.com ([104.47.42.137]:54368 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S966064AbeCSQHh (ORCPT ); Mon, 19 Mar 2018 12:07:37 -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 4.4 033/167] ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin Thread-Topic: [PATCH AUTOSEL for 4.4 033/167] ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin Thread-Index: AQHTv5wttCtRm6wq102WYAnuWyEKmQ== Date: Mon, 19 Mar 2018 16:06:02 +0000 Message-ID: <20180319160513.16384-33-alexander.levin@microsoft.com> References: <20180319160513.16384-1-alexander.levin@microsoft.com> In-Reply-To: <20180319160513.16384-1-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;DM5PR2101MB0920;7:GXdkYhWA5kEmaMCwOhTQOAraVME5IqK21fBDGirNP2zLENRfQP6KXI6rKJBvTcfekVX4ncbLU3PR3saL8N2ItrFv1nzBpjULxUJ4V68UXFXi7+Rb/AlS8gAicq+pYHX+8lCXMNB8CkzO0cphTtA8tUWFlk/VFA4MhudYkkKnFFkHUAvb8phcX+ZSCIcT8PgEd5g1x2sjT1wmzHEH90Zt+/FwBXEPamOa3/s6HuKAdDB1iV59XCbt39JAA3LqqRwd;20:9ofBQNI/XMFvEhE3DwmvEU+JEE2KiK/L4DgyN6GzHe211l6hGPazyixnSKuc/kTG8TXE+WDnUaX3Pd2WRQ5eXoQvw27Md5Ox3n6bI4S4Iv2I7Y777IPm2W+kGmE3refUHjkyE+a+sbdm62VHfZ0rbbQtNZRwe8TnVjRTspai0Sk= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 99ed238c-da59-4072-1efb-08d58db38779 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0920; 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x-microsoft-antispam-message-info: 2UY9hrmBD3aVgC7lb4vm+zm396rViFiLvnVeQqEw/MoiPMYX9wSJ4ERX/FtBpZ7184hJzyBJhauQeAXenVCt20WW7BxaHcd9x7Ldvn/38VUmjeNcqGmO6QsjXGm1TpXzxmiO7ZJl66sKcUzT03diQCo+PUYsavYDz9K8lGtzh91kJ7p255SJIxVhe82wIYdHkBTyRRyQjoSCQCPE3Dj4r25N2Z349JzmKnpYQi/urU58Oh6NYxpzmtYKL0DVq4JZ4KFLbo0+iLka513ztFdWfejCLRsqKtDVA6v9vy8f63/b4LlN358ZjWlTMxRsg7EMfPKlM7XJDooC0dt1lMHYRw== 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: 99ed238c-da59-4072-1efb-08d58db38779 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 16:06:02.6740 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0920 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