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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 S968346AbeCSRxC (ORCPT ); Mon, 19 Mar 2018 13:53:02 -0400 Received: from mail-co1nam03on0134.outbound.protection.outlook.com ([104.47.40.134]:7948 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965705AbeCSQEu (ORCPT ); Mon, 19 Mar 2018 12:04:50 -0400 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Geert Uytterhoeven , Simon Horman , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 226/281] ARM: dts: armadillo800eva: Split LCD mux and gpio Thread-Topic: [PATCH AUTOSEL for 4.9 226/281] ARM: dts: armadillo800eva: Split LCD mux and gpio Thread-Index: AQHTv5upUnrHAVLnqkq5LThIKDx9tA== Date: Mon, 19 Mar 2018 16:02:21 +0000 Message-ID: <20180319155742.13731-226-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;DM5PR2101MB0885;7:Gt0hnBpFn/NeqdtJHv6TqxTw1C4KzOQN1hzPKat2tD8tW+LB63tkT45/RQR/zMNdoKiC2HZakYOes+HV/LGqbF6kH1E6+0F2i05/r2C16w3s+xfHJxrMwa4y7du+8GqIc+TJOUNAWPtTbUHjjFah0UV9tfeUMeoMRrWz4IaB9108rm8TNy/sycFR+TucTLcfi+l0MdEIGXIuwh5uoUMkQrOfyPVYBPIiRPEarTirbZ83yEN9cktYjmYolbMAMQaq;20:FJrWhbjSc4GDYC6UaMBEZyStSGykMbETZS5ADgR/7PLaxfzLUrEi1IefA7p6XysxscBq8rcxADiktjodaiw5NxssPuZnSi5+TlaMmTuvg4Fze7/uZeQoGDMMVnddU7CSiy51AxZQCi3vEWc9Y0n4VaN/3dIWiaSwFlz4aOiVHyw= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 0888bed2-ab93-4536-3df7-08d58db3243b x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0885; 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x-microsoft-antispam-message-info: ruLD82IVfgGv2ub7hUGicJ2415C4WFQcBELOXiCdrfn4uNv1RQoDJvpPD18tYu+Dadt1gRhwp2ST4BEQvTOJX/lIF3KqL4wxrzxjZ+PC81rzZdEus2JIpcNK+KuryMXjVRWe4CbweKCaEbuX5f/EWUKeajyb9tdGrKdrPBgUIXk3p6xQ3+3MB4yE9MOeoBBS2CLqoXtTBC62aBjpDiPNJt6vvXPo5er4M8kEIhH4hFKSk7btGGZWaJiF+YMpWkcV1yeo7fNwPQGE8mqvv9e6IBNL6vjfsVou+6ExnUtMNkZ8s20K/tpjR4yr5XgObymCRVhTSiQxybatKT0S0jHJ2w== 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: 0888bed2-ab93-4536-3df7-08d58db3243b X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 16:02:21.6953 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0885 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: Geert Uytterhoeven [ Upstream commit 13132b3f44d3600983aceb7e9920b8ebb55a7cf8 ] Configuration of the lcd0 pinmux group and GPIO hog for the external GPIO mux are done using a single device node, causing the "output-high" property to be applied to both. This will fail for the pinmux group, but doesn't cause any harm, as the failure is ignored silently. However, after "pinctrl: sh-pfc: propagate errors on group config", the failure will become fatal, leading to a broken display: sh-pfc e6050000.pin-controller: pin_config_group_set op failed for grou= p 102 sh-pfc e6050000.pin-controller: Error applying setting, reverse things = back sh-pfc e6050000.pin-controller: failed to select default state Move the GPIO hog to its own node to fix this. Fixes: ffd2f9a5afb730b9 ("ARM: shmobile: armadillo800eva dts: Add pinctrl a= nd gpio-hog for lcdc0") Signed-off-by: Geert Uytterhoeven Acked-by: Laurent Pinchart Signed-off-by: Simon Horman Signed-off-by: Sasha Levin --- arch/arm/boot/dts/r8a7740-armadillo800eva.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva.dts b/arch/arm/boot/= dts/r8a7740-armadillo800eva.dts index 7885075428bb..1788e186a512 100644 --- a/arch/arm/boot/dts/r8a7740-armadillo800eva.dts +++ b/arch/arm/boot/dts/r8a7740-armadillo800eva.dts @@ -266,7 +266,9 @@ lcd0_pins: lcd0 { groups =3D "lcd0_data24_0", "lcd0_lclk_1", "lcd0_sync"; function =3D "lcd0"; + }; =20 + lcd0_mux { /* DBGMD/LCDC0/FSIA MUX */ gpio-hog; gpios =3D <176 0>; --=20 2.14.1