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Tue, 26 Jun 2018 01:05:50 +0000 From: Anson Huang To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com Cc: Linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2] ARM: dts: imx6sll-evk: make pfuze100 sw4 always on Date: Tue, 26 Jun 2018 09:01:40 +0800 Message-Id: <1529974900-28865-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK0P153CA0019.APCP153.PROD.OUTLOOK.COM (2603:1096:203:18::31) To DB5PR04MB1318.eurprd04.prod.outlook.com (2a01:111:e400:51cb::12) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6e4a1b2b-b47a-4205-c05b-08d5db00f743 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(8989117)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600026)(711020)(48565401081)(2017052603328)(7153060)(7193020);SRVR:DB5PR04MB1318; 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This patch fixes Linux kernel boot up hang caused by commit (5fe156f regulator: pfuze100: add enable/disable for switch), because SW4 is turned off unexpectedly: [ 1.693613] cfg80211: failed to load regulatory.db [ 1.700063] SW4: disabling [ 1.703973] SWBST: disabling Signed-off-by: Anson Huang --- changes since V1: improve commit message by adding info of which commit introduces this issue. arch/arm/boot/dts/imx6sll-evk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6sll-evk.dts b/arch/arm/boot/dts/imx6sll-evk.dts index 4684ac4..2217c40 100644 --- a/arch/arm/boot/dts/imx6sll-evk.dts +++ b/arch/arm/boot/dts/imx6sll-evk.dts @@ -142,6 +142,7 @@ sw4_reg: sw4 { regulator-min-microvolt = <800000>; regulator-max-microvolt = <3300000>; + regulator-always-on; }; swbst_reg: swbst { -- 2.7.4