From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anson Huang 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> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: devicetree@vger.kernel.org On i.MX6SLL EVK board, PFuze100's SW4 is supplying LPDDR3, it needs to be always on. 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