From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F215FA373F for ; Mon, 24 Oct 2022 18:51:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232370AbiJXSvv (ORCPT ); Mon, 24 Oct 2022 14:51:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232850AbiJXSvX (ORCPT ); Mon, 24 Oct 2022 14:51:23 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BA9B4622F for ; Mon, 24 Oct 2022 10:32:20 -0700 (PDT) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1omwXk-0002M7-F6; Mon, 24 Oct 2022 14:27:00 +0200 Received: from mfe by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1omwXj-0003kw-Pv; Mon, 24 Oct 2022 14:26:59 +0200 Date: Mon, 24 Oct 2022 14:26:59 +0200 From: Marco Felsch To: Heiko Thiery Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: Re: [PATCH v3] arm64: dts: imx8mq-kontron-pitx-imx8m: remove off-on-delay-us for regulator-usdhc2-vmmc Message-ID: <20221024122659.2krt2hh2sdvxuurn@pengutronix.de> References: <20221024115429.1343257-1-heiko.thiery@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221024115429.1343257-1-heiko.thiery@gmail.com> User-Agent: NeoMutt/20180716 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Heiko, On 22-10-24, Heiko Thiery wrote: > With that delay U-Boot is not able to store the environment variables in > the SD card. Since the delay is not required it can be remove. Now I'm curious, since this doesn't tell us the why, it just tell us about the end result. I'm asking because the NXP EVKs have an issue with the sd-card power line capacity and we need this delay to reach a level which is marked as low within the sd-spec. Regards, Marco > Fixes: 5dbadc848259 (arm64: dts: fsl: add support for Kontron pitx-imx8m board) > > Signed-off-by: Heiko Thiery > --- > v3: > - Improve commit message and explain why it is a fix (thanks to Fabio) > > v2: > - add Fixes tag > > arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts b/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts > index a91c136797f6..21442e04a632 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts > @@ -51,7 +51,6 @@ reg_usdhc2_vmmc: regulator-usdhc2-vmmc { > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>; > - off-on-delay-us = <20000>; > enable-active-high; > }; > }; > -- > 2.30.2 > >