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 90751ECAAD3 for ; Thu, 1 Sep 2022 18:45:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234553AbiIASpw (ORCPT ); Thu, 1 Sep 2022 14:45:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233729AbiIASp0 (ORCPT ); Thu, 1 Sep 2022 14:45:26 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F8A714019; Thu, 1 Sep 2022 11:44:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 20876B82793; Thu, 1 Sep 2022 18:44:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9DB16C433C1; Thu, 1 Sep 2022 18:44:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662057889; bh=s/op9FxbvGkr2I6H/gC1I7p8DUVgJEM5L483+D42ThM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rrR749S74PopAnNaIl3UW/gVusvXahy69L9YlvBrwa9bniUwUOjmOrXYEmE6THWjt 6yvBKINFol2Lq3pIfEOwKWMqO30c8RgV97y8ZpRTPVsdtcYfuXPsfNh1hpiiW2eJtm i2pk8gb3osKsuKC7eqxlsyWKsPblR1FloGxcMzJmQFk1cgTKRJ59VUT0rM27+TRpYL T+fqb2uxggsrTAkLJv59C0zOBNJAnfo/NHsXa9TYpGP3maP32SFfk+Imy30iLnZSxc lKqlHeczWoDerw2YcldhdoLdPHfXIOskL+jwjsW3SxV8BMEhrcQA8GJpFmCv0z4ppE KOsqIXGqeJXPQ== Date: Thu, 1 Sep 2022 19:44:43 +0100 From: Mark Brown To: Laurent Pinchart Cc: Max Krummenacher , Max Krummenacher , Fabio Estevam , Krzysztof Kozlowski , Marcel Ziswiler , NXP Linux Team , Pengutronix Kernel Team , Philippe Schenker , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Liam Girdwood Subject: Re: [PATCH] arm64: dts: imx8mp-verdin: board regulators: add always-on Message-ID: References: <20220901110422.1859621-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="DpOOspaFS25XZtxY" Content-Disposition: inline In-Reply-To: X-Cookie: This bag is recyclable. Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --DpOOspaFS25XZtxY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 01, 2022 at 09:29:13PM +0300, Laurent Pinchart wrote: > On Thu, Sep 01, 2022 at 01:04:22PM +0200, Max Krummenacher wrote: > > From: Max Krummenacher > > These regulators are switched on by HW during power up and can not > > be influenced by SW. > > Set the always-on property. >=20 > Is this needed ? When a fixed regulator has no control GPIO or clock, as > is the case here, I would expect the driver and/or regulator core to > understand that it's always on, as the alternative is always-off, which > is pointless :-) Mark, Liam, what do you think ? If there's no physical control setting always-on does nothing. --DpOOspaFS25XZtxY Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmMQ/ZoACgkQJNaLcl1U h9Ah7Af/eClop9S6c76OEyEBONEjDIhgOGDj3ZrMnv/zOT+QFavuVcsAQp3uWx9c sPQ7hXEh6etyMD6WxBO6JcEpOQr7zIZT5aOZELo9zw7wbsW9j/lRt427s/5xh3kM 4wkPYNeKzJKHeGQ6IplTC6M+U9avCVDudzPGJ0oymvFqHjyZpoYZZkYZ6lnpre7E xIVjs9/60+XQuGWILbnc0I82AWZMBPzmmfXj74I9mMa9lXHHoPo3+e19c61+O6+u SHIWv/wX6TSyfp1X78NdjfgFhMENwFC5U/FlNGVtfmNyQjrWp0wnA57JdNFzaQjX GmoNzkdXrb8g/YAbrGoScayspR83Jw== =F2cr -----END PGP SIGNATURE----- --DpOOspaFS25XZtxY--