From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754180AbcCYSU0 (ORCPT ); Fri, 25 Mar 2016 14:20:26 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:39678 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753916AbcCYSUZ (ORCPT ); Fri, 25 Mar 2016 14:20:25 -0400 Date: Fri, 25 Mar 2016 18:20:17 +0000 From: Mark Brown To: Ivaylo Dimitrov Cc: Sebastian Reichel , tony@atomide.com, lgirdwood@gmail.com, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <20160325182017.GE5028@sirena.org.uk> References: <1458760956-29892-1-git-send-email-ivo.g.dimitrov.75@gmail.com> <20160325111757.GC2566@sirena.org.uk> <20160325150259.GA9372@earth> <20160325155419.GI2566@sirena.org.uk> <56F562B7.10107@gmail.com> <20160325161954.GA5028@sirena.org.uk> <56F56C4A.7070502@gmail.com> <20160325170558.GB5028@sirena.org.uk> <56F573E5.6030408@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="n+lFg1Zro7sl44OB" Content-Disposition: inline In-Reply-To: <56F573E5.6030408@gmail.com> X-Cookie: Are you sure the back door is locked? User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: 2a01:348:6:8808:fab::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH] regulator: twl: Enable regulators over the powerbus as well X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --n+lFg1Zro7sl44OB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Mar 25, 2016 at 07:22:45PM +0200, Ivaylo Dimitrov wrote: > On Nokia N900 regulators are left in the mode last set by the bootloader or > by the stock kernel, depends on whether it is power-on or reboot from stock > kernel to mainline. That leads to problem with devices connected to vmmc2 > regulator - when the device is rebooted from stock kernel vmmc2 is left in > "sleep" mode (REGULATOR_STATUS_STANDBY in terms of regulator framework) and > as noone in mainline kernel switches vmmc2 regulator to normal > (REGULATOR_STATUS_NORMAL) mode, devices supplied by it does not get enough > power to operate normally. Then there is a constraint that the regulators must be in normal mode and this needs to be expressed in the machine constraints. --n+lFg1Zro7sl44OB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJW9YFfAAoJECTWi3JdVIfQtrgH/2i5TsWf5g5EbTyupDsP8XYe svwh7I/sociQwnLdLRLsdHrFKm80D0zBGmidZSSJV9KNh72E4kspm8ucygrcdW9g l5ruJGzcDUgBZgrmWdKcK2cJndfW2CgvoBxMMqsov1cxpJ8yGK86eZz4uGapwG6L Yvc8kdJvIhrzbbgW33qfK4/Zt3M/nHc03DK+hNbRmp5IyuIPA/BFJyyrYJWdHtx7 1dmKPItNiBgkkc4TDM3hDvskejz0XKYe5xTCUi5+g3kwtZK9t4PvA6CihtvAgdlq iu+BNZGs1a/bfQuARSDBdN+z5+l/RlSfXiVK4RIrJ+J6A9x7ZRcp0+2ChAVQyRk= =Qb48 -----END PGP SIGNATURE----- --n+lFg1Zro7sl44OB--