From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753422AbeE3PCr (ORCPT ); Wed, 30 May 2018 11:02:47 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:35300 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751517AbeE3PCq (ORCPT ); Wed, 30 May 2018 11:02:46 -0400 Date: Wed, 30 May 2018 16:02:41 +0100 From: Mark Brown To: Doug Anderson Cc: David Collins , Liam Girdwood , Rob Herring , Mark Rutland , linux-arm-msm@vger.kernel.org, Linux ARM , devicetree@vger.kernel.org, LKML , Rajendra Nayak , Stephen Boyd Subject: Re: [PATCH v3 1/2] regulator: dt-bindings: add QCOM RPMh regulator bindings Message-ID: <20180530150241.GO6920@sirena.org.uk> References: <20180523082908.GB4828@sirena.org.uk> <20180523154057.GL4828@sirena.org.uk> <20180523155617.GN4828@sirena.org.uk> <20180530093701.GD6920@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Vy1A5eXR7jld12ZH" Content-Disposition: inline In-Reply-To: X-Cookie: Don't get mad, get interest. User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Vy1A5eXR7jld12ZH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, May 30, 2018 at 07:46:50AM -0700, Doug Anderson wrote: > On Wed, May 30, 2018 at 2:37 AM, Mark Brown wrote: > >> Linux vote for the lowest voltage it's comfortable with. Linux keeps > >> track of the true voltage that the driver wants and will always change > >> its vote back to that before enabling. Thus (assuming Linux is OK > >> with 1.2 V - 1.4 V for a rail): > > That's pretty much what it should do anyway with normally designed > > hardware. > I guess the question is: do we insist that the driver include this > workaround, or are we OK with letting the hardware behave as the > hardware does? What you're describing sounds like what we should be doing normally, if we're not doing that we should probably be fixing the core. --Vy1A5eXR7jld12ZH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlsOvRAACgkQJNaLcl1U h9AFtwf/cJZ2Tq/ONozyyV709R6zeUtnvfSRxunX/FBfzIs0TqHBMxO9PW2U7oZq GWJF1gQoB8MVcnaWSWzGLrNfGJqBlaWD0N/jG9MAOuBaCd+J5fXGvfsbEc9qNiZI HGz+eD/Qbzmplb3HAt3/ABvvzFTCuBLiqHKupY6/VjREAWujl09FEbFcoq5tiK2P Gd+hnY2HYBV7WcZYrFXXDXq/eWxZcGchq7Yv80ugxzbkSSFazRwkUaiL2Tf8dcfO OR6xYHMWiAfde/4bfzwM94XIFyesH8pryEsvh/kBkeZJiCtiWm097wngfgKuPBie Nq3FNfijxJIBKEAPb7rDZHDOr3Pzug== =f9IM -----END PGP SIGNATURE----- --Vy1A5eXR7jld12ZH--