From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH V2 0/3] regulator: dt: add policy to match regulator with prop "regulator-compatible" Date: Wed, 20 Jun 2012 11:00:58 +0100 Message-ID: <20120620100058.GD3978@opensource.wolfsonmicro.com> References: <1340116099-17629-1-git-send-email-ldewangan@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="8nsIa27JVQLqB7/C" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-doc-owner@vger.kernel.org To: Linus Walleij Cc: Laxman Dewangan , devicetree-discuss@lists.ozlabs.org, grant.likely@secretlab.ca, rob.herring@calxeda.com, arnd@arndb.de, lrg@ti.com, lee.jones@linaro.org, swarren@wwwdotorg.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org --8nsIa27JVQLqB7/C Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jun 20, 2012 at 10:59:32AM +0200, Linus Walleij wrote: > If I had today deployed the device trees generated prior to this patch, > and try to boot kernels after this patch with the same device tree, > would they still work as expected? > I don't know it it's an issue right now, but at some point we need to > realize that people will expect old device trees to work on newer > kernels. I don't think anyone's taking that idea terribly seriously right now for ARM, lots of the core SoC bindings are still in flux or not there. Even for PowerPC where this has apparently been achieved I've still had to push back on new mandatory properties being added :/ --8nsIa27JVQLqB7/C Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJP4Z9SAAoJEBus8iNuMP3d2zQP/AtTmTv5hFGdA7J6W6zduBe9 A80Z2vxlMn77rV+WMtY6UjD1LG03A49Q1xK60mzWUS6Y3FT/xA20zWsdRUFGnLTJ xTQv/RVN4KQ8xo0i9tRKxHqLcJMvVssXjC3CFtu1WqnGO50qkJ7qqQdT/hiNJ3wn T2HnShE6i4/L90/XRi/U9ZG3UkOsoxg/Itd5/4LzfpOWzprZcSbSwGHHe7qIAgsu deBwZySdozRQfFhpPn9PutP5U8Npkbly5QBt8oMSuZwzqnYoFp+W92ZjPogCc5OF MWoiUNPrt+n6P+utZnRQhkgE0XIcut9FGAQImYESX/ieBSZGQKHVL1/zX6ifHTFK 5SQSf5r3VyD+QzVfRrr0KbPKo0NksaqlLuHGQApIEcDoB/UWTq22iFZr6qB6WspN zjaDRDA4tWIjXPPMgpDE4N7tymoQRNtZM5Gdo4iJ/KfAReTV/iczQWBVzV5J/tl1 V1cu8/3Tapi2sCmiz0RGRxeWS4DJmNiu9hBP5b9lMTBiPp3W/ruTq8X9ZKT8ySiA 391qmVVikcEjAWf+L2MQFhM1g+DK3YJYVNKhdjGZud0Cq4rF/MG8lbHavtBPIdOX MkPZOb8+8PH8CamHm6/EQtc6rrcYx72DF+iBkLoKBJXBzUc1Mqlw+xaKBgdzdPqT X1eiMysIeEcUYqmbQ8E4 =WphM -----END PGP SIGNATURE----- --8nsIa27JVQLqB7/C--