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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A354AC433F5 for ; Wed, 22 Dec 2021 10:47:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC5E210E1F0; Wed, 22 Dec 2021 10:47:42 +0000 (UTC) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC22110E1F0 for ; Wed, 22 Dec 2021 10:47:40 +0000 (UTC) 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 1mzz9n-0007EB-75; Wed, 22 Dec 2021 11:47:39 +0100 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mzz9k-0006mi-OM; Wed, 22 Dec 2021 11:47:36 +0100 Date: Wed, 22 Dec 2021 11:47:36 +0100 From: Sascha Hauer To: Rob Herring Subject: Re: [PATCH 08/22] dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name Message-ID: <20211222104736.GZ6003@pengutronix.de> References: <20211220110630.3521121-1-s.hauer@pengutronix.de> <20211220110630.3521121-9-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 11:46:19 up 11 days, 19:31, 44 users, load average: 1.31, 1.17, 1.11 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Benjamin Gaignard , Peter Geis , Sandy Huang , dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, Michael Riesch , kernel@pengutronix.de, Andy Yan , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, Dec 21, 2021 at 10:31:23AM -0400, Rob Herring wrote: > On Mon, Dec 20, 2021 at 12:06:16PM +0100, Sascha Hauer wrote: > > "vpll" is a misnomer. A clock input to a device should be named after > > the usage in the device, not after the clock that drives it. On the > > rk3568 the same clock is driven by the HPLL. > > To fix that, this patch renames the vpll clock to ref clock. > > The problem with this series is it breaks an old kernel with new dt. You > can partially mitigate that with stable kernel backport, but IMO keeping > the old name is not a burden to maintain. As suggested I only removed vpll from the binding document, but not from the code. The code still handles the old binding as well. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |