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[209.132.180.67]) by mx.google.com with ESMTP id e7si10609550pfh.147.2018.12.17.15.38.39; Mon, 17 Dec 2018 15:38:55 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b="cskX/z7A"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726360AbeLQXhp (ORCPT + 99 others); Mon, 17 Dec 2018 18:37:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:55034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726255AbeLQXhp (ORCPT ); Mon, 17 Dec 2018 18:37:45 -0500 Received: from localhost (unknown [104.132.0.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7192121473; Mon, 17 Dec 2018 23:37:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545089864; bh=gj2hFrDV8DBl78DLxZork6C8cH4ex1vTohsBODmQ0JU=; h=In-Reply-To:Subject:To:References:From:Cc:Date:From; b=cskX/z7A7WlSRutBJVE83hoZcdL6zoW4sd0uDAO0cXF7/AoEbRQrX8PAPCPBlSPVP 9hyiCSMnGQU64803+1H8yHZqRPK/cEpT5X6+K5eu1G4cciu5T96gzPIcdpwa1Gt04I Awzux9xrXIoDexxku2y0jq9ZfbHpctGznXzl3lrU= Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <1545039990-19984-6-git-send-email-jorge.ramirez-ortiz@linaro.org> Subject: Re: [PATCH 05/13] clk: qcom: apcs-msm8916: get parent clock names from DT To: andy.gross@linaro.org, david.brown@linaro.org, jassisinghbrar@gmail.com, jorge.ramirez-ortiz@linaro.org, mark.rutland@arm.com, mturquette@baylibre.com, robh+dt@kernel.org, will.deacon@arm.com References: <1545039990-19984-1-git-send-email-jorge.ramirez-ortiz@linaro.org> <1545039990-19984-6-git-send-email-jorge.ramirez-ortiz@linaro.org> Message-ID: <154508986359.19322.1555129141976726505@swboyd.mtv.corp.google.com> From: Stephen Boyd User-Agent: alot/0.8 Cc: bjorn.andersson@linaro.org, vkoul@kernel.org, niklas.cassel@linaro.org, sibis@codeaurora.org, georgi.djakov@linaro.org, arnd@arndb.de, horms+renesas@verge.net.au, heiko@sntech.de, enric.balletbo@collabora.com, jagan@amarulasolutions.com, olof@lixom.net, amit.kucheria@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Date: Mon, 17 Dec 2018 15:37:43 -0800 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Jorge Ramirez-Ortiz (2018-12-17 01:46:22) > Allow accessing the parent clock names required for the driver > operation by using the device tree node. >=20 > This permits extending the driver to other platforms without having to > modify its source code. >=20 > For backwards compatibility leave previous values as default. Why do we need to maintain backwards compatibility? Isn't is required that the nodes have clocks properties?