From patchwork Thu Dec 22 11:48:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13079715 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA8A6C001B2 for ; Thu, 22 Dec 2022 11:55:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235565AbiLVLzn (ORCPT ); Thu, 22 Dec 2022 06:55:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235573AbiLVLyJ (ORCPT ); Thu, 22 Dec 2022 06:54:09 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43F1A2B614; Thu, 22 Dec 2022 03:49:29 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 477F26602CE1; Thu, 22 Dec 2022 11:49:27 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1671709768; bh=rF3hBLkOZsynEmNhOfEqoI9STJG9ZGoO3ta3ZVKp34k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TATSnZz70zQP9qm/YH5U9NVFhIomKt/gFFrwEoxIduf/pGcM+EWgiPgwsS+zbAaCa CXPLC4uhkaKQ3CDYg09FpaqjlvPFxPnK5gxKd083ZK6WDh0rW8C2sljQkQ/lkAZSkR WVfosgwvqbVYXy/WOfKYolB62x0EOfWOq1vjH7r9YWlx87Ox3HVnhIVkt5Sb1RpMcb Lu5noGZy2pt1weysQwuKx/avbtIsJYBXkJtw3eVuiQgWtgDrMkIOKyK0ICTt6sxjxZ tGYfRR9NCA3nKmRNHIdvnp+yMjPEJAdjKa1Frkr0tYI7xe7+BPbZSdZm0T27aeJJTD H15oRv5mNCWtA== From: AngeloGioacchino Del Regno To: mturquette@baylibre.com Cc: sboyd@kernel.org, matthias.bgg@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, angelogioacchino.delregno@collabora.com, wenst@chromium.org, johnson.wang@mediatek.com, miles.chen@mediatek.com, fparent@baylibre.com, chun-jie.chen@mediatek.com, sam.shih@mediatek.com, y.oudjana@protonmail.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, ryder.lee@kernel.org, daniel@makrotopia.org, jose.exposito89@gmail.com, yangyingliang@huawei.com, pablo.sun@mediatek.com, msp@baylibre.com, weiyi.lu@mediatek.com, ikjn@chromium.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, kernel@collabora.com Subject: [PATCH v1 08/25] dt-bindings: clock: mt8173: Add dummy clock ID Date: Thu, 22 Dec 2022 12:48:40 +0100 Message-Id: <20221222114857.120060-9-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221222114857.120060-1-angelogioacchino.delregno@collabora.com> References: <20221222114857.120060-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Some old MediaTek clock drivers are starting the clock count (so, the clock ID) from one instead of zero and this is logically incorrect, as we should start from 0. During a cleanup an issue emerged due to that and the cleanest and shortest way to keep devicetree backwards compatibility while still performing the well deserved cleanup is to add a dummy clock where needed, with ID 0. Signed-off-by: AngeloGioacchino Del Regno --- include/dt-bindings/clock/mt8173-clk.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/dt-bindings/clock/mt8173-clk.h b/include/dt-bindings/clock/mt8173-clk.h index 3d00c98b9654..86c298e8eb89 100644 --- a/include/dt-bindings/clock/mt8173-clk.h +++ b/include/dt-bindings/clock/mt8173-clk.h @@ -7,6 +7,9 @@ #ifndef _DT_BINDINGS_CLK_MT8173_H #define _DT_BINDINGS_CLK_MT8173_H +/* Dummy clock for backwards compatibility */ +#define CLK_DUMMY 0 + /* TOPCKGEN */ #define CLK_TOP_CLKPH_MCK_O 1