From patchwork Mon Mar 6 14:05:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13161212 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 CAD96C61DA4 for ; Mon, 6 Mar 2023 14:12:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229707AbjCFOML (ORCPT ); Mon, 6 Mar 2023 09:12:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230424AbjCFOLj (ORCPT ); Mon, 6 Mar 2023 09:11:39 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50A64305F5; Mon, 6 Mar 2023 06:09:27 -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 3556D6603002; Mon, 6 Mar 2023 14:07:08 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1678111629; bh=vITA8pfGXYKDdKrUwz0Dra2Zfgr6mfRhj1G5AbxCjJA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=da+zhHoKenR4X8JI/ZAG27pAoZ16a5KsL4WajXAmjDE8ahaQwVtfqhNPpHq+seHa1 P4hscFNQFVMnOOrTI3TUcKum2FAdXfv9nsIemaU+QZsvYYnoMcRVKMn+unMahnJNOr qDIUwglCtQywlWsbZSEoFlgqdOZGFAGzV7t6gPdP2lWfwWSS5jCvRuA+j2QAzGak4E U7rjGA48oU2mV7LbHXEwA0ZOW41I6N7QzOdpyJBCuyiras4Me4uqsIy0GTG7bUhJJh Q6WZh4weBpDSM3LUCcDp9GgMn/4MXCOtLvbNdi0Lc5C4yrfYe65KP2L3tWR+Pq5l5e nSmEgCQdYXhcg== From: AngeloGioacchino Del Regno To: mturquette@baylibre.com Cc: sboyd@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, wenst@chromium.org, johnson.wang@mediatek.com, miles.chen@mediatek.com, chun-jie.chen@mediatek.com, daniel@makrotopia.org, fparent@baylibre.com, msp@baylibre.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, zhaojh329@gmail.com, sam.shih@mediatek.com, edward-jw.yang@mediatek.com, yangyingliang@huawei.com, granquet@baylibre.com, pablo.sun@mediatek.com, sean.wang@mediatek.com, chen.zhong@mediatek.com, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com Subject: [PATCH v6 51/54] clk: mediatek: mt8135: Properly use CLK_IS_CRITICAL flag Date: Mon, 6 Mar 2023 15:05:40 +0100 Message-Id: <20230306140543.1813621-52-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230306140543.1813621-1-angelogioacchino.delregno@collabora.com> References: <20230306140543.1813621-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Instead of calling clk_prepare_enable() for clocks that shall stay enabled, use the CLK_IS_CRITICAL flag, which purpose is exactly that. Fixes: a8aede794843 ("clk: mediatek: Add basic clocks for Mediatek MT8135.") Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt8135.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c index 2a9405b552c6..1c76c0003f99 100644 --- a/drivers/clk/mediatek/clk-mt8135.c +++ b/drivers/clk/mediatek/clk-mt8135.c @@ -2,6 +2,8 @@ /* * Copyright (c) 2014 MediaTek Inc. * Author: James Liao + * Copyright (c) 2023 Collabora, Ltd. + * AngeloGioacchino Del Regno */ #include @@ -390,7 +392,7 @@ static const struct mtk_composite top_muxes[] __initconst = { MUX_GATE(CLK_TOP_GCPU_SEL, "gcpu_sel", gcpu_parents, 0x0164, 24, 3, 31), /* CLK_CFG_9 */ MUX_GATE(CLK_TOP_DPI1_SEL, "dpi1_sel", dpi1_parents, 0x0168, 0, 2, 7), - MUX_GATE(CLK_TOP_CCI_SEL, "cci_sel", cci_parents, 0x0168, 8, 3, 15), + MUX_GATE_FLAGS(CLK_TOP_CCI_SEL, "cci_sel", cci_parents, 0x0168, 8, 3, 15, CLK_IS_CRITICAL), MUX_GATE(CLK_TOP_APLL_SEL, "apll_sel", apll_parents, 0x0168, 16, 3, 23), MUX_GATE(CLK_TOP_HDMIPLL_SEL, "hdmipll_sel", hdmipll_parents, 0x0168, 24, 2, 31), }; @@ -404,6 +406,10 @@ static const struct mtk_gate_regs infra_cg_regs = { #define GATE_ICG(_id, _name, _parent, _shift) \ GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr) +#define GATE_ICG_AO(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &infra_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IS_CRITICAL) + static const struct mtk_gate infra_clks[] __initconst = { GATE_ICG(CLK_INFRA_PMIC_WRAP, "pmic_wrap_ck", "axi_sel", 23), GATE_ICG(CLK_INFRA_PMICSPI, "pmicspi_ck", "pmicspi_sel", 22), @@ -411,7 +417,7 @@ static const struct mtk_gate infra_clks[] __initconst = { GATE_ICG(CLK_INFRA_CCIF0_AP_CTRL, "ccif0_ap_ctrl", "axi_sel", 20), GATE_ICG(CLK_INFRA_KP, "kp_ck", "axi_sel", 16), GATE_ICG(CLK_INFRA_CPUM, "cpum_ck", "cpum_tck_in", 15), - GATE_ICG(CLK_INFRA_M4U, "m4u_ck", "mem_sel", 8), + GATE_ICG_AO(CLK_INFRA_M4U, "m4u_ck", "mem_sel", 8), GATE_ICG(CLK_INFRA_MFGAXI, "mfgaxi_ck", "axi_sel", 7), GATE_ICG(CLK_INFRA_DEVAPC, "devapc_ck", "axi_sel", 6), GATE_ICG(CLK_INFRA_AUDIO, "audio_ck", "aud_intbus_sel", 5), @@ -534,8 +540,6 @@ static void __init mtk_topckgen_init(struct device_node *node) ARRAY_SIZE(top_muxes), base, &mt8135_clk_lock, clk_data); - clk_prepare_enable(clk_data->hws[CLK_TOP_CCI_SEL]->clk); - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", @@ -553,8 +557,6 @@ static void __init mtk_infrasys_init(struct device_node *node) mtk_clk_register_gates(NULL, node, infra_clks, ARRAY_SIZE(infra_clks), clk_data); - clk_prepare_enable(clk_data->hws[CLK_INFRA_M4U]->clk); - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n",