From patchwork Wed Feb 22 09:25:40 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: 13148980 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 14FEFC61DA4 for ; Wed, 22 Feb 2023 10:07:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KKrb7S/Pr71z6/tov8PslqMqA+u2fseUG1+5SBcFVIs=; b=FFoU8liumCdB1tegyVdGfzSCim AA5ASTM7GnwP7RQD8uXQqazrMtROfRxHvaQq4flAH1pl9nFV05VValnwk7IH0xSD1I5L8o//3Czyg preEZpF0zjeM3oFA3otBPXdh851W5F3vwNaHd8Ctk3/8nEI+vsF72lhBOu+p4oeM3uYcWdbpS+50U 7XCp5sT8aL1S8gRqJJcqGXQgW1vMuEw0S9KLUuui/k0Z327MRtazud0/PurO+EN9EbUXrlwMFOdJW UuHz4Afi9DcFhsh+jFuBehpzya00xpIakMMPXanHVgtxazroXbOJWiCuK053kA6DEs6kRkvau+rCa 5AiFvMKA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUm1k-00BkwK-Pu; Wed, 22 Feb 2023 10:07:08 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUlOx-00BQNb-Lv; Wed, 22 Feb 2023 09:27:05 +0000 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 38AF366021A4; Wed, 22 Feb 2023 09:27:01 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677058022; bh=vITA8pfGXYKDdKrUwz0Dra2Zfgr6mfRhj1G5AbxCjJA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AFzrq43esV97qlLLvszx+MmK4XAh0EfIQ0NaCXcT8CeBuYgI7Vcf4Tyqv6MBSXrSW EI+raKU+/NmiFP9egZAsS/ezqeVZQySdrJ3t5ri1vOczECJEvohcKcbWwlKuUc2lLd DyNdh4jHP56GYN0mChlNMrbHzHrv7C06k4XeCxjpOJxzcp/XSLvbugcKn+ncYzLW4u tLeUMSuvEg9/zjFKU89tUfNELPcIWSQak4MjD9QE/yxi3gdLasEExFLpqRVgEUI36N oDaG8bxIiO9p3p/AZAZd7HMLeCHIgWrwBqdQcWDdGPZw1+/+oDU/S7zDGvkeljIjSp 7c42Kw1JtMXnA== 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 Subject: [PATCH v5 51/54] clk: mediatek: mt8135: Properly use CLK_IS_CRITICAL flag Date: Wed, 22 Feb 2023 10:25:40 +0100 Message-Id: <20230222092543.19187-52-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230222092543.19187-1-angelogioacchino.delregno@collabora.com> References: <20230222092543.19187-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230222_012703_903918_EE96B9BD X-CRM114-Status: GOOD ( 10.72 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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",