From patchwork Fri Jan 20 09:20:52 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: 46254 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp98791wrn; Fri, 20 Jan 2023 01:25:53 -0800 (PST) X-Google-Smtp-Source: AMrXdXuqcrkaf6XlmUCxF4HYi01zB7mKEEIJBN3I1gmoYs20OwQl5VaqbmljvhGDbsKyCi474oOE X-Received: by 2002:a05:6a20:8345:b0:b8:8098:7ee6 with SMTP id z5-20020a056a20834500b000b880987ee6mr12669127pzc.42.1674206753434; Fri, 20 Jan 2023 01:25:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674206753; cv=none; d=google.com; s=arc-20160816; b=E4+mZfISyjkivEweKMdMr0zDj7ORWvsDCs1/yWXCCIGnNjWFNgNymeR71vVSVozHvN i8gzuVuefdfclCqRnco2z1+2hk/BfY/n/q5y75ktVpmk67Ra0k8fdTVDTU7N1m9MUavc ODKlkZwwQBGJr1rlv8gmOEhdNV1oouz8FYTS3XUr7wuEcD/6bZ5+tff2ifU4G8BrFsY1 gzdYu4OPZTiMM+usiIpqh7G5CeoB7X1enV/qj1lMVde7CAVYXuTj+F2cW/JHILglULy4 4KdgGL0+inR0Erno8ACV6ppWb1dEmOJph9aYgXtCWLSew4z2EsnL8AEkqMwo5DR8WTOh nWWg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=DmCzOmR6ex7ieClmwYYa3UePeppwePD5IPHTAkthcC8=; b=BjpWAzaIH07U5fgIWOB0xsyEY26zTzTsrEklOFu/jnyrL2cfluuo0/n4HK3lbbusWU EwhHRjcq6r5lp2qc6iU+mg77bPl2N15ocOka/f5eS+6e+CI9yKEL3vYQ50oYD6KcS2kc hxkkiIibD4gC+BWyHfRHkwkOzdVQfiF4zJxNDf5DT5RAa0sLXNWtfAKJ29jKeoJpE54w mVcTZ5km2mGAphwq1NN4S4Y3UQIehvh6osgeBKgTBEfrpBi1IT+MVnZR7eHx/DnhdLI6 ptZSRt1oS0rEJPG1lvvL1a+AP2zIpp+EGVFNyH+p3bpfoxQSRdrk11Nlu//peifXtU0p hnVw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=lqdqj5ba; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id j62-20020a638041000000b004b51282ce3bsi33166565pgd.422.2023.01.20.01.25.34; Fri, 20 Jan 2023 01:25:53 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=lqdqj5ba; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230313AbjATJXZ (ORCPT + 99 others); Fri, 20 Jan 2023 04:23:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230290AbjATJWm (ORCPT ); Fri, 20 Jan 2023 04:22:42 -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 791F79F07B; Fri, 20 Jan 2023 01:21:53 -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 EEC6B6602E41; Fri, 20 Jan 2023 09:21:34 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1674206496; bh=veBd2JTLsjF36au7M5gXmubbsmxaRJK4ZtEZdeWnvyU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lqdqj5baTx+slMQzGNDcAJ6mKloERHba43+caCRQnVapm146epMhBjNYhXkX6Z2XR Ux4A7Pp36Hhw8unH/atKB7idDO1DyBJv3pJSR5EseJsPAD5iRuye+ZMTYMfbvjzGeD NU3Df30T5NcTMsNQxUnh3DMxOLaSZJ5q93OzW2P+ABvhQIvKFVjhg1C1rliySYhc6l /bm/glFYc93ngoXUOiSqXM1tW6XC5WaNgCdqs+bVCETthHzeF1+6twKXAosnvtR1Pg 72dachq9z6/Y7lXMJuiaXfQvSgwxeSSvGPqmHcUGTQ2r9pRGIPyvgreiedmLDem90+ 1LjaSC4cNRPcA== 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 v4 22/23] clk: mediatek: clk-mt7986-topckgen: Properly keep some clocks enabled Date: Fri, 20 Jan 2023 10:20:52 +0100 Message-Id: <20230120092053.182923-23-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230120092053.182923-1-angelogioacchino.delregno@collabora.com> References: <20230120092053.182923-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755533020901984858?= X-GMAIL-MSGID: =?utf-8?q?1755533020901984858?= Instead of calling clk_prepare_enable() on a bunch of clocks at probe time, set the CLK_IS_CRITICAL flag to the same as these are required to be always on, and this is the right way of achieving that. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai Reviewed-by: Miles Chen --- drivers/clk/mediatek/clk-mt7986-topckgen.c | 46 +++++++++++----------- 1 file changed, 24 insertions(+), 22 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt7986-topckgen.c b/drivers/clk/mediatek/clk-mt7986-topckgen.c index c9bf47e6098f..36553f0c13fe 100644 --- a/drivers/clk/mediatek/clk-mt7986-topckgen.c +++ b/drivers/clk/mediatek/clk-mt7986-topckgen.c @@ -202,16 +202,23 @@ static const struct mtk_mux top_muxes[] = { MUX_GATE_CLR_SET_UPD(CLK_TOP_F_26M_ADC_SEL, "f_26m_adc_sel", f_26m_adc_parents, 0x020, 0x024, 0x028, 16, 1, 23, 0x1C0, 10), - MUX_GATE_CLR_SET_UPD(CLK_TOP_DRAMC_SEL, "dramc_sel", f_26m_adc_parents, - 0x020, 0x024, 0x028, 24, 1, 31, 0x1C0, 11), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_DRAMC_SEL, "dramc_sel", + f_26m_adc_parents, 0x020, 0x024, 0x028, + 24, 1, 31, 0x1C0, 11, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), /* CLK_CFG_3 */ - MUX_GATE_CLR_SET_UPD(CLK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel", - dramc_md32_parents, 0x030, 0x034, 0x038, 0, 1, 7, - 0x1C0, 12), - MUX_GATE_CLR_SET_UPD(CLK_TOP_SYSAXI_SEL, "sysaxi_sel", sysaxi_parents, - 0x030, 0x034, 0x038, 8, 2, 15, 0x1C0, 13), - MUX_GATE_CLR_SET_UPD(CLK_TOP_SYSAPB_SEL, "sysapb_sel", sysapb_parents, - 0x030, 0x034, 0x038, 16, 2, 23, 0x1C0, 14), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel", + dramc_md32_parents, 0x030, 0x034, 0x038, + 0, 1, 7, 0x1C0, 12, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SYSAXI_SEL, "sysaxi_sel", + sysaxi_parents, 0x030, 0x034, 0x038, + 8, 2, 15, 0x1C0, 13, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SYSAPB_SEL, "sysapb_sel", + sysapb_parents, 0x030, 0x034, 0x038, + 16, 2, 23, 0x1C0, 14, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_MAIN_SEL, "arm_db_main_sel", arm_db_main_parents, 0x030, 0x034, 0x038, 24, 1, 31, 0x1C0, 15), @@ -234,9 +241,10 @@ static const struct mtk_mux top_muxes[] = { MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_325M_SEL, "sgm_325m_sel", sgm_325m_parents, 0x050, 0x054, 0x058, 8, 1, 15, 0x1C0, 21), - MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_REG_SEL, "sgm_reg_sel", - sgm_reg_parents, 0x050, 0x054, 0x058, 16, 1, 23, - 0x1C0, 22), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SGM_REG_SEL, "sgm_reg_sel", + sgm_reg_parents, 0x050, 0x054, 0x058, + 16, 1, 23, 0x1C0, 22, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), MUX_GATE_CLR_SET_UPD(CLK_TOP_A1SYS_SEL, "a1sys_sel", a1sys_parents, 0x050, 0x054, 0x058, 24, 1, 31, 0x1C0, 23), /* CLK_CFG_6 */ @@ -252,9 +260,10 @@ static const struct mtk_mux top_muxes[] = { f_26m_adc_parents, 0x060, 0x064, 0x068, 24, 1, 31, 0x1C0, 27), /* CLK_CFG_7 */ - MUX_GATE_CLR_SET_UPD(CLK_TOP_F26M_SEL, "csw_f26m_sel", - f_26m_adc_parents, 0x070, 0x074, 0x078, 0, 1, 7, - 0x1C0, 28), + MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_F26M_SEL, "csw_f26m_sel", + f_26m_adc_parents, 0x070, 0x074, 0x078, + 0, 1, 7, 0x1C0, 28, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_L_SEL, "aud_l_sel", aud_l_parents, 0x070, 0x074, 0x078, 8, 2, 15, 0x1C0, 29), MUX_GATE_CLR_SET_UPD(CLK_TOP_A_TUNER_SEL, "a_tuner_sel", @@ -307,13 +316,6 @@ static int clk_mt7986_topckgen_probe(struct platform_device *pdev) ARRAY_SIZE(top_muxes), node, &mt7986_clk_lock, clk_data); - clk_prepare_enable(clk_data->hws[CLK_TOP_SYSAXI_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_SYSAPB_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_DRAMC_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_DRAMC_MD32_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_F26M_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_SGM_REG_SEL]->clk); - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) {