From nobody Sat Sep 21 09:47:03 2024 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 BB193C4167B for ; Thu, 22 Dec 2022 11:57:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235705AbiLVL53 (ORCPT ); Thu, 22 Dec 2022 06:57:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235740AbiLVLzu (ORCPT ); Thu, 22 Dec 2022 06:55:50 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C516B2EFA5; Thu, 22 Dec 2022 03:49:56 -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 430CB6602CDE; Thu, 22 Dec 2022 11:49:54 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1671709795; bh=hfLSNFYO1N3oGbd/PPfAVz7ORJ/6t7ABxEYaZXHA2pw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SYFwbZK/3m1mtFVr2HBf1kQKa4BbSfLP3DtxkH+Zx2v9UzkrVzRFhp9Xz9EQp4ahX EocDvwyFb1d/SredXi3GviNGaPryeETNEdx0iKgiKgFG7LK7/FRteZPEXkegGtnzSy sc0iqFctqHL/i9bDgaA7pd6LeA5ce06gKL9QWxwsx7B5Vie2tD+2fOo2sRa3ID8Gfd 2yQN60N10Ue+K0AXJpUDtNn8fdOrlMyUPtvfC1EFLXug8Ybu2hVxUSsTg+wld5GrtR 8321XzFXFDW9Z7EYhUe8mArxmFiBUj87FbCRvLe0oI1VxZ8t/1lYdz4mad65A6e3nf ulcqurMbALchQ== 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 24/25] clk: mediatek: clk-mt7986-topckgen: Properly keep some clocks enabled Date: Thu, 22 Dec 2022 12:48:56 +0100 Message-Id: <20221222114857.120060-25-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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 --- 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/media= tek/clk-mt7986-topckgen.c index d7df9585787f..bf3088e6d9e3 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[] =3D { 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[] =3D { 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[] =3D { 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", @@ -306,13 +315,6 @@ static int clk_mt7986_topckgen_probe(struct platform_d= evice *pdev) mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node, &mt7986_clk_lock, clk_data, &pdev->dev); =20 - 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 =3D of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); =20 if (r) { --=20 2.39.0