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[2620:137:e000::1:20]) by mx.google.com with ESMTP id mp16-20020a1709071b1000b007bfdadb58e7si47010557ejc.546.2023.01.20.01.23.05; Fri, 20 Jan 2023 01:23:28 -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=Ym3GUvmD; 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 S230348AbjATJWa (ORCPT + 99 others); Fri, 20 Jan 2023 04:22:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230316AbjATJVq (ORCPT ); Fri, 20 Jan 2023 04:21:46 -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 30A4D94CB1; Fri, 20 Jan 2023 01:21:19 -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 14B566602DC9; Fri, 20 Jan 2023 09:21:13 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1674206474; bh=NchnhQJ8/NsCOmF+ugDdtTzoMIg4fvva0j2fRFAtkyM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ym3GUvmDcHUhj2hVfLbLhwJu5GrhxUte7qsmKfbw94ljY/MVH0OXQAgiyQtveCvuo 6MRMEeJVICdC9+k/Q+qEZhOUMjAjmSPsAKMloHpE4qOumlMLgW1gnLIdVM6h99Dl2e 7yS46Jrnoc1e+O2lsMiIxxF7q0ljkin5CnoHj1T9AsrINr3Jym+ydQjFTXDLaEryc1 pCTM/5ln51Gwtp72Vw6QisvhH+2/yItFpWBllkf/WNpreK1vgXLctmiLMl6wb0Qc1p UFUzo1u2+V8qwbh3zgEwhsrjZrzogrfLNEbAYrYyJCT1PCB1u1YpmjLPvxYz6dmsON n6zOoYdgzP0Ig== 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 09/23] clk: mediatek: mt8173: Remove mtk_clk_enable_critical() Date: Fri, 20 Jan 2023 10:20:39 +0100 Message-Id: <20230120092053.182923-10-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?1755532869119527307?= X-GMAIL-MSGID: =?utf-8?q?1755532869119527307?= The entire point of mtk_clk_enable_critical() is to raise the refcount of some clocks so that they won't be turned off during runtime, but this is the same as what the CLK_IS_CRITICAL flag does. Set CLK_IS_CRITICAL on all of the critical clocks and remove the aforementioned function as a cleanup. No functional changes. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt8173.c | 41 ++++++++++++------------------- 1 file changed, 16 insertions(+), 25 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 0163d27e8795..787ab87036a0 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -546,8 +546,11 @@ static const struct mtk_composite cpu_muxes[] = { static const struct mtk_composite top_muxes[] = { /* CLK_CFG_0 */ MUX(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3), - MUX(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, 0x0040, 8, 1), - MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, 0x0040, 16, 1, 23), + MUX_FLAGS(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, 0x0040, 8, 1, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), + MUX_GATE_FLAGS(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", + ddrphycfg_parents, 0x0040, 16, 1, 23, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, 0x0040, 24, 4, 31), /* CLK_CFG_1 */ MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x0050, 0, 2, 7), @@ -581,7 +584,9 @@ static const struct mtk_composite top_muxes[] = { */ MUX_GATE_FLAGS(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0x00a0, 0, 3, 7, 0), MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0x00a0, 8, 2, 15), - MUX_GATE(CLK_TOP_CCI400_SEL, "cci400_sel", cci400_parents, 0x00a0, 16, 3, 23), + MUX_GATE_FLAGS(CLK_TOP_CCI400_SEL, "cci400_sel", + cci400_parents, 0x00a0, 16, 3, 23, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), MUX_GATE(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents, 0x00a0, 24, 2, 31), /* CLK_CFG_7 */ MUX_GATE(CLK_TOP_AUD_2_SEL, "aud_2_sel", aud_2_parents, 0x00b0, 0, 2, 7), @@ -596,7 +601,8 @@ static const struct mtk_composite top_muxes[] = { MUX_GATE(CLK_TOP_MSDC50_2_H_SEL, "msdc50_2_h_sel", msdc50_2_h_parents, 0x00d0, 0, 3, 7), MUX_GATE(CLK_TOP_HDCP_SEL, "hdcp_sel", hdcp_parents, 0x00d0, 8, 2, 15), MUX_GATE(CLK_TOP_HDCP_24M_SEL, "hdcp_24m_sel", hdcp_24m_parents, 0x00d0, 16, 2, 23), - MUX(CLK_TOP_RTC_SEL, "rtc_sel", rtc_parents, 0x00d0, 24, 2), + MUX_FLAGS(CLK_TOP_RTC_SEL, "rtc_sel", rtc_parents, 0x00d0, 24, 2, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), DIV_GATE(CLK_TOP_APLL1_DIV0, "apll1_div0", "aud_1_sel", 0x12c, 8, 0x120, 4, 24), DIV_GATE(CLK_TOP_APLL1_DIV1, "apll1_div1", "aud_1_sel", 0x12c, 9, 0x124, 8, 0), @@ -846,23 +852,8 @@ static const struct mtk_clk_rst_desc clk_rst_desc[] = { } }; -static struct clk_hw_onecell_data *mt8173_top_clk_data; -static struct clk_hw_onecell_data *mt8173_pll_clk_data; static struct clk_hw_onecell_data *infra_clk_data; -static void mtk_clk_enable_critical(void) -{ - if (!mt8173_top_clk_data || !mt8173_pll_clk_data) - return; - - clk_prepare_enable(mt8173_pll_clk_data->hws[CLK_APMIXED_ARMCA15PLL]->clk); - clk_prepare_enable(mt8173_pll_clk_data->hws[CLK_APMIXED_ARMCA7PLL]->clk); - clk_prepare_enable(mt8173_top_clk_data->hws[CLK_TOP_MEM_SEL]->clk); - clk_prepare_enable(mt8173_top_clk_data->hws[CLK_TOP_DDRPHYCFG_SEL]->clk); - clk_prepare_enable(mt8173_top_clk_data->hws[CLK_TOP_CCI400_SEL]->clk); - clk_prepare_enable(mt8173_top_clk_data->hws[CLK_TOP_RTC_SEL]->clk); -} - static int clk_mt8173_topck_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; @@ -874,7 +865,7 @@ static int clk_mt8173_topck_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - mt8173_top_clk_data = clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); if (IS_ERR_OR_NULL(clk_data)) return -ENOMEM; @@ -896,7 +887,6 @@ static int clk_mt8173_topck_probe(struct platform_device *pdev) if (r) goto unregister_composites; - mtk_clk_enable_critical(); return 0; unregister_composites: @@ -1051,8 +1041,10 @@ static const struct mtk_pll_div_table mmpll_div_table[] = { }; static const struct mtk_pll_data plls[] = { - PLL(CLK_APMIXED_ARMCA15PLL, "armca15pll", 0x200, 0x20c, 0, 0, 21, 0x204, 24, 0x0, 0x204, 0), - PLL(CLK_APMIXED_ARMCA7PLL, "armca7pll", 0x210, 0x21c, 0, 0, 21, 0x214, 24, 0x0, 0x214, 0), + PLL(CLK_APMIXED_ARMCA15PLL, "armca15pll", 0x200, 0x20c, 0, PLL_AO, + 21, 0x204, 24, 0x0, 0x204, 0), + PLL(CLK_APMIXED_ARMCA7PLL, "armca7pll", 0x210, 0x21c, 0, PLL_AO, + 21, 0x214, 24, 0x0, 0x214, 0), PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x220, 0x22c, 0xf0000100, HAVE_RST_BAR, 21, 0x220, 4, 0x0, 0x224, 0), PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x230, 0x23c, 0xfe000000, HAVE_RST_BAR, 7, 0x230, 4, 0x0, 0x234, 14), PLL_B(CLK_APMIXED_MMPLL, "mmpll", 0x240, 0x24c, 0, 0, 21, 0x244, 24, 0x0, 0x244, 0, mmpll_div_table), @@ -1079,7 +1071,7 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev) if (!base) return PTR_ERR(base); - mt8173_pll_clk_data = clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); + clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); if (IS_ERR_OR_NULL(clk_data)) return -ENOMEM; @@ -1104,7 +1096,6 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev) if (r) goto unregister_ref2usb; - mtk_clk_enable_critical(); return 0; unregister_ref2usb: