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Tue, 13 Oct 2026 08:21:15 -0700 (PDT) From: Akari Tsuyukusa To: Brian Masney , Jerome Brunet , Matthias Brugger , AngeloGioacchino Del Regno , Yassine Oudjana , Richard Cochran Cc: Chen-Yu Tsai , Bartosz Golaszewski , Kees Cook , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig=20=28The=20Capable=20Hub=29?= , Danilo Krummrich , Nicolas Frattaroli , Bjorn Helgaas , Takashi Sakamoto , Haotian Zhang , Miles Chen , Sam Shih , Daniel Golle , Chun-Jie Chen , Laura Nao , =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= , linux-clk@vger.kernel.org (open list:COMMON CLK FRAMEWORK), linux-kernel@vger.kernel.org (open list), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek SoC support), Akari Tsuyukusa Subject: [PATCH v2 34/35] clk: mediatek: mt8196: Switch to common probe/remove helpers Date: Wed, 14 Oct 2026 00:17:33 +0900 Message-ID: <20261013151734.3177690-35-akkun11.open@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261013151734.3177690-1-akkun11.open@gmail.com> References: <20261013151734.3177690-1-akkun11.open@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The MT8196 apmixedsys, mcusys, and mfg drivers use MT8196-specific PLL descriptors or pass PLL data directly as match data, requiring custom probe/remove callbacks. Represent these PLL configurations using struct mtk_clk_desc so the drivers can use mtk_clk_simple_probe() and mtk_clk_simple_remove(). Keep the vlpckgen driver unchanged because its probe callback also initializes APLL tuner registers, which are not yet supported by the common helpers. Signed-off-by: Akari Tsuyukusa --- Changes in v2: - Improvement of commit messages --- drivers/clk/mediatek/clk-mt8196-apmixedsys.c | 67 ++------------ drivers/clk/mediatek/clk-mt8196-mcu.c | 96 +++++++------------- drivers/clk/mediatek/clk-mt8196-mfg.c | 84 +++++------------ 3 files changed, 63 insertions(+), 184 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8196-apmixedsys.c b/drivers/clk/mediatek/clk-mt8196-apmixedsys.c index c4ebb0170b82..a20fa02070a8 100644 --- a/drivers/clk/mediatek/clk-mt8196-apmixedsys.c +++ b/drivers/clk/mediatek/clk-mt8196-apmixedsys.c @@ -86,11 +86,6 @@ .ops = &mtk_pll_fenc_clr_set_ops, \ } -struct mtk_pll_desc { - const struct mtk_pll_data *clks; - size_t num_clks; -}; - static const struct mtk_pll_data apmixed_plls[] = { PLL_FENC(CLK_APMIXED_MAINPLL, "mainpll", MAINPLL_CON0, FENC_STATUS_CON0, 7, PLL_AO, MAINPLL_CON1, 24, MAINPLL_CON1, 0, 22, 0), @@ -110,9 +105,9 @@ static const struct mtk_pll_data apmixed_plls[] = { 0, 0, SGMIIPLL_CON1, 24, SGMIIPLL_CON1, 0, 22, 7), }; -static const struct mtk_pll_desc apmixed_desc = { - .clks = apmixed_plls, - .num_clks = ARRAY_SIZE(apmixed_plls), +static const struct mtk_clk_desc apmixed_desc = { + .plls = apmixed_plls, + .num_plls = ARRAY_SIZE(apmixed_plls), }; static const struct mtk_pll_data apmixed2_plls[] = { @@ -132,57 +127,11 @@ static const struct mtk_pll_data apmixed2_plls[] = { 0, 0, TVDPLL3_CON1, 24, TVDPLL3_CON1, 0, 22, 6), }; -static const struct mtk_pll_desc apmixed2_desc = { - .clks = apmixed2_plls, - .num_clks = ARRAY_SIZE(apmixed2_plls), +static const struct mtk_clk_desc apmixed2_desc = { + .plls = apmixed2_plls, + .num_plls = ARRAY_SIZE(apmixed2_plls), }; -static int clk_mt8196_apmixed_probe(struct platform_device *pdev) -{ - struct clk_hw_onecell_data *clk_data; - struct device_node *node = pdev->dev.of_node; - const struct mtk_pll_desc *mcd; - int r; - - mcd = device_get_match_data(&pdev->dev); - if (!mcd) - return -EINVAL; - - clk_data = mtk_alloc_clk_data(mcd->num_clks); - if (!clk_data) - return -ENOMEM; - - r = mtk_clk_register_plls(&pdev->dev, mcd->clks, mcd->num_clks, - clk_data); - if (r) - goto free_apmixed_data; - - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - goto unregister_plls; - - platform_set_drvdata(pdev, clk_data); - - return r; - -unregister_plls: - mtk_clk_unregister_plls(mcd->clks, mcd->num_clks, clk_data); -free_apmixed_data: - mtk_free_clk_data(clk_data); - return r; -} - -static void clk_mt8196_apmixed_remove(struct platform_device *pdev) -{ - const struct mtk_pll_desc *mcd = device_get_match_data(&pdev->dev); - struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); - struct device_node *node = pdev->dev.of_node; - - of_clk_del_provider(node); - mtk_clk_unregister_plls(mcd->clks, mcd->num_clks, clk_data); - mtk_free_clk_data(clk_data); -} - static const struct of_device_id of_match_clk_mt8196_apmixed[] = { { .compatible = "mediatek,mt8196-apmixedsys", .data = &apmixed_desc }, { .compatible = "mediatek,mt8196-apmixedsys-gp2", @@ -192,8 +141,8 @@ static const struct of_device_id of_match_clk_mt8196_apmixed[] = { MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_apmixed); static struct platform_driver clk_mt8196_apmixed_drv = { - .probe = clk_mt8196_apmixed_probe, - .remove = clk_mt8196_apmixed_remove, + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, .driver = { .name = "clk-mt8196-apmixed", .of_match_table = of_match_clk_mt8196_apmixed, diff --git a/drivers/clk/mediatek/clk-mt8196-mcu.c b/drivers/clk/mediatek/clk-mt8196-mcu.c index 13642fc673c2..e392408c93b2 100644 --- a/drivers/clk/mediatek/clk-mt8196-mcu.c +++ b/drivers/clk/mediatek/clk-mt8196-mcu.c @@ -68,29 +68,44 @@ .pcwibits = MT8196_INTEGER_BITS, \ } -static const struct mtk_pll_data cpu_bl_plls[] = { - PLL(CLK_CPBL_ARMPLL_BL, "armpll-bl", ARMPLL_BL_CON0, ARMPLL_BL_CON0, 0, - 0, PLL_AO, BIT(0), ARMPLL_BL_CON1, 24, 0, 0, 0, ARMPLL_BL_CON1, 0, 22), +static const struct mtk_clk_desc cpu_bl_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_CPBL_ARMPLL_BL, "armpll-bl", ARMPLL_BL_CON0, ARMPLL_BL_CON0, 0, + 0, PLL_AO, BIT(0), ARMPLL_BL_CON1, 24, 0, 0, 0, ARMPLL_BL_CON1, 0, 22), + }, + .num_plls = 1, }; -static const struct mtk_pll_data cpu_b_plls[] = { - PLL(CLK_CPB_ARMPLL_B, "armpll-b", ARMPLL_B_CON0, ARMPLL_B_CON0, 0, 0, - PLL_AO, BIT(0), ARMPLL_B_CON1, 24, 0, 0, 0, ARMPLL_B_CON1, 0, 22), +static const struct mtk_clk_desc cpu_b_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_CPB_ARMPLL_B, "armpll-b", ARMPLL_B_CON0, ARMPLL_B_CON0, 0, 0, + PLL_AO, BIT(0), ARMPLL_B_CON1, 24, 0, 0, 0, ARMPLL_B_CON1, 0, 22), + }, + .num_plls = 1, }; -static const struct mtk_pll_data cpu_ll_plls[] = { - PLL(CLK_CPLL_ARMPLL_LL, "armpll-ll", ARMPLL_LL_CON0, ARMPLL_LL_CON0, 0, - 0, PLL_AO, BIT(0), ARMPLL_LL_CON1, 24, 0, 0, 0, ARMPLL_LL_CON1, 0, 22), +static const struct mtk_clk_desc cpu_ll_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_CPLL_ARMPLL_LL, "armpll-ll", ARMPLL_LL_CON0, ARMPLL_LL_CON0, 0, + 0, PLL_AO, BIT(0), ARMPLL_LL_CON1, 24, 0, 0, 0, ARMPLL_LL_CON1, 0, 22), + }, + .num_plls = 1, }; -static const struct mtk_pll_data cci_plls[] = { - PLL(CLK_CCIPLL, "ccipll", CCIPLL_CON0, CCIPLL_CON0, 0, 0, PLL_AO, - BIT(0), CCIPLL_CON1, 24, 0, 0, 0, CCIPLL_CON1, 0, 22), +static const struct mtk_clk_desc cci_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_CCIPLL, "ccipll", CCIPLL_CON0, CCIPLL_CON0, 0, 0, PLL_AO, + BIT(0), CCIPLL_CON1, 24, 0, 0, 0, CCIPLL_CON1, 0, 22), + }, + .num_plls = 1, }; -static const struct mtk_pll_data ptp_plls[] = { - PLL(CLK_PTPPLL, "ptppll", PTPPLL_CON0, PTPPLL_CON0, 0, 0, PLL_AO, - BIT(0), PTPPLL_CON1, 24, 0, 0, 0, PTPPLL_CON1, 0, 22), +static const struct mtk_clk_desc ptp_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_PTPPLL, "ptppll", PTPPLL_CON0, PTPPLL_CON0, 0, 0, PLL_AO, + BIT(0), PTPPLL_CON1, 24, 0, 0, 0, PTPPLL_CON1, 0, 22), + }, + .num_plls = 1, }; static const struct of_device_id of_match_clk_mt8196_mcu[] = { @@ -106,56 +121,9 @@ static const struct of_device_id of_match_clk_mt8196_mcu[] = { }; MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_mcu); -static int clk_mt8196_mcu_probe(struct platform_device *pdev) -{ - const struct mtk_pll_data *plls; - struct clk_hw_onecell_data *clk_data; - struct device_node *node = pdev->dev.of_node; - const int num_plls = 1; - int r; - - plls = of_device_get_match_data(&pdev->dev); - if (!plls) - return -EINVAL; - - clk_data = mtk_alloc_clk_data(num_plls); - if (!clk_data) - return -ENOMEM; - - r = mtk_clk_register_plls(&pdev->dev, plls, num_plls, clk_data); - if (r) - goto free_clk_data; - - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - goto unregister_plls; - - platform_set_drvdata(pdev, clk_data); - - return r; - -unregister_plls: - mtk_clk_unregister_plls(plls, num_plls, clk_data); -free_clk_data: - mtk_free_clk_data(clk_data); - - return r; -} - -static void clk_mt8196_mcu_remove(struct platform_device *pdev) -{ - const struct mtk_pll_data *plls = of_device_get_match_data(&pdev->dev); - struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); - struct device_node *node = pdev->dev.of_node; - - of_clk_del_provider(node); - mtk_clk_unregister_plls(plls, 1, clk_data); - mtk_free_clk_data(clk_data); -} - static struct platform_driver clk_mt8196_mcu_drv = { - .probe = clk_mt8196_mcu_probe, - .remove = clk_mt8196_mcu_remove, + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, .driver = { .name = "clk-mt8196-mcu", .of_match_table = of_match_clk_mt8196_mcu, diff --git a/drivers/clk/mediatek/clk-mt8196-mfg.c b/drivers/clk/mediatek/clk-mt8196-mfg.c index a317183f1681..a209162f6207 100644 --- a/drivers/clk/mediatek/clk-mt8196-mfg.c +++ b/drivers/clk/mediatek/clk-mt8196-mfg.c @@ -61,22 +61,31 @@ .parent_name = "mfg_eb", \ } -static const struct mtk_pll_data mfg_ao_plls[] = { - PLL(CLK_MFG_AO_MFGPLL, "mfgpll", MFGPLL_CON0, MFGPLL_CON0, 0, 0, - PLL_PARENT_EN, BIT(0), MFGPLL_CON1, 24, 0, 0, 0, - MFGPLL_CON1, 0, 22), +static const struct mtk_clk_desc mfg_ao_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_MFG_AO_MFGPLL, "mfgpll", MFGPLL_CON0, + MFGPLL_CON0, 0, 0, PLL_PARENT_EN, BIT(0), + MFGPLL_CON1, 24, 0, 0, 0, MFGPLL_CON1, 0, 22), + }, + .num_plls = 1, }; -static const struct mtk_pll_data mfgsc0_ao_plls[] = { - PLL(CLK_MFGSC0_AO_MFGPLL_SC0, "mfgpll-sc0", MFGPLL_SC0_CON0, - MFGPLL_SC0_CON0, 0, 0, PLL_PARENT_EN, BIT(0), MFGPLL_SC0_CON1, 24, - 0, 0, 0, MFGPLL_SC0_CON1, 0, 22), +static const struct mtk_clk_desc mfgsc0_ao_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_MFGSC0_AO_MFGPLL_SC0, "mfgpll-sc0", MFGPLL_SC0_CON0, + MFGPLL_SC0_CON0, 0, 0, PLL_PARENT_EN, BIT(0), + MFGPLL_SC0_CON1, 24, 0, 0, 0, MFGPLL_SC0_CON1, 0, 22), + }, + .num_plls = 1, }; -static const struct mtk_pll_data mfgsc1_ao_plls[] = { - PLL(CLK_MFGSC1_AO_MFGPLL_SC1, "mfgpll-sc1", MFGPLL_SC1_CON0, - MFGPLL_SC1_CON0, 0, 0, PLL_PARENT_EN, BIT(0), MFGPLL_SC1_CON1, 24, - 0, 0, 0, MFGPLL_SC1_CON1, 0, 22), +static const struct mtk_clk_desc mfgsc1_ao_plls = { + .plls = (const struct mtk_pll_data[]){ + PLL(CLK_MFGSC1_AO_MFGPLL_SC1, "mfgpll-sc1", MFGPLL_SC1_CON0, + MFGPLL_SC1_CON0, 0, 0, PLL_PARENT_EN, BIT(0), + MFGPLL_SC1_CON1, 24, 0, 0, 0, MFGPLL_SC1_CON1, 0, 22), + }, + .num_plls = 1, }; static const struct of_device_id of_match_clk_mt8196_mfg[] = { @@ -90,56 +99,9 @@ static const struct of_device_id of_match_clk_mt8196_mfg[] = { }; MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_mfg); -static int clk_mt8196_mfg_probe(struct platform_device *pdev) -{ - const struct mtk_pll_data *plls; - struct clk_hw_onecell_data *clk_data; - struct device_node *node = pdev->dev.of_node; - const int num_plls = 1; - int r; - - plls = of_device_get_match_data(&pdev->dev); - if (!plls) - return -EINVAL; - - clk_data = mtk_alloc_clk_data(num_plls); - if (!clk_data) - return -ENOMEM; - - r = mtk_clk_register_plls(&pdev->dev, plls, num_plls, clk_data); - if (r) - goto free_clk_data; - - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - goto unregister_plls; - - platform_set_drvdata(pdev, clk_data); - - return r; - -unregister_plls: - mtk_clk_unregister_plls(plls, num_plls, clk_data); -free_clk_data: - mtk_free_clk_data(clk_data); - - return r; -} - -static void clk_mt8196_mfg_remove(struct platform_device *pdev) -{ - const struct mtk_pll_data *plls = of_device_get_match_data(&pdev->dev); - struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); - struct device_node *node = pdev->dev.of_node; - - of_clk_del_provider(node); - mtk_clk_unregister_plls(plls, 1, clk_data); - mtk_free_clk_data(clk_data); -} - static struct platform_driver clk_mt8196_mfg_drv = { - .probe = clk_mt8196_mfg_probe, - .remove = clk_mt8196_mfg_remove, + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, .driver = { .name = "clk-mt8196-mfg", .of_match_table = of_match_clk_mt8196_mfg, -- 2.56.0