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Date: Wed, 20 Apr 2022 21:05:21 +0800 From: Rex-BC Chen <rex-bc.chen@...iatek.com> To: <mturquette@...libre.com>, <sboyd@...nel.org> CC: <matthias.bgg@...il.com>, <p.zabel@...gutronix.de>, <angelogioacchino.delregno@...labora.com>, <chun-jie.chen@...iatek.com>, <wenst@...omium.org>, <runyang.chen@...iatek.com>, <linux-kernel@...r.kernel.org>, <allen-kh.cheng@...iatek.com>, <linux-clk@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>, <Project_Global_Chrome_Upstream_Group@...iatek.com>, Rex-BC Chen <rex-bc.chen@...iatek.com> Subject: [PATCH V2 06/12] clk: mediatek: reset: Revise structure to control reset register Add mtk_clk_rst_desc to input the reset register data, and replace the structure "struct mtk_reset" to reset.h, and rename it as "mtk_clk_rst_data". We use them to store reset register data and store reset controller device. Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com> --- drivers/clk/mediatek/clk-mt2701-eth.c | 8 +++++- drivers/clk/mediatek/clk-mt2701-g3d.c | 8 +++++- drivers/clk/mediatek/clk-mt2701-hif.c | 8 +++++- drivers/clk/mediatek/clk-mt2701.c | 19 ++++++++++++-- drivers/clk/mediatek/clk-mt2712.c | 19 ++++++++++++-- drivers/clk/mediatek/clk-mt7622-eth.c | 8 +++++- drivers/clk/mediatek/clk-mt7622-hif.c | 10 ++++++-- drivers/clk/mediatek/clk-mt7622.c | 19 ++++++++++++-- drivers/clk/mediatek/clk-mt7629-eth.c | 8 +++++- drivers/clk/mediatek/clk-mt7629-hif.c | 10 ++++++-- drivers/clk/mediatek/clk-mt8135.c | 19 ++++++++++++-- drivers/clk/mediatek/clk-mt8173.c | 19 ++++++++++++-- drivers/clk/mediatek/clk-mt8183.c | 9 +++++-- drivers/clk/mediatek/reset.c | 36 +++++++++++++-------------- drivers/clk/mediatek/reset.h | 15 ++++++++++- 15 files changed, 174 insertions(+), 41 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-eth.c b/drivers/clk/mediatek/clk-mt2701-eth.c index 85a993279506..1c83ac4ee1a9 100644 --- a/drivers/clk/mediatek/clk-mt2701-eth.c +++ b/drivers/clk/mediatek/clk-mt2701-eth.c @@ -36,6 +36,12 @@ static const struct mtk_gate eth_clks[] = { GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk", "ethif_sel", 29), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x34, +}; + static const struct of_device_id of_match_clk_mt2701_eth[] = { { .compatible = "mediatek,mt2701-ethsys", }, {} @@ -58,7 +64,7 @@ static int clk_mt2701_eth_probe(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c index 42b9ec1bc926..8b802083642e 100644 --- a/drivers/clk/mediatek/clk-mt2701-g3d.c +++ b/drivers/clk/mediatek/clk-mt2701-g3d.c @@ -35,6 +35,12 @@ static const struct mtk_gate g3d_clks[] = { GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0xc, +}; + static int clk_mt2701_g3dsys_init(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -52,7 +58,7 @@ static int clk_mt2701_g3dsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0xc, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index f20e9b1033e7..4bf57ed948dc 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -33,6 +33,12 @@ static const struct mtk_gate hif_clks[] = { GATE_HIF(CLK_HIFSYS_PCIE2, "pcie2_clk", "ethpll_500m_ck", 26), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x34, +}; + static const struct of_device_id of_match_clk_mt2701_hif[] = { { .compatible = "mediatek,mt2701-hifsys", }, {} @@ -57,7 +63,7 @@ static int clk_mt2701_hif_probe(struct platform_device *pdev) return r; } - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index e6ff09b2f915..24af9588358c 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -735,6 +735,21 @@ static const struct mtk_fixed_factor infra_fixed_divs[] = { FACTOR(CLK_INFRA_CLK_13M, "clk13m", "clk26m", 1, 2), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x0, + }, +}; + static struct clk_onecell_data *infra_clk_data; static void __init mtk_infrasys_init_early(struct device_node *node) @@ -785,7 +800,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_clk_register_rst_ctrl(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[0]); return 0; } @@ -908,7 +923,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) if (r) return r; - mtk_clk_register_rst_ctrl(node, 2, 0x0, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index d337ca91de60..4942129bdd54 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -1258,6 +1258,21 @@ static const struct mtk_pll_data plls[] = { 0, 31, 0x0300, 4, 0, 0, 0, 0x0304, 0), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infra */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x30, + }, + /* peri */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x0, + }, +}; + static int clk_mt2712_apmixed_probe(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -1361,7 +1376,7 @@ static int clk_mt2712_infra_probe(struct platform_device *pdev) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_clk_register_rst_ctrl(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[0]); return r; } @@ -1383,7 +1398,7 @@ static int clk_mt2712_peri_probe(struct platform_device *pdev) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_clk_register_rst_ctrl(node, 2, 0, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[1]); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-eth.c b/drivers/clk/mediatek/clk-mt7622-eth.c index ac3bf5aba73b..f822e8538037 100644 --- a/drivers/clk/mediatek/clk-mt7622-eth.c +++ b/drivers/clk/mediatek/clk-mt7622-eth.c @@ -65,6 +65,12 @@ static const struct mtk_gate sgmii_clks[] = { "ssusb_cdr_fb", 5), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7622_ethsys_init(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -82,7 +88,7 @@ static int clk_mt7622_ethsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-hif.c b/drivers/clk/mediatek/clk-mt7622-hif.c index 5041126852b6..fee784fc3468 100644 --- a/drivers/clk/mediatek/clk-mt7622-hif.c +++ b/drivers/clk/mediatek/clk-mt7622-hif.c @@ -76,6 +76,12 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_SATA_PM_EN, "sata_pm_en", "univpll2_d4", 30), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -93,7 +99,7 @@ static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } @@ -115,7 +121,7 @@ static int clk_mt7622_pciesys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index d453a2db0da7..2bcd1d95f8f9 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -610,6 +610,21 @@ static struct mtk_composite peri_muxes[] = { MUX(CLK_PERIBUS_SEL, "peribus_ck_sel", peribus_ck_parents, 0x05C, 0, 1), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x0, + }, +}; + static int mtk_topckgen_init(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -663,7 +678,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_clk_register_rst_ctrl(node, 1, 0x30, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[0]); return 0; } @@ -714,7 +729,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) clk_prepare_enable(clk_data->clks[CLK_PERI_UART0_PD]); - mtk_clk_register_rst_ctrl(node, 2, 0x0, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt7629-eth.c b/drivers/clk/mediatek/clk-mt7629-eth.c index 6baf515591f3..a6e53ce1a309 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -76,6 +76,12 @@ static const struct mtk_gate sgmii_clks[2][4] = { } }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7629_ethsys_init(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -92,7 +98,7 @@ static int clk_mt7629_ethsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7629-hif.c b/drivers/clk/mediatek/clk-mt7629-hif.c index 2f27dac66e38..db936bdb140f 100644 --- a/drivers/clk/mediatek/clk-mt7629-hif.c +++ b/drivers/clk/mediatek/clk-mt7629-hif.c @@ -71,6 +71,12 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_PCIE_P0_PIPE_EN, "pcie_p0_pipe_en", "pcie0_pipe_en", 23), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .reg_num = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -88,7 +94,7 @@ static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } @@ -110,7 +116,7 @@ static int clk_mt7629_pciesys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_clk_register_rst_ctrl(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c index fa860e3b2257..1353b1695742 100644 --- a/drivers/clk/mediatek/clk-mt8135.c +++ b/drivers/clk/mediatek/clk-mt8135.c @@ -514,6 +514,21 @@ static const struct mtk_composite peri_clks[] __initconst = { MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x0, + } +}; + static void __init mtk_topckgen_init(struct device_node *node) { struct clk_onecell_data *clk_data; @@ -559,7 +574,7 @@ static void __init mtk_infrasys_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_clk_register_rst_ctrl(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[0]); } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8135-infracfg", mtk_infrasys_init); @@ -587,7 +602,7 @@ static void __init mtk_pericfg_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_clk_register_rst_ctrl(node, 2, 0, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[1]); } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8135-pericfg", mtk_pericfg_init); diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 13ec0e4bdf5c..07e406459866 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -819,6 +819,21 @@ static const struct mtk_gate venclt_clks[] __initconst = { GATE_VENCLT(CLK_VENCLT_CKE1, "venclt_cke1", "venclt_sel", 4), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .reg_num = 2, + .reg_ofs = 0x0, + } +}; + static struct clk_onecell_data *mt8173_top_clk_data __initdata; static struct clk_onecell_data *mt8173_pll_clk_data __initdata; @@ -882,7 +897,7 @@ static void __init mtk_infrasys_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_clk_register_rst_ctrl(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[0]); } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8173-infracfg", mtk_infrasys_init); @@ -910,7 +925,7 @@ static void __init mtk_pericfg_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_clk_register_rst_ctrl(node, 2, 0, MTK_RST_SIMPLE); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc[1]); } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8173-pericfg", mtk_pericfg_init); diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index 82a0a4980180..0130f0b1ceac 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -1153,6 +1153,12 @@ static const struct mtk_pll_data plls[] = { 0, 0, 32, 8, 0x02B4, 1, 0x02BC, 0x0014, 1, 0x02B8, 0, 0x02B4), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SET_CLR, + .reg_num = 4, + .reg_ofs = INFRA_RST0_SET_OFFSET, +}; + static int clk_mt8183_apmixed_probe(struct platform_device *pdev) { struct clk_onecell_data *clk_data; @@ -1239,8 +1245,7 @@ static int clk_mt8183_infra_probe(struct platform_device *pdev) return r; } - mtk_clk_register_rst_ctrl(node, 4, - INFRA_RST0_SET_OFFSET, MTK_RST_SET_CLR); + mtk_clk_register_rst_ctrl(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c index 8e42deee80a3..d67c13958458 100644 --- a/drivers/clk/mediatek/reset.c +++ b/drivers/clk/mediatek/reset.c @@ -14,25 +14,19 @@ #include "clk-mtk.h" -struct mtk_reset { - struct regmap *regmap; - int regofs; - struct reset_controller_dev rcdev; -}; - -static inline struct mtk_reset *to_rst_data(struct reset_controller_dev *rcdev) +static inline struct mtk_clk_rst_data *to_rst_data(struct reset_controller_dev *rcdev) { - return container_of(rcdev, struct mtk_reset, rcdev); + return container_of(rcdev, struct mtk_clk_rst_data, rcdev); } static int mtk_reset_update_set_clr(struct reset_controller_dev *rcdev, unsigned long id, bool deassert) { - struct mtk_reset *data = to_rst_data(rcdev); + struct mtk_clk_rst_data *data = to_rst_data(rcdev); unsigned int deassert_ofs = deassert ? 0x4 : 0; return regmap_write(data->regmap, - data->regofs + ((id / 32) << 4) + deassert_ofs, + data->desc->reg_ofs + ((id / 32) << 4) + deassert_ofs, BIT(id % 32)); } @@ -71,14 +65,19 @@ static const struct reset_control_ops *rst_op[MTK_RST_MAX] = { }; void mtk_clk_register_rst_ctrl(struct device_node *np, - u32 reg_num, u16 reg_ofs, u8 version) + const struct mtk_clk_rst_desc *desc) { - struct mtk_reset *data; - int ret; struct regmap *regmap; + struct mtk_clk_rst_data *data; + int ret; - if (version >= MTK_RST_MAX) { - pr_err("Error version number: %d\n", version); + if (!desc) { + pr_err("mtk clock reset desc is NULL\n"); + return; + } + + if (desc->version >= MTK_RST_MAX) { + pr_err("Error version number: %d\n", desc->version); return; } @@ -92,18 +91,17 @@ void mtk_clk_register_rst_ctrl(struct device_node *np, if (!data) return; + data->desc = desc; data->regmap = regmap; - data->regofs = reg_ofs; data->rcdev.owner = THIS_MODULE; - data->rcdev.nr_resets = reg_num * 32; - data->rcdev.ops = rst_op[version]; + data->rcdev.nr_resets = desc->reg_num * 32; + data->rcdev.ops = rst_op[desc->version]; data->rcdev.of_node = np; ret = reset_controller_register(&data->rcdev); if (ret) { pr_err("could not register reset controller: %d\n", ret); kfree(data); - return; } } diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h index e4081c7217e3..3a93f61e106e 100644 --- a/drivers/clk/mediatek/reset.h +++ b/drivers/clk/mediatek/reset.h @@ -6,6 +6,7 @@ #ifndef __DRV_CLK_MTK_RESET_H #define __DRV_CLK_MTK_RESET_H +#include <linux/reset-controller.h> #include <linux/types.h> enum mtk_reset_version { @@ -14,7 +15,19 @@ enum mtk_reset_version { MTK_RST_MAX, }; +struct mtk_clk_rst_desc { + u8 version; + u32 reg_num; + u16 reg_ofs; +}; + +struct mtk_clk_rst_data { + struct regmap *regmap; + struct reset_controller_dev rcdev; + const struct mtk_clk_rst_desc *desc; +}; + void mtk_clk_register_rst_ctrl(struct device_node *np, - u32 reg_num, u16 reg_ofs, u8 version); + const struct mtk_clk_rst_desc *desc); #endif /* __DRV_CLK_MTK_RESET_H */ -- 2.18.0
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