From nobody Wed Dec 17 12:12:47 2025 Received: from mail-il1-f176.google.com (mail-il1-f176.google.com [209.85.166.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4195F1EDA10 for ; Fri, 28 Mar 2025 21:02:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.176 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743195764; cv=none; b=ifVsJIx5WhWR3RedbpouiS9NfHaQtfU9y180E6uQLjuYyvoizgG91vVhF0RAEAKCdAH4+uHqseMqExEBX0sLLlV49dvQ/kLVmfBOwrk5sTTV+ArCp6RzburM8jUC+iNXp3mw+913Hq2iBsaEdPGlAGD10A0oO81RsDgBd9GGSLs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743195764; c=relaxed/simple; bh=Ec7ELQSkAROQJoS+vq5l82oFVLr/jq3pUStBlMRR2r0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OrIijrMwOSEuYS6DFaJnUUPMS8+ra0FoTm7e53hFWAgYLGFbq9NTL5sd67djB6EigTy9+mLu82z9TcS/JuofW6opmT8hw2TRvLRndxpWMtRhMwi9ltqJSgToex6Pifdtko0b34cMwYZ3toP/sUeIG+48K1UBkbT4UMDuyFa9bsQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=riscstar.com; spf=pass smtp.mailfrom=riscstar.com; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b=onsl8lrE; arc=none smtp.client-ip=209.85.166.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=riscstar.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=riscstar.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b="onsl8lrE" Received: by mail-il1-f176.google.com with SMTP id e9e14a558f8ab-3cfeff44d94so9002815ab.0 for ; Fri, 28 Mar 2025 14:02:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=riscstar-com.20230601.gappssmtp.com; s=20230601; t=1743195760; x=1743800560; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4EIFREDKUdAp5cmkKXroBOp9ZjEFUNtcVcLKCQaMF1U=; b=onsl8lrEP94kF47onfIfDGM9aX5DZqa65YVA3jphe4SiDn3K4JABMivzq3YGf17Gca jfKdkrC8IrhmFURbGKs0zGAhj/dcVT3NuUE4/nBi4Fo2XgqKfpHE4GjYqRsj3l4wWvW/ TIr8VJMb+0/ADO1TPF/Uf41mRF/XXuZ7Ly11eDlixGXBLaOzvXfdVFHuvffliKGltXGJ NwcywS36uNMi/qIykBxA6XpXhDtnBc6AZs33KaL26IZOCOIJfScgyX56NIsfQZoVqT8q jlrrIZoPEwcXMJzLkUTsFQLL3pfc+RBeOCUqYUOzwuROcSZqYxSaS//aGA6eoi+eTS/R 4HZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743195760; x=1743800560; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4EIFREDKUdAp5cmkKXroBOp9ZjEFUNtcVcLKCQaMF1U=; b=U+v5mi3YW5U63uj0Ece7CRUQYjg0yj7ViUmgSZK79AV4L09tIiui2Zx+lcCBu2Ws+t OK+ikcCsmz4GoLSOrNQNaM3XEbm6XsJZPvAWLqjKyVnvJqKcJdfFZda+qmUeelfw+aKr 75u09EiCnB/waAmUYo5IkwhVA51vba5GqcxXY4/xmsoCCqujdW692BCDvvehNRB9MQ4O 3eN2+HuejbJbXhvkGsHFNfvZ9s6FDOvjrVC0umLmjxdWTeCoISzBtAoz9wSeyhjy6TeF jCWK/dNp3XwGzJ5y2wdW4lp5D5f0cIM72pjRyIa3yt2/hZOIxJBozZQZmEe3eh45pk+D pKww== X-Forwarded-Encrypted: i=1; AJvYcCX8BwesCWK6QhrY+7NojureEFX6OgwybEFQqBAJpzdor2KNcslxQ8+gAxPUC5Ix+LYm0aAW0XxVl0WUXDo=@vger.kernel.org X-Gm-Message-State: AOJu0YwmfWPaUUg8C+O8BOqqusMkHFaD+FMDWr2MizGRipnI/nWaE7eR ITPtN4/wQWpZoqj2ioyzC/EGKDEDfQojWdt9sxyFgccOuxIYS0LptUCxiY9yaZQ= X-Gm-Gg: ASbGncuF39Thb7Jr9gdPi9g6pKttNn2uyzHbXsno9W9sbxonWAEr8Ts1q9Csp0WObQA Thol/9PfpDG3C5CCMWfUUIHxoxp5NTbP1qWS2ccEimdZwYjsK2uMANAqnkcvXklh5l6VkdFnM4D jRP3BUKeSImeWKsV8fiS3xIOPbak902CtZr5rDLd7JuFc8A/zhjNjQ8EmlC0gvZA4Oy3fp014rn MC9OioTX1QrNnNYwZGLkaw5iUaBcQOOCTlH7McCrE0eTVFa77I01LJBlhOjNew9573CYzg+qmnl BXSoPJdz0c0GQ6r0cShvP32jRA20JoO7/DURrXSk/qq6kBR7BweTcP44bcJJn9fPcD0TlXrPcYk 5aZbBBvGNlwHl4KKgZw== X-Google-Smtp-Source: AGHT+IGv/tQ9yOo+nSa2AdmuIJoHsAcKRHvpATkGTYnJegSwl7f8akCnzw41qA7R6W+uGcKVHvpvvQ== X-Received: by 2002:a05:6e02:3906:b0:3d3:eeec:8a0b with SMTP id e9e14a558f8ab-3d5e091406dmr8990475ab.10.1743195760197; Fri, 28 Mar 2025 14:02:40 -0700 (PDT) Received: from localhost.localdomain (c-73-228-159-35.hsd1.mn.comcast.net. [73.228.159.35]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3d5d5a74286sm6769405ab.39.2025.03.28.14.02.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Mar 2025 14:02:39 -0700 (PDT) From: Alex Elder To: p.zabel@pengutronix.de, mturquette@baylibre.com, sboyd@kernel.org, dlan@gentoo.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heylenay@4d2.org, guodong@riscstar.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, spacemit@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/7] clk: spacemit: define struct spacemit_ccu_data Date: Fri, 28 Mar 2025 16:02:27 -0500 Message-ID: <20250328210233.1077035-3-elder@riscstar.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250328210233.1077035-1-elder@riscstar.com> References: <20250328210233.1077035-1-elder@riscstar.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Define a new structure type to be used for describing the OF match data. Rather than using the array of spacemit_ccu_clk structures for match data, we use this structure instead. Move the definition of the spacemit_ccu_clk structure closer to the top of the source file, and add the new structure definition below it. Signed-off-by: Alex Elder --- v2: - New structure is called spacemit_ccu_data, not k1_ccu_data - Don't check for a null match data pointer; add a comment instead drivers/clk/spacemit/ccu-k1.c | 55 ++++++++++++++++++++++++++--------- 1 file changed, 41 insertions(+), 14 deletions(-) diff --git a/drivers/clk/spacemit/ccu-k1.c b/drivers/clk/spacemit/ccu-k1.c index 44db48ae71313..5cadb395a7dd6 100644 --- a/drivers/clk/spacemit/ccu-k1.c +++ b/drivers/clk/spacemit/ccu-k1.c @@ -129,6 +129,15 @@ #define APMU_EMAC0_CLK_RES_CTRL 0x3e4 #define APMU_EMAC1_CLK_RES_CTRL 0x3ec =20 +struct spacemit_ccu_clk { + int id; + struct clk_hw *hw; +}; + +struct spacemit_ccu_data { + struct spacemit_ccu_clk *clk; /* array with sentinel */ +}; + /* APBS clocks start */ =20 /* Frequency of pll{1,2} should not be updated at runtime */ @@ -1359,11 +1368,6 @@ static CCU_GATE_DEFINE(emmc_bus_clk, CCU_PARENT_HW(p= mua_aclk), 0); /* APMU clocks end */ =20 -struct spacemit_ccu_clk { - int id; - struct clk_hw *hw; -}; - static struct spacemit_ccu_clk k1_ccu_apbs_clks[] =3D { { CLK_PLL1, &pll1.common.hw }, { CLK_PLL2, &pll2.common.hw }, @@ -1403,6 +1407,10 @@ static struct spacemit_ccu_clk k1_ccu_apbs_clks[] = =3D { { 0, NULL }, }; =20 +static const struct spacemit_ccu_data k1_ccu_apbs_data =3D { + .clk =3D k1_ccu_apbs_clks, +}; + static struct spacemit_ccu_clk k1_ccu_mpmu_clks[] =3D { { CLK_PLL1_307P2, &pll1_d8_307p2.common.hw }, { CLK_PLL1_76P8, &pll1_d32_76p8.common.hw }, @@ -1440,6 +1448,10 @@ static struct spacemit_ccu_clk k1_ccu_mpmu_clks[] = =3D { { 0, NULL }, }; =20 +static const struct spacemit_ccu_data k1_ccu_mpmu_data =3D { + .clk =3D k1_ccu_mpmu_clks, +}; + static struct spacemit_ccu_clk k1_ccu_apbc_clks[] =3D { { CLK_UART0, &uart0_clk.common.hw }, { CLK_UART2, &uart2_clk.common.hw }, @@ -1544,6 +1556,10 @@ static struct spacemit_ccu_clk k1_ccu_apbc_clks[] = =3D { { 0, NULL }, }; =20 +static const struct spacemit_ccu_data k1_ccu_apbc_data =3D { + .clk =3D k1_ccu_apbc_clks, +}; + static struct spacemit_ccu_clk k1_ccu_apmu_clks[] =3D { { CLK_CCI550, &cci550_clk.common.hw }, { CLK_CPU_C0_HI, &cpu_c0_hi_clk.common.hw }, @@ -1610,9 +1626,13 @@ static struct spacemit_ccu_clk k1_ccu_apmu_clks[] = =3D { { 0, NULL }, }; =20 +static const struct spacemit_ccu_data k1_ccu_apmu_data =3D { + .clk =3D k1_ccu_apmu_clks, +}; + static int spacemit_ccu_register(struct device *dev, struct regmap *regmap, struct regmap *lock_regmap, - const struct spacemit_ccu_clk *clks) + struct spacemit_ccu_clk *clks) { const struct spacemit_ccu_clk *clk; int i, ret, max_id =3D 0; @@ -1648,15 +1668,22 @@ static int spacemit_ccu_register(struct device *dev, =20 clk_data->num =3D max_id + 1; =20 - return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_data); + ret =3D devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_data); + if (ret) + dev_err(dev, "error %d adding clock hardware provider\n", ret); + + return ret; } =20 static int k1_ccu_probe(struct platform_device *pdev) { struct regmap *base_regmap, *lock_regmap =3D NULL; + const struct spacemit_ccu_data *data; struct device *dev =3D &pdev->dev; int ret; =20 + data =3D of_device_get_match_data(dev); + base_regmap =3D device_node_to_regmap(dev->of_node); if (IS_ERR(base_regmap)) return dev_err_probe(dev, PTR_ERR(base_regmap), @@ -1677,32 +1704,32 @@ static int k1_ccu_probe(struct platform_device *pde= v) "failed to get lock regmap\n"); } =20 - ret =3D spacemit_ccu_register(dev, base_regmap, lock_regmap, - of_device_get_match_data(dev)); + ret =3D spacemit_ccu_register(dev, base_regmap, lock_regmap, data->clk); if (ret) return dev_err_probe(dev, ret, "failed to register clocks\n"); =20 return 0; } =20 +/* The match data is required to be non-null, and have a non-null clk poin= ter */ static const struct of_device_id of_k1_ccu_match[] =3D { { .compatible =3D "spacemit,k1-pll", - .data =3D k1_ccu_apbs_clks, + .data =3D &k1_ccu_apbs_data, }, { .compatible =3D "spacemit,k1-syscon-mpmu", - .data =3D k1_ccu_mpmu_clks, + .data =3D &k1_ccu_mpmu_data, }, { .compatible =3D "spacemit,k1-syscon-apbc", - .data =3D k1_ccu_apbc_clks, + .data =3D &k1_ccu_apbc_data, }, { .compatible =3D "spacemit,k1-syscon-apmu", - .data =3D k1_ccu_apmu_clks, + .data =3D &k1_ccu_apmu_data, }, - { } + { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, of_k1_ccu_match); =20 --=20 2.45.2