From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B0E71F75AC; Tue, 3 Dec 2024 16:01:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733241660; cv=none; b=HBcr0UYTp5rPLxLGZbnlRTu5VYM1MvOGCQ6Fy8LTc2Nji+b6QRmPZGH331YmXJNhqbZFHIA0/x5HBzdQ1Ay/UMS62dbyMOvkIpp81PgvP0d0G5JBO5i+ohknt9eGn3XY2BLVlo3vmZ7Zo1dCCeK515ouJowJIzQWz7lwbUNG1SM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733241660; c=relaxed/simple; bh=C81ZVxQb9D1qlei+9YgNfqnzMESFRbeCPowNH34zFLA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IzA2HhPWf4jeT8nddhMSKxg2H0crUSVsl3BHaZtLVYfu2AOCA24atMldWjnozOHLxsqUaUvoT8xaSs8ugpyHojQFZXhQ7rCiYyns2s8EIzipam7bJf5MnPDN+k8glW48Zt24cVCFa30+iak99rau183GKRqCcKRsTAUQbnqDV0U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BYbP7yGa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="BYbP7yGa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD07DC4CECF; Tue, 3 Dec 2024 16:00:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1733241660; bh=C81ZVxQb9D1qlei+9YgNfqnzMESFRbeCPowNH34zFLA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BYbP7yGakLy0Qq3UdC8y1XmktOdwWEaafmjAqPHW5UE37D6Kb0t0EmaQg77VZ+ADq wxTtjZCFlo4e73O5pH4a2tehu7GpVKpI3KIZ76je9bFMXhdFOjvHNkqs6cH8viKRLi 2hwhQev0B7santfaPe4oYN2/kfm0khVbNH2ZaW2A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lorenzo Bianconi , Stephen Boyd , Sasha Levin Subject: [PATCH 6.12 451/826] clk: en7523: move clock_register in hw_init callback Date: Tue, 3 Dec 2024 15:42:58 +0100 Message-ID: <20241203144801.351467662@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241203144743.428732212@linuxfoundation.org> References: <20241203144743.428732212@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lorenzo Bianconi [ Upstream commit b8bdfc666bc5f58caf46e67b615132fccbaca3d4 ] Move en7523_register_clocks routine in hw_init callback. Introduce en7523_clk_hw_init callback for EN7523 SoC. This is a preliminary patch to differentiate IO mapped region between EN7523 and EN7581 SoCs in order to access chip-scu IO region <0x1fa20000 0x384> on EN7581 SoC as syscon device since it contains miscellaneous registers needed by multiple devices (clock, pinctrl ..). Signed-off-by: Lorenzo Bianconi Link: https://lore.kernel.org/r/20241112-clk-en7581-syscon-v2-3-8ada5e394ae4@kernel.org Signed-off-by: Stephen Boyd Stable-dep-of: f98eded9e9ab ("clk: en7523: fix estimation of fixed rate for EN7581") Signed-off-by: Sasha Levin --- drivers/clk/clk-en7523.c | 82 ++++++++++++++++++++++++---------------- 1 file changed, 50 insertions(+), 32 deletions(-) diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c index ec6716844fdcf..da112c9fe8ef9 100644 --- a/drivers/clk/clk-en7523.c +++ b/drivers/clk/clk-en7523.c @@ -78,7 +78,8 @@ struct en_clk_soc_data { const u16 *idx_map; u16 idx_map_nr; } reset; - int (*hw_init)(struct platform_device *pdev, void __iomem *np_base); + int (*hw_init)(struct platform_device *pdev, + struct clk_hw_onecell_data *clk_data); }; static const u32 gsw_base[] = { 400000000, 500000000 }; @@ -406,20 +407,6 @@ static void en7581_pci_disable(struct clk_hw *hw) usleep_range(1000, 2000); } -static int en7581_clk_hw_init(struct platform_device *pdev, - void __iomem *np_base) -{ - u32 val; - - val = readl(np_base + REG_NP_SCU_SSTR); - val &= ~(REG_PCIE_XSI0_SEL_MASK | REG_PCIE_XSI1_SEL_MASK); - writel(val, np_base + REG_NP_SCU_SSTR); - val = readl(np_base + REG_NP_SCU_PCIC); - writel(val | 3, np_base + REG_NP_SCU_PCIC); - - return 0; -} - static void en7523_register_clocks(struct device *dev, struct clk_hw_onecell_data *clk_data, void __iomem *base, void __iomem *np_base) { @@ -449,6 +436,49 @@ static void en7523_register_clocks(struct device *dev, struct clk_hw_onecell_dat clk_data->num = EN7523_NUM_CLOCKS; } +static int en7523_clk_hw_init(struct platform_device *pdev, + struct clk_hw_onecell_data *clk_data) +{ + void __iomem *base, *np_base; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + np_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(np_base)) + return PTR_ERR(np_base); + + en7523_register_clocks(&pdev->dev, clk_data, base, np_base); + + return 0; +} + +static int en7581_clk_hw_init(struct platform_device *pdev, + struct clk_hw_onecell_data *clk_data) +{ + void __iomem *base, *np_base; + u32 val; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + np_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(np_base)) + return PTR_ERR(np_base); + + en7523_register_clocks(&pdev->dev, clk_data, base, np_base); + + val = readl(np_base + REG_NP_SCU_SSTR); + val &= ~(REG_PCIE_XSI0_SEL_MASK | REG_PCIE_XSI1_SEL_MASK); + writel(val, np_base + REG_NP_SCU_SSTR); + val = readl(np_base + REG_NP_SCU_PCIC); + writel(val | 3, np_base + REG_NP_SCU_PCIC); + + return 0; +} + static int en7523_reset_update(struct reset_controller_dev *rcdev, unsigned long id, bool assert) { @@ -543,31 +573,18 @@ static int en7523_clk_probe(struct platform_device *pdev) struct device_node *node = pdev->dev.of_node; const struct en_clk_soc_data *soc_data; struct clk_hw_onecell_data *clk_data; - void __iomem *base, *np_base; int r; - base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(base)) - return PTR_ERR(base); - - np_base = devm_platform_ioremap_resource(pdev, 1); - if (IS_ERR(np_base)) - return PTR_ERR(np_base); - - soc_data = device_get_match_data(&pdev->dev); - if (soc_data->hw_init) { - r = soc_data->hw_init(pdev, np_base); - if (r) - return r; - } - clk_data = devm_kzalloc(&pdev->dev, struct_size(clk_data, hws, EN7523_NUM_CLOCKS), GFP_KERNEL); if (!clk_data) return -ENOMEM; - en7523_register_clocks(&pdev->dev, clk_data, base, np_base); + soc_data = device_get_match_data(&pdev->dev); + r = soc_data->hw_init(pdev, clk_data); + if (r) + return r; r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) @@ -590,6 +607,7 @@ static const struct en_clk_soc_data en7523_data = { .prepare = en7523_pci_prepare, .unprepare = en7523_pci_unprepare, }, + .hw_init = en7523_clk_hw_init, }; static const struct en_clk_soc_data en7581_data = { -- 2.43.0