From patchwork Wed Feb 8 23:43:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 13133796 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46DB6C64EC4 for ; Wed, 8 Feb 2023 23:43:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229804AbjBHXnM (ORCPT ); Wed, 8 Feb 2023 18:43:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229827AbjBHXnF (ORCPT ); Wed, 8 Feb 2023 18:43:05 -0500 Received: from mail-oo1-xc2c.google.com (mail-oo1-xc2c.google.com [IPv6:2607:f8b0:4864:20::c2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F1681C5B7 for ; Wed, 8 Feb 2023 15:43:00 -0800 (PST) Received: by mail-oo1-xc2c.google.com with SMTP id w3-20020a4aa443000000b0051ac1e0f6b7so59998ool.11 for ; Wed, 08 Feb 2023 15:43:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=5jCJhdLbW2RQNs5IFAF6sXee3DGnrSicdVM+kwite9A=; b=aIsK4k6UuIa608h5e7Ti7pAohbKQX+x1VwiShBoWVHle5KJ6n4eSGjIRZripbbwxmm V0K1mrYsUP/41I+3sun+CO7r2hEXfpwdc+mXx01FIUDew83KEiKRJ2b7mgbC9FIFglB1 kbjQmms3mMJlU337i7yJLzWYwTBgsOAVVdPoAnQz/3v2vPaxRyE8U8VLTu3AGDLichsG x+k6HqU5z3j5GVy8mjkvXr7R+NQM+8HU8JTU1OpsltCie992yDPQm3WM49tISn6xUtXU 3WNDuzQHCRxQFhY+MpfDZcaCy1XOmVug347gDKiHjAO4ZqpXTeOVDR7sgXoY5EFInZEH zl8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=5jCJhdLbW2RQNs5IFAF6sXee3DGnrSicdVM+kwite9A=; b=Xdb5jPKYbdUubZUS5VGvxco8USY0WqrIbkYUYTB5lbs5DCaZpf4YXwQ1o/xZsuVaFq Soqfa3VPwqV4odCTPhDF9f2d8oN0ynjHwjwDV26k83XJUuj2sSUt+/tMw+7ac19/nAOo Ek45qhb5qYbhwRpRsJ5I3ASzZjcI5l/mn8DJBTKskNsrgfplYPTn0+jrNe91gLIOUgOv lSb9bjFUKMWk5ZC6eyQu4+ijSGT6Tx5A8kMX/g/maWOUaVrmQA7Y00Q+pUFPJPCoCCe7 n7K1sQzLd2QPszGlNHWRzqmqqipIhYTcfC6D8Bm5nIVzjqX0DB6N7TRdzSF+ZP3FA/Eg 6Bgg== X-Gm-Message-State: AO0yUKUZAzaGK1iYObachBEVacwt0hQfUthEXQ+RqT36PYQTZyRj+a+J xi18Peak6JO2+v+m+7cPt37FIQ== X-Google-Smtp-Source: AK7set+ujAU2/+ND9zB9ndCu6E+rgIfdMz5QGzKWl97oBfjaFxSDS44oYnHUFq/3rddCOV3t3/gCzg== X-Received: by 2002:a4a:a748:0:b0:516:f374:443f with SMTP id h8-20020a4aa748000000b00516f374443fmr3963391oom.8.1675899779240; Wed, 08 Feb 2023 15:42:59 -0800 (PST) Received: from localhost ([136.49.140.41]) by smtp.gmail.com with ESMTPSA id p17-20020a4a95d1000000b0050dc3c2f77asm8011011ooi.8.2023.02.08.15.42.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Feb 2023 15:42:58 -0800 (PST) From: Sam Protsenko To: Marek Szyprowski , Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi Cc: Tomasz Figa , Alim Akhtar , Chanho Park , David Virag , Sumit Semwal , Michael Turquette , Stephen Boyd , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/6] clk: samsung: Set dev in samsung_clk_init() Date: Wed, 8 Feb 2023 17:43:10 -0600 Message-Id: <20230208234313.23863-4-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230208234313.23863-1-semen.protsenko@linaro.org> References: <20230208234313.23863-1-semen.protsenko@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Some drivers set dev to context in order to implement PM. Make that part of samsung_clk_init() instead of assigning `ctx->dev = dev' separately. No functional change. Tested-by: Marek Szyprowski Signed-off-by: Sam Protsenko --- Changes in v2: - Rebased on top of latest soc/for-next tree drivers/clk/samsung/clk-exynos4.c | 2 +- drivers/clk/samsung/clk-exynos4412-isp.c | 3 +-- drivers/clk/samsung/clk-exynos5250.c | 2 +- drivers/clk/samsung/clk-exynos5420.c | 2 +- drivers/clk/samsung/clk-s3c64xx.c | 2 +- drivers/clk/samsung/clk-s5pv210.c | 2 +- drivers/clk/samsung/clk.c | 19 +++++++++++++++---- drivers/clk/samsung/clk.h | 5 +++-- 8 files changed, 24 insertions(+), 13 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 7a9994144d72..d7dbb3858347 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1251,7 +1251,7 @@ static void __init exynos4_clk_init(struct device_node *np, if (!reg_base) panic("%s: failed to map registers\n", __func__); - ctx = samsung_clk_init(reg_base, CLK_NR_CLKS); + ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS); hws = ctx->clk_data.hws; samsung_clk_of_register_fixed_ext(ctx, exynos4_fixed_rate_ext_clks, diff --git a/drivers/clk/samsung/clk-exynos4412-isp.c b/drivers/clk/samsung/clk-exynos4412-isp.c index 0b6390e04533..1470c15e95da 100644 --- a/drivers/clk/samsung/clk-exynos4412-isp.c +++ b/drivers/clk/samsung/clk-exynos4412-isp.c @@ -121,8 +121,7 @@ static int __init exynos4x12_isp_clk_probe(struct platform_device *pdev) if (!exynos4x12_save_isp) return -ENOMEM; - ctx = samsung_clk_init(reg_base, CLK_NR_ISP_CLKS); - ctx->dev = dev; + ctx = samsung_clk_init(dev, reg_base, CLK_NR_ISP_CLKS); platform_set_drvdata(pdev, ctx); diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index f1cb69aea10e..92fb09922f28 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -797,7 +797,7 @@ static void __init exynos5250_clk_init(struct device_node *np) panic("%s: unable to determine soc\n", __func__); } - ctx = samsung_clk_init(reg_base, CLK_NR_CLKS); + ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS); hws = ctx->clk_data.hws; samsung_clk_of_register_fixed_ext(ctx, exynos5250_fixed_rate_ext_clks, diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 46cac4980be2..1e0cbf762408 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1587,7 +1587,7 @@ static void __init exynos5x_clk_init(struct device_node *np, exynos5x_soc = soc; - ctx = samsung_clk_init(reg_base, CLK_NR_CLKS); + ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS); hws = ctx->clk_data.hws; samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks, diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c index 47e9d19486dc..d27a1f73f077 100644 --- a/drivers/clk/samsung/clk-s3c64xx.c +++ b/drivers/clk/samsung/clk-s3c64xx.c @@ -405,7 +405,7 @@ void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, panic("%s: failed to map registers\n", __func__); } - ctx = samsung_clk_init(reg_base, NR_CLKS); + ctx = samsung_clk_init(NULL, reg_base, NR_CLKS); hws = ctx->clk_data.hws; /* Register external clocks. */ diff --git a/drivers/clk/samsung/clk-s5pv210.c b/drivers/clk/samsung/clk-s5pv210.c index b0ab6bc9d21d..cd85342e4ddb 100644 --- a/drivers/clk/samsung/clk-s5pv210.c +++ b/drivers/clk/samsung/clk-s5pv210.c @@ -743,7 +743,7 @@ static void __init __s5pv210_clk_init(struct device_node *np, struct samsung_clk_provider *ctx; struct clk_hw **hws; - ctx = samsung_clk_init(reg_base, NR_CLKS); + ctx = samsung_clk_init(NULL, reg_base, NR_CLKS); hws = ctx->clk_data.hws; samsung_clk_register_mux(ctx, early_mux_clks, diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c index 2436223aac1a..912dfbe5ac20 100644 --- a/drivers/clk/samsung/clk.c +++ b/drivers/clk/samsung/clk.c @@ -53,9 +53,19 @@ struct samsung_clk_reg_dump *samsung_clk_alloc_reg_dump( return rd; } -/* setup the essentials required to support clock lookup using ccf */ -struct samsung_clk_provider * __init samsung_clk_init(void __iomem *base, - unsigned long nr_clks) +/** + * samsung_clk_init() - Create and initialize a clock provider object + * @dev: CMU device to enable runtime PM, or NULL if RPM is not needed + * @base: Start address (mapped) of CMU registers + * @nr_clks: Total clock count to allocate in clock provider object + * + * Setup the essentials required to support clock lookup using Common Clock + * Framework. + * + * Return: Allocated and initialized clock provider object. + */ +struct samsung_clk_provider * __init samsung_clk_init(struct device *dev, + void __iomem *base, unsigned long nr_clks) { struct samsung_clk_provider *ctx; int i; @@ -67,6 +77,7 @@ struct samsung_clk_provider * __init samsung_clk_init(void __iomem *base, for (i = 0; i < nr_clks; ++i) ctx->clk_data.hws[i] = ERR_PTR(-ENOENT); + ctx->dev = dev; ctx->reg_base = base; ctx->clk_data.num = nr_clks; spin_lock_init(&ctx->lock); @@ -341,7 +352,7 @@ struct samsung_clk_provider * __init samsung_cmu_register_one( return NULL; } - ctx = samsung_clk_init(reg_base, cmu->nr_clk_ids); + ctx = samsung_clk_init(NULL, reg_base, cmu->nr_clk_ids); if (cmu->pll_clks) samsung_clk_register_pll(ctx, cmu->pll_clks, cmu->nr_pll_clks); diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h index 98753b0e5055..3fd6c0868921 100644 --- a/drivers/clk/samsung/clk.h +++ b/drivers/clk/samsung/clk.h @@ -16,6 +16,7 @@ /** * struct samsung_clk_provider: information about clock provider * @reg_base: virtual address for the register base. + * @dev: clock provider device needed for runtime PM. * @lock: maintains exclusion between callbacks for a given clock-provider. * @clk_data: holds clock related data like clk_hw* and number of clocks. */ @@ -337,8 +338,8 @@ struct samsung_cmu_info { const char *clk_name; }; -struct samsung_clk_provider *samsung_clk_init(void __iomem *base, - unsigned long nr_clks); +struct samsung_clk_provider *samsung_clk_init(struct device *dev, + void __iomem *base, unsigned long nr_clks); void samsung_clk_of_add_provider(struct device_node *np, struct samsung_clk_provider *ctx); void samsung_clk_of_register_fixed_ext(