From a4c78367f62ae36aa3529029346788cc7f5e3073 Mon Sep 17 00:00:00 2001 From: Sam Protsenko Date: Wed, 22 Feb 2023 22:19:35 -0600 Subject: [PATCH] clk: samsung: Set dev in samsung_clk_init() 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. Acked-by: Marek Szyprowski Tested-by: Marek Szyprowski Signed-off-by: Sam Protsenko Link: https://lore.kernel.org/r/20230223041938.22732-4-semen.protsenko@linaro.org Signed-off-by: Krzysztof Kozlowski --- 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 7a99941..d7dbb38 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 0b6390e..1470c15 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 f1cb69a..92fb099 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 46cac49..1e0cbf7 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 47e9d19..d27a1f7 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 b0ab6bc..cd85342 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 2436223..912dfbe 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 98753b0..3fd6c08 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( -- 2.7.4