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 <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20230223041938.22732-4-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

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,

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);
 

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,

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,

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. */

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,

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);

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(