clk: samsung: Change signature of exynos5_subcmus_init() function

In order to make it easier in subsequent patch to create different subcmu
lists for exynos5420 and exynos5800 SoCs the code is rewritten so we pass
an array of pointers to the subcmus initialization function.

Fixes: b06a532 ("clk: samsung: Add Exynos5 sub-CMU clock driver")
Tested-by: Jaafar Ali <[email protected]>
Signed-off-by: Sylwester Nawrocki <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Reviewed-by: Marek Szyprowski <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>

Author: Sylwester Nawrocki

drivers/clk/samsung/clk-exynos5-subcmu.c

@@ -14,7 +14,7 @@
 #include "clk-exynos5-subcmu.h"
 
 static struct samsung_clk_provider *ctx;
-static const struct exynos5_subcmu_info *cmu;
+static const struct exynos5_subcmu_info **cmu;
 static int nr_cmus;
 
 static void exynos5_subcmu_clk_save(void __iomem *base,
@@ -56,17 +56,17 @@ static void exynos5_subcmu_defer_gate(struct samsung_clk_provider *ctx,
  * when OF-core populates all device-tree nodes.
  */
 void exynos5_subcmus_init(struct samsung_clk_provider *_ctx, int _nr_cmus,
-			  const struct exynos5_subcmu_info *_cmu)
+			  const struct exynos5_subcmu_info **_cmu)
 {
 	ctx = _ctx;
 	cmu = _cmu;
 	nr_cmus = _nr_cmus;
 
 	for (; _nr_cmus--; _cmu++) {
-		exynos5_subcmu_defer_gate(ctx, _cmu->gate_clks,
-					  _cmu->nr_gate_clks);
-		exynos5_subcmu_clk_save(ctx->reg_base, _cmu->suspend_regs,
-					_cmu->nr_suspend_regs);
+		exynos5_subcmu_defer_gate(ctx, (*_cmu)->gate_clks,
+					  (*_cmu)->nr_gate_clks);
+		exynos5_subcmu_clk_save(ctx->reg_base, (*_cmu)->suspend_regs,
+					(*_cmu)->nr_suspend_regs);
 	}
 }
 
@@ -163,9 +163,9 @@ static int __init exynos5_clk_probe(struct platform_device *pdev)
 		if (of_property_read_string(np, "label", &name) < 0)
 			continue;
 		for (i = 0; i < nr_cmus; i++)
-			if (strcmp(cmu[i].pd_name, name) == 0)
+			if (strcmp(cmu[i]->pd_name, name) == 0)
 				exynos5_clk_register_subcmu(&pdev->dev,
-							    &cmu[i], np);
+							    cmu[i], np);
 	}
 	return 0;
 }

drivers/clk/samsung/clk-exynos5-subcmu.h

@@ -21,6 +21,6 @@ struct exynos5_subcmu_info {
 };
 
 void exynos5_subcmus_init(struct samsung_clk_provider *ctx, int nr_cmus,
-			  const struct exynos5_subcmu_info *cmu);
+			  const struct exynos5_subcmu_info **cmu);
 
 #endif

drivers/clk/samsung/clk-exynos5250.c

@@ -681,6 +681,10 @@ static const struct exynos5_subcmu_info exynos5250_disp_subcmu = {
 	.pd_name	= "DISP1",
 };
 
+static const struct exynos5_subcmu_info *exynos5250_subcmus[] = {
+	&exynos5250_disp_subcmu,
+};
+
 static const struct samsung_pll_rate_table vpll_24mhz_tbl[] __initconst = {
 	/* sorted in descending order */
 	/* PLL_36XX_RATE(rate, m, p, s, k) */
@@ -843,7 +847,8 @@ static void __init exynos5250_clk_init(struct device_node *np)
 
 	samsung_clk_sleep_init(reg_base, exynos5250_clk_regs,
 			       ARRAY_SIZE(exynos5250_clk_regs));
-	exynos5_subcmus_init(ctx, 1, &exynos5250_disp_subcmu);
+	exynos5_subcmus_init(ctx, ARRAY_SIZE(exynos5250_subcmus),
+			     exynos5250_subcmus);
 
 	samsung_clk_of_add_provider(np, ctx);
 

drivers/clk/samsung/clk-exynos5420.c

@@ -1281,32 +1281,40 @@ static struct exynos5_subcmu_reg_dump exynos5x_mfc_suspend_regs[] = {
 	{ DIV4_RATIO, 0, 0x3 },			/* DIV dout_mfc_blk */
 };
 
-static const struct exynos5_subcmu_info exynos5x_subcmus[] = {
-	{
-		.div_clks	= exynos5x_disp_div_clks,
-		.nr_div_clks	= ARRAY_SIZE(exynos5x_disp_div_clks),
-		.gate_clks	= exynos5x_disp_gate_clks,
-		.nr_gate_clks	= ARRAY_SIZE(exynos5x_disp_gate_clks),
-		.suspend_regs	= exynos5x_disp_suspend_regs,
-		.nr_suspend_regs = ARRAY_SIZE(exynos5x_disp_suspend_regs),
-		.pd_name	= "DISP",
-	}, {
-		.div_clks	= exynos5x_gsc_div_clks,
-		.nr_div_clks	= ARRAY_SIZE(exynos5x_gsc_div_clks),
-		.gate_clks	= exynos5x_gsc_gate_clks,
-		.nr_gate_clks	= ARRAY_SIZE(exynos5x_gsc_gate_clks),
-		.suspend_regs	= exynos5x_gsc_suspend_regs,
-		.nr_suspend_regs = ARRAY_SIZE(exynos5x_gsc_suspend_regs),
-		.pd_name	= "GSC",
-	}, {
-		.div_clks	= exynos5x_mfc_div_clks,
-		.nr_div_clks	= ARRAY_SIZE(exynos5x_mfc_div_clks),
-		.gate_clks	= exynos5x_mfc_gate_clks,
-		.nr_gate_clks	= ARRAY_SIZE(exynos5x_mfc_gate_clks),
-		.suspend_regs	= exynos5x_mfc_suspend_regs,
-		.nr_suspend_regs = ARRAY_SIZE(exynos5x_mfc_suspend_regs),
-		.pd_name	= "MFC",
-	},
+static const struct exynos5_subcmu_info exynos5x_disp_subcmu = {
+	.div_clks	= exynos5x_disp_div_clks,
+	.nr_div_clks	= ARRAY_SIZE(exynos5x_disp_div_clks),
+	.gate_clks	= exynos5x_disp_gate_clks,
+	.nr_gate_clks	= ARRAY_SIZE(exynos5x_disp_gate_clks),
+	.suspend_regs	= exynos5x_disp_suspend_regs,
+	.nr_suspend_regs = ARRAY_SIZE(exynos5x_disp_suspend_regs),
+	.pd_name	= "DISP",
+};
+
+static const struct exynos5_subcmu_info exynos5x_gsc_subcmu = {
+	.div_clks	= exynos5x_gsc_div_clks,
+	.nr_div_clks	= ARRAY_SIZE(exynos5x_gsc_div_clks),
+	.gate_clks	= exynos5x_gsc_gate_clks,
+	.nr_gate_clks	= ARRAY_SIZE(exynos5x_gsc_gate_clks),
+	.suspend_regs	= exynos5x_gsc_suspend_regs,
+	.nr_suspend_regs = ARRAY_SIZE(exynos5x_gsc_suspend_regs),
+	.pd_name	= "GSC",
+};
+
+static const struct exynos5_subcmu_info exynos5x_mfc_subcmu = {
+	.div_clks	= exynos5x_mfc_div_clks,
+	.nr_div_clks	= ARRAY_SIZE(exynos5x_mfc_div_clks),
+	.gate_clks	= exynos5x_mfc_gate_clks,
+	.nr_gate_clks	= ARRAY_SIZE(exynos5x_mfc_gate_clks),
+	.suspend_regs	= exynos5x_mfc_suspend_regs,
+	.nr_suspend_regs = ARRAY_SIZE(exynos5x_mfc_suspend_regs),
+	.pd_name	= "MFC",
+};
+
+static const struct exynos5_subcmu_info *exynos5x_subcmus[] = {
+	&exynos5x_disp_subcmu,
+	&exynos5x_gsc_subcmu,
+	&exynos5x_mfc_subcmu,
 };
 
 static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __initconst = {