Samsung SoC clock drivers changes for 6.11

1. exynos-clkout: Remove usage of of_device_id table as .of_match_table,
    because the driver is instantiated as MFD cell, not as standalone
    platform driver.  Populated .of_match_table confused people few times
    to convert the code to device_get_match_data(), which broke the
    driver.
 
 2. Mark one of UFS clocks as critical, because having it off stops the
    system from shutdown.
 
 3. Cleanup: Use kmemdup_array() when applicable.
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Merge tag 'samsung-clk-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into clk-samsung

Pull Samsung SoC clk drivers updates from Krzysztof Kozlowski:

 - exynos-clkout: Remove usage of of_device_id table as .of_match_table,
   because the driver is instantiated as MFD cell, not as standalone
   platform driver.  Populated .of_match_table confused people few times
   to convert the code to device_get_match_data(), which broke the
   driver.
 - Mark one of UFS clocks as critical, because having it off stops the
   system from shutdown
 - Use kmemdup_array() when applicable

* tag 'samsung-clk-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  clk: samsung: gs101: mark gout_hsi2_ufs_embd_i_clk_unipro as critical
  clk: samsung: Switch to use kmemdup_array()
  clk: samsung: exynos-clkout: Remove misleading of_match_table/MODULE_DEVICE_TABLE

drivers/clk/samsung/clk-cpu.c

@@ -689,8 +689,8 @@ static int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
 	for (num_cfgs = 0; clk_data->cfg[num_cfgs].prate != 0; )
 		num_cfgs++;
 
-	cpuclk->cfg = kmemdup(clk_data->cfg, sizeof(*clk_data->cfg) * num_cfgs,
-			      GFP_KERNEL);
+	cpuclk->cfg = kmemdup_array(clk_data->cfg, num_cfgs, sizeof(*cpuclk->cfg),
+				    GFP_KERNEL);
 	if (!cpuclk->cfg) {
 		ret = -ENOMEM;
 		goto unregister_clk_nb;

drivers/clk/samsung/clk-exynos-clkout.c

@@ -17,6 +17,8 @@
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 
+#define DRV_NAME			"exynos-clkout"
+
 #define EXYNOS_CLKOUT_NR_CLKS		1
 #define EXYNOS_CLKOUT_PARENTS		32
 
@@ -75,7 +77,6 @@ static const struct of_device_id exynos_clkout_ids[] = {
 		.data = &exynos_clkout_exynos5,
 	}, { }
 };
-MODULE_DEVICE_TABLE(of, exynos_clkout_ids);
 
 /*
  * Device will be instantiated as child of PMU device without its own
@@ -236,8 +237,7 @@ static SIMPLE_DEV_PM_OPS(exynos_clkout_pm_ops, exynos_clkout_suspend,
 
 static struct platform_driver exynos_clkout_driver = {
 	.driver = {
-		.name = "exynos-clkout",
-		.of_match_table = exynos_clkout_ids,
+		.name = DRV_NAME,
 		.pm = &exynos_clkout_pm_ops,
 	},
 	.probe = exynos_clkout_probe,
@@ -248,4 +248,5 @@ module_platform_driver(exynos_clkout_driver);
 MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>");
 MODULE_AUTHOR("Tomasz Figa <tomasz.figa@gmail.com>");
 MODULE_DESCRIPTION("Samsung Exynos clock output driver");
+MODULE_ALIAS("platform:" DRV_NAME);
 MODULE_LICENSE("GPL");

drivers/clk/samsung/clk-gs101.c

@@ -2846,7 +2846,7 @@ static const struct samsung_gate_clock hsi2_gate_clks[] __initconst = {
 	GATE(CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO,
 	     "gout_hsi2_ufs_embd_i_clk_unipro", "mout_hsi2_ufs_embd_user",
 	     CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_CLK_UNIPRO,
-	     21, 0, 0),
+	     21, CLK_IS_CRITICAL, 0),
 	GATE(CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK,
 	     "gout_hsi2_ufs_embd_i_fmp_clk", "mout_hsi2_bus_user",
 	     CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_FMP_CLK,

drivers/clk/samsung/clk-pll.c

@@ -1286,10 +1286,10 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
 			len++;
 
 		pll->rate_count = len;
-		pll->rate_table = kmemdup(pll_clk->rate_table,
-					pll->rate_count *
-					sizeof(struct samsung_pll_rate_table),
-					GFP_KERNEL);
+		pll->rate_table = kmemdup_array(pll_clk->rate_table,
+						pll->rate_count,
+						sizeof(*pll->rate_table),
+						GFP_KERNEL);
 		WARN(!pll->rate_table,
 			"%s: could not allocate rate table for %s\n",
 			__func__, pll_clk->name);