cpufreq: s5pv210: Simplify with scoped for each OF child loop

Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.  Note that there is another part of code using "np"
variable, so scoped loop should not shadow it.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260109-of-for-each-compatible-scoped-v3-11-c22fa2c0749a@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Author: krzk

drivers/cpufreq/s5pv210-cpufreq.c

@@ -629,19 +629,17 @@ static int s5pv210_cpufreq_probe(struct platform_device *pdev)
 		goto err_clock;
 	}
 
-	for_each_compatible_node(np, NULL, "samsung,s5pv210-dmc") {
-		id = of_alias_get_id(np, "dmc");
+	for_each_compatible_node_scoped(dmc, NULL, "samsung,s5pv210-dmc") {
+		id = of_alias_get_id(dmc, "dmc");
 		if (id < 0 || id >= ARRAY_SIZE(dmc_base)) {
-			dev_err(dev, "failed to get alias of dmc node '%pOFn'\n", np);
-			of_node_put(np);
+			dev_err(dev, "failed to get alias of dmc node '%pOFn'\n", dmc);
 			result = id;
 			goto err_clk_base;
 		}
 
-		dmc_base[id] = of_iomap(np, 0);
+		dmc_base[id] = of_iomap(dmc, 0);
 		if (!dmc_base[id]) {
 			dev_err(dev, "failed to map dmc%d registers\n", id);
-			of_node_put(np);
 			result = -EFAULT;
 			goto err_dmc;
 		}