ARM: shmobile: rcar-gen2: Use of_phandle_args_equal() helper

Use the existing of_phandle_args_equal() helper instead of open-coding
the same operation.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Link: https://patch.msgid.link/d8338ff1fd795912b466ccf55b49dcd6885b6925.1773241833.git.geert+renesas@glider.be

Author: geertu

arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c

@@ -141,7 +141,7 @@ static struct notifier_block regulator_quirk_nb = {
 static int __init rcar_gen2_regulator_quirk(void)
 {
 	struct regulator_quirk *quirk, *pos, *tmp;
-	struct of_phandle_args *argsa, *argsb;
+	struct of_phandle_args *args;
 	const struct of_device_id *id;
 	struct device_node *np;
 	u32 mon, addr;
@@ -171,30 +171,22 @@ static int __init rcar_gen2_regulator_quirk(void)
 			goto err_mem;
 		}
 
-		argsa = &quirk->irq_args;
+		args = &quirk->irq_args;
 		memcpy(&quirk->i2c_msg, id->data, sizeof(quirk->i2c_msg));
 
 		quirk->id = id;
 		quirk->np = of_node_get(np);
 		quirk->i2c_msg.addr = addr;
 
-		ret = of_irq_parse_one(np, 0, argsa);
+		ret = of_irq_parse_one(np, 0, args);
 		if (ret) {	/* Skip invalid entry and continue */
 			of_node_put(np);
 			kfree(quirk);
 			continue;
 		}
 
 		list_for_each_entry(pos, &quirk_list, list) {
-			argsb = &pos->irq_args;
-
-			if (argsa->args_count != argsb->args_count)
-				continue;
-
-			ret = memcmp(argsa->args, argsb->args,
-				     argsa->args_count *
-				     sizeof(argsa->args[0]));
-			if (!ret) {
+			if (of_phandle_args_equal(args, &pos->irq_args)) {
 				pos->shared = true;
 				quirk->shared = true;
 			}