gpio: Convert to use match_string() helper

The new helper returns index of the matching string in an array. We are going to use it here. Signed-off-by: Andy Shevchenko <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
cail · May 16, 2018 · 4b21f94 · 4b21f94
1 parent 6906a4f
commit 4b21f94
Showing 1 changed file with 2 additions and 5 deletions.
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
@@ -210,11 +210,8 @@ static struct gpio_desc *of_find_regulator_gpio(struct device *dev, const char *
 	if (!con_id)
 		return ERR_PTR(-ENOENT);
 
-	for (i = 0; i < ARRAY_SIZE(whitelist); i++)
-		if (!strcmp(con_id, whitelist[i]))
-			break;
-
-	if (i == ARRAY_SIZE(whitelist))
+	i = match_string(whitelist, ARRAY_SIZE(whitelist), con_id);
+	if (i < 0)
 		return ERR_PTR(-ENOENT);
 
 	desc = of_get_named_gpiod_flags(np, con_id, 0, of_flags);