libfdt: Bring in upstream stringlist functions

[u-boot] / drivers / pinctrl / exynos / pinctrl-exynos.c

diff --git a/drivers/pinctrl/exynos/pinctrl-exynos.c b/drivers/pinctrl/exynos/pinctrl-exynos.c
index a28405fc155fbbdeecc612ff8d7a5a06c499c7de..c9c13e68028f6272b8ceb27516ece0b369447901 100644 (file)
--- a/drivers/pinctrl/exynos/pinctrl-exynos.c
+++ b/drivers/pinctrl/exynos/pinctrl-exynos.c
@@ -71,7 +71,7 @@ int exynos_pinctrl_set_state(struct udevice *dev, struct udevice *config)
 {
        const void *fdt = gd->fdt_blob;
        int node = config->of_offset;
-       unsigned int count, idx, pin_num, ret;
+       unsigned int count, idx, pin_num;
        unsigned int pinfunc, pinpud, pindrv;
        unsigned long reg, value;
        const char *name;
@@ -80,7 +80,7 @@ int exynos_pinctrl_set_state(struct udevice *dev, struct udevice *config)
         * refer to the following document for the pinctrl bindings
         * linux/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
         */
-       count = fdt_count_strings(fdt, node, "samsung,pins");
+       count =  fdt_stringlist_count(fdt, node, "samsung,pins");
        if (count <= 0)
                return -EINVAL;
 
@@ -89,9 +89,8 @@ int exynos_pinctrl_set_state(struct udevice *dev, struct udevice *config)
        pindrv = fdtdec_get_int(fdt, node, "samsung,pin-drv", -1);
 
        for (idx = 0; idx < count; idx++) {
-               ret = fdt_get_string_index(fdt, node, "samsung,pins",
-                                               idx, &name);
-               if (ret < 0)
+               name = fdt_stringlist_get(fdt, node, "samsung,pins", idx, NULL);
+               if (!name)
                        continue;
                reg = pin_to_bank_base(dev, name, &pin_num);