pinctrl: abx500: use helpers for map allocation/free

This switches the abx500 driver to use the pin control helper
utils for allocating and free:ing maps.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c
index b028982..be95f5e 100644 (file)
--- a/drivers/pinctrl/nomadik/pinctrl-abx500.c
+++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c
@@ -34,6 +34,7 @@
 #include "pinctrl-abx500.h"
 #include "../core.h"
 #include "../pinconf.h"
+#include "../pinctrl-utils.h"
 
 /*
  * The AB9540 and AB8540 GPIO support are extended versions
@@ -827,41 +828,6 @@ static void abx500_pin_dbg_show(struct pinctrl_dev *pctldev,
                                 chip->base + offset - 1);
 }
 
-static void abx500_dt_free_map(struct pinctrl_dev *pctldev,
-               struct pinctrl_map *map, unsigned num_maps)
-{
-       int i;
-
-       for (i = 0; i < num_maps; i++)
-               if (map[i].type == PIN_MAP_TYPE_CONFIGS_PIN)
-                       kfree(map[i].data.configs.configs);
-       kfree(map);
-}
-
-static int abx500_dt_reserve_map(struct pinctrl_map **map,
-               unsigned *reserved_maps,
-               unsigned *num_maps,
-               unsigned reserve)
-{
-       unsigned old_num = *reserved_maps;
-       unsigned new_num = *num_maps + reserve;
-       struct pinctrl_map *new_map;
-
-       if (old_num >= new_num)
-               return 0;
-
-       new_map = krealloc(*map, sizeof(*new_map) * new_num, GFP_KERNEL);
-       if (!new_map)
-               return -ENOMEM;
-
-       memset(new_map + old_num, 0, (new_num - old_num) * sizeof(*new_map));
-
-       *map = new_map;
-       *reserved_maps = new_num;
-
-       return 0;
-}
-
 static int abx500_dt_add_map_mux(struct pinctrl_map **map,
                unsigned *reserved_maps,
                unsigned *num_maps, const char *group,
@@ -958,7 +924,8 @@ static int abx500_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 
        reserve *= ret;
 
-       ret = abx500_dt_reserve_map(map, reserved_maps, num_maps, reserve);
+       ret = pinctrl_utils_reserve_map(pctldev, map, reserved_maps,
+                                       num_maps, reserve);
        if (ret < 0)
                goto exit;
 
@@ -999,7 +966,7 @@ static int abx500_dt_node_to_map(struct pinctrl_dev *pctldev,
                ret = abx500_dt_subnode_to_map(pctldev, np, map,
                                &reserved_maps, num_maps);
                if (ret < 0) {
-                       abx500_dt_free_map(pctldev, *map, *num_maps);
+                       pinctrl_utils_dt_free_map(pctldev, *map, *num_maps);
                        return ret;
                }
        }
@@ -1013,7 +980,7 @@ static const struct pinctrl_ops abx500_pinctrl_ops = {
        .get_group_pins = abx500_get_group_pins,
        .pin_dbg_show = abx500_pin_dbg_show,
        .dt_node_to_map = abx500_dt_node_to_map,
-       .dt_free_map = abx500_dt_free_map,
+       .dt_free_map = pinctrl_utils_dt_free_map,
 };
 
 static int abx500_pin_config_get(struct pinctrl_dev *pctldev,