pinctrl: Move for_each_maps() to namespace and hide iterator inside

First of all, while for_each_maps() is private to pin control subsystem
it's still better to have it put into a namespace.

Besides that, users are not relying on iterator variable, so hide it
inside for-loop.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221111120048.42968-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 655f950..41fd847 100644 (file)
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1029,7 +1029,6 @@ static struct pinctrl *create_pinctrl(struct device *dev,
        struct pinctrl *p;
        const char *devname;
        struct pinctrl_maps *maps_node;
-       int i;
        const struct pinctrl_map *map;
        int ret;
 
@@ -1055,7 +1054,7 @@ static struct pinctrl *create_pinctrl(struct device *dev,
 
        mutex_lock(&pinctrl_maps_mutex);
        /* Iterate over the pin control maps to locate the right ones */
-       for_each_maps(maps_node, i, map) {
+       for_each_pin_map(maps_node, map) {
                /* Map must be for this device */
                if (strcmp(map->dev_name, devname))
                        continue;
@@ -1806,13 +1805,12 @@ static inline const char *map_type(enum pinctrl_map_type type)
 static int pinctrl_maps_show(struct seq_file *s, void *what)
 {
        struct pinctrl_maps *maps_node;
-       int i;
        const struct pinctrl_map *map;
 
        seq_puts(s, "Pinctrl maps:\n");
 
        mutex_lock(&pinctrl_maps_mutex);
-       for_each_maps(maps_node, i, map) {
+       for_each_pin_map(maps_node, map) {
                seq_printf(s, "device %s\nstate %s\ntype %s (%d)\n",
                           map->dev_name, map->name, map_type(map->type),
                           map->type);

diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 4d0bdb9..5303704 100644 (file)
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -252,8 +252,8 @@ extern int pinctrl_force_default(struct pinctrl_dev *pctldev);
 extern struct mutex pinctrl_maps_mutex;
 extern struct list_head pinctrl_maps;
 
-#define for_each_maps(_maps_node_, _i_, _map_) \
-       list_for_each_entry(_maps_node_, &pinctrl_maps, node) \
-               for (_i_ = 0, _map_ = &_maps_node_->maps[_i_]; \
-                       _i_ < _maps_node_->num_maps; \
-                       _i_++, _map_ = &_maps_node_->maps[_i_])
+#define for_each_pin_map(_maps_node_, _map_)                                           \
+       list_for_each_entry(_maps_node_, &pinctrl_maps, node)                           \
+               for (unsigned int __i = 0;                                              \
+                    __i < _maps_node_->num_maps && (_map_ = &_maps_node_->maps[__i]);  \
+                    __i++)