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Merge branch 'ib-pinctrl-unreg-mappings' into devel

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This commit is contained in:
Linus Walleij 2019-12-30 14:27:53 +01:00
commit d77552d93c
5 changed files with 25 additions and 33 deletions
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2
arch/arm/mach-u300/core.c
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@ -201,7 +201,7 @@ static unsigned long pin_highz_conf[] = {
};
/* Pin control settings */
static struct pinctrl_map __initdata u300_pinmux_map[] = {
static const struct pinctrl_map u300_pinmux_map[] = {
/* anonymous maps for chip power and EMIFs */
PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "power"),
PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif0"),

43
drivers/pinctrl/core.c
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@ -1376,8 +1376,15 @@ void devm_pinctrl_put(struct pinctrl *p)
}
EXPORT_SYMBOL_GPL(devm_pinctrl_put);
int pinctrl_register_map(const struct pinctrl_map *maps, unsigned num_maps,
bool dup)
/**
* pinctrl_register_mappings() - register a set of pin controller mappings
* @maps: the pincontrol mappings table to register. Note the pinctrl-core
* keeps a reference to the passed in maps, so they should _not_ be
* marked with __initdata.
* @num_maps: the number of maps in the mapping table
*/
int pinctrl_register_mappings(const struct pinctrl_map *maps,
unsigned num_maps)
{
int i, ret;
struct pinctrl_maps *maps_node;
@ -1430,17 +1437,8 @@ int pinctrl_register_map(const struct pinctrl_map *maps, unsigned num_maps,
if (!maps_node)
return -ENOMEM;
maps_node->maps = maps;
maps_node->num_maps = num_maps;
if (dup) {
maps_node->maps = kmemdup(maps, sizeof(*maps) * num_maps,
GFP_KERNEL);
if (!maps_node->maps) {
kfree(maps_node);
return -ENOMEM;
}
} else {
maps_node->maps = maps;
}
mutex_lock(&pinctrl_maps_mutex);
list_add_tail(&maps_node->node, &pinctrl_maps);
@ -1448,22 +1446,14 @@ int pinctrl_register_map(const struct pinctrl_map *maps, unsigned num_maps,
return 0;
}
/**
* pinctrl_register_mappings() - register a set of pin controller mappings
* @maps: the pincontrol mappings table to register. This should probably be
* marked with __initdata so it can be discarded after boot. This
* function will perform a shallow copy for the mapping entries.
* @num_maps: the number of maps in the mapping table
*/
int pinctrl_register_mappings(const struct pinctrl_map *maps,
unsigned num_maps)
{
return pinctrl_register_map(maps, num_maps, true);
}
EXPORT_SYMBOL_GPL(pinctrl_register_mappings);
void pinctrl_unregister_map(const struct pinctrl_map *map)
/**
* pinctrl_unregister_mappings() - unregister a set of pin controller mappings
* @maps: the pincontrol mappings table passed to pinctrl_register_mappings()
* when registering the mappings.
*/
void pinctrl_unregister_mappings(const struct pinctrl_map *map)
{
struct pinctrl_maps *maps_node;
@ -1478,6 +1468,7 @@ void pinctrl_unregister_map(const struct pinctrl_map *map)
}
mutex_unlock(&pinctrl_maps_mutex);
}
EXPORT_SYMBOL_GPL(pinctrl_unregister_mappings);
/**
* pinctrl_force_sleep() - turn a given controller device into sleep state

4
drivers/pinctrl/core.h
View File

@ -236,10 +236,6 @@ extern struct pinctrl_gpio_range *
pinctrl_find_gpio_range_from_pin_nolock(struct pinctrl_dev *pctldev,
unsigned int pin);
int pinctrl_register_map(const struct pinctrl_map *maps, unsigned num_maps,
bool dup);
void pinctrl_unregister_map(const struct pinctrl_map *map);
extern int pinctrl_force_sleep(struct pinctrl_dev *pctldev);
extern int pinctrl_force_default(struct pinctrl_dev *pctldev);

4
drivers/pinctrl/devicetree.c
View File

@ -51,7 +51,7 @@ void pinctrl_dt_free_maps(struct pinctrl *p)
struct pinctrl_dt_map *dt_map, *n1;
list_for_each_entry_safe(dt_map, n1, &p->dt_maps, node) {
pinctrl_unregister_map(dt_map->map);
pinctrl_unregister_mappings(dt_map->map);
list_del(&dt_map->node);
dt_free_map(dt_map->pctldev, dt_map->map,
dt_map->num_maps);
@ -92,7 +92,7 @@ static int dt_remember_or_free_map(struct pinctrl *p, const char *statename,
dt_map->num_maps = num_maps;
list_add_tail(&dt_map->node, &p->dt_maps);
return pinctrl_register_map(map, num_maps, false);
return pinctrl_register_mappings(map, num_maps);
err_free_map:
dt_free_map(pctldev, map, num_maps);

5
include/linux/pinctrl/machine.h
View File

@ -153,6 +153,7 @@ struct pinctrl_map {
extern int pinctrl_register_mappings(const struct pinctrl_map *map,
unsigned num_maps);
extern void pinctrl_unregister_mappings(const struct pinctrl_map *map);
extern void pinctrl_provide_dummies(void);
#else
@ -162,6 +163,10 @@ static inline int pinctrl_register_mappings(const struct pinctrl_map *map,
return 0;
}
static inline void pinctrl_unregister_mappings(const struct pinctrl_map *map)
{
}
static inline void pinctrl_provide_dummies(void)
{
}