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pinctrl: pinconf: Add generic helper function for freeing mappings 

The pinconf-generic.h file exposes functions for creating generic mappings
but it does not expose a function for freeing the mappings. Add a function
for freeing generic mappings.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
steinar/wifi_calib_4_9_kernel
Jon Hunter 2016-06-17 13:03:40 +01:00 committed by Linus Walleij
parent 1a695a905c
commit 8dfebf57bd
2 changed files with 10 additions and 0 deletions
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8
drivers/pinctrl/pinconf-generic.c
View File

@ -391,4 +391,12 @@ exit:
}
EXPORT_SYMBOL_GPL(pinconf_generic_dt_node_to_map);
void pinconf_generic_dt_free_map(struct pinctrl_dev *pctldev,
struct pinctrl_map *map,
unsigned num_maps)
{
pinctrl_utils_free_map(pctldev, map, num_maps);
}
EXPORT_SYMBOL_GPL(pinconf_generic_dt_free_map);
#endif

2
include/linux/pinctrl/pinconf-generic.h
View File

@ -175,6 +175,8 @@ int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
int pinconf_generic_dt_node_to_map(struct pinctrl_dev *pctldev,
struct device_node *np_config, struct pinctrl_map **map,
unsigned *num_maps, enum pinctrl_map_type type);
void pinconf_generic_dt_free_map(struct pinctrl_dev *pctldev,
struct pinctrl_map *map, unsigned num_maps);
static inline int pinconf_generic_dt_node_to_map_group(
struct pinctrl_dev *pctldev, struct device_node *np_config,