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authorJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
committerJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
commitc9f289701540baeef9ac7c9977d67a7259f404db (patch)
treeac3c29d41da02ac735c9a12da78905842fbccd2f /drivers/pinctrl/core.c
parent0aac6f9aaae5fba08963651d2ce49930145e118f (diff)
parent910a7e89cec65efad254c947ce2bf8bf5b370962 (diff)
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'drivers/pinctrl/core.c')
-rw-r--r--drivers/pinctrl/core.c41
1 files changed, 16 insertions, 25 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 46600d9380ea..446d84fe0e31 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -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;
}
+EXPORT_SYMBOL_GPL(pinctrl_register_mappings);
/**
- * 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
+ * pinctrl_unregister_mappings() - unregister a set of pin controller mappings
+ * @maps: the pincontrol mappings table passed to pinctrl_register_mappings()
+ * when registering the mappings.
*/
-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)
+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