of: dynamic: Introduce of_changeset_add_prop_bool()

APIs to add some properties in a changeset exist but nothing to add a DT
boolean property (i.e. a property without any values).

Fill this lack with of_changeset_add_prop_bool().

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20240527161450.326615-16-herve.codina@bootlin.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Herve Codina 2024-05-27 18:14:42 +02:00 committed by Rob Herring (Arm)
parent aa5545ae62
commit f2b388d63e
2 changed files with 28 additions and 0 deletions

View File

@ -1047,3 +1047,28 @@ int of_changeset_add_prop_u32_array(struct of_changeset *ocs,
return of_changeset_add_prop_helper(ocs, np, &prop);
}
EXPORT_SYMBOL_GPL(of_changeset_add_prop_u32_array);
/**
* of_changeset_add_prop_bool - Add a boolean property (i.e. a property without
* any values) to a changeset.
*
* @ocs: changeset pointer
* @np: device node pointer
* @prop_name: name of the property to be added
*
* Create a boolean property and add it to a changeset.
*
* Return: 0 on success, a negative error value in case of an error.
*/
int of_changeset_add_prop_bool(struct of_changeset *ocs, struct device_node *np,
const char *prop_name)
{
struct property prop;
prop.name = (char *)prop_name;
prop.length = 0;
prop.value = NULL;
return of_changeset_add_prop_helper(ocs, np, &prop);
}
EXPORT_SYMBOL_GPL(of_changeset_add_prop_bool);

View File

@ -1652,6 +1652,9 @@ static inline int of_changeset_add_prop_u32(struct of_changeset *ocs,
return of_changeset_add_prop_u32_array(ocs, np, prop_name, &val, 1);
}
int of_changeset_add_prop_bool(struct of_changeset *ocs, struct device_node *np,
const char *prop_name);
#else /* CONFIG_OF_DYNAMIC */
static inline int of_reconfig_notifier_register(struct notifier_block *nb)
{