Commit f2b388d6 authored by Herve Codina's avatar Herve Codina Committed by Rob Herring (Arm)
Browse files

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: default avatarHerve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20240527161450.326615-16-herve.codina@bootlin.com


Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
parent aa5545ae

drivers/of/dynamic.c

+25 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/of.h

+3 −0
Original line number Diff line number Diff line
@@ -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)

{