of/irq: Add comments about refcount for API of_irq_find_parent()

Add comments about refcount of the node returned by of_irq_find_parent().

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250209-of_irq_fix-v2-8-93e3a2659aa7@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Zijun Hu 2025-02-09 20:59:01 +08:00 committed by Rob Herring (Arm)
parent 708124d9e6
commit 4bafd71a38

View File

@ -55,8 +55,8 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
* of_irq_find_parent - Given a device node, find its interrupt parent node
* @child: pointer to device node
*
* Return: A pointer to the interrupt parent node, or NULL if the interrupt
* parent could not be determined.
* Return: A pointer to the interrupt parent node with refcount increased
* or NULL if the interrupt parent could not be determined.
*/
struct device_node *of_irq_find_parent(struct device_node *child)
{