linux-kernel - [PATCH v2 8/9] of/irq: Add comments about refcount for API of_irq_find

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Message-Id: <20250209-of_irq_fix-v2-8-93e3a2659aa7@quicinc.com>
Date: Sun, 09 Feb 2025 20:59:01 +0800
From: Zijun Hu <zijun_hu@...oud.com>
To: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Bjorn Helgaas <bhelgaas@...gle.com>, Marc Zyngier <maz@...nel.org>, 
 Stefan Wiehler <stefan.wiehler@...ia.com>, Tony Lindgren <tony@...mide.com>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Benjamin Herrenschmidt <benh@...nel.crashing.org>, 
 Julia Lawall <Julia.Lawall@...6.fr>
Cc: Zijun Hu <zijun_hu@...oud.com>, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Zijun Hu <quic_zijuhu@...cinc.com>
Subject: [PATCH v2 8/9] of/irq: Add comments about refcount for API
 of_irq_find_parent()

From: Zijun Hu <quic_zijuhu@...cinc.com>

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

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 drivers/of/irq.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index ded2a18776671bb30b3c75367e0857494a5c8570..b947bee81434c5303d37555bada4564be01426ab 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -54,8 +54,8 @@ 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)
 {

-- 
2.34.1