linux-kernel - [PATCH 1/3] of: address: Document return value of of_address_to

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Message-Id: <61ffcb5e87511dfa21af169efd04806101c48b8a.1680248888.git.geert+renesas@glider.be>
Date:   Fri, 31 Mar 2023 09:52:28 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH 1/3] of: address: Document return value of of_address_to_resource()

Add the missing return value documentation to the linuxdoc comment block
for the of_address_to_resource() function.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/of/address.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 4c5c3b7ab99449f2..6312b10885e85864 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -882,6 +882,8 @@ static int __of_address_to_resource(struct device_node *dev, int index, int bar_
  * @index:	Index into the array
  * @r:		Pointer to resource array
  *
+ * Returns -EINVAL if the range cannot be converted to resource.
+ *
  * Note that if your address is a PIO address, the conversion will fail if
  * the physical address can't be internally converted to an IO token with
  * pci_address_to_pio(), that is because it's either called too early or it
-- 
2.34.1