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of: address: Document return value of of_address_to_resource()

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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@glider.be>
Link: https://lore.kernel.org/r/61ffcb5e87511dfa21af169efd04806101c48b8a.1680248888.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2023-03-31 09:52:28 +02:00 committed by Rob Herring
parent dc8ea9204b
commit 7be5e675c8
1 changed files with 2 additions and 0 deletions
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drivers/of/address.c
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@ -879,6 +879,8 @@ 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