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35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
From ff24fed10ba414d19579e26e60b126fad2f2bb07 Mon Sep 17 00:00:00 2001
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From: Michael Walle <michael@walle.cc>
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Date: Mon, 6 Feb 2023 13:43:44 +0000
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Subject: [PATCH] of: property: make #.*-cells optional for simple props
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Sometimes, future bindings for phandles will get additional arguments.
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Thus the target node of the phandle will need a new #.*-cells property.
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To be backwards compatible, this needs to be optional.
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Prepare the DEFINE_SIMPLE_PROPS() to handle the cells name as optional.
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Signed-off-by: Michael Walle <michael@walle.cc>
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Tested-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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Link: https://lore.kernel.org/r/20230206134356.839737-11-srinivas.kandagatla@linaro.org
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/of/property.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/of/property.c
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+++ b/drivers/of/property.c
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@@ -1173,8 +1173,8 @@ static struct device_node *parse_prop_ce
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if (strcmp(prop_name, list_name))
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return NULL;
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- if (of_parse_phandle_with_args(np, list_name, cells_name, index,
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- &sup_args))
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+ if (__of_parse_phandle_with_args(np, list_name, cells_name, 0, index,
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+ &sup_args))
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return NULL;
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return sup_args.np;
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