[PATCH v6 1/7] of: Make of_graph_get_port_by_id take a const device_node
From: Maxime Ripard <hidden>
Date: 2021-12-17 13:53:12
Also in:
dri-devel
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
of_graph_get_port_by_id doesn't modify the device_node pointer it takes as argument, so we can make it const. Signed-off-by: Maxime Ripard <redacted> --- drivers/of/property.c | 2 +- include/linux/of_graph.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 8e90071de6ed..8ad0ce5c87f3 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c@@ -603,7 +603,7 @@ EXPORT_SYMBOL(of_graph_parse_endpoint); * Return: A 'port' node pointer with refcount incremented. The caller * has to use of_node_put() on it when done. */ -struct device_node *of_graph_get_port_by_id(struct device_node *parent, u32 id) +struct device_node *of_graph_get_port_by_id(const struct device_node *parent, u32 id) { struct device_node *node, *port;
diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h
index 4d7756087b6b..87f3f4d0d0df 100644
--- a/include/linux/of_graph.h
+++ b/include/linux/of_graph.h@@ -42,7 +42,7 @@ bool of_graph_is_present(const struct device_node *node); int of_graph_parse_endpoint(const struct device_node *node, struct of_endpoint *endpoint); int of_graph_get_endpoint_count(const struct device_node *np); -struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id); +struct device_node *of_graph_get_port_by_id(const struct device_node *node, u32 id); struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, struct device_node *previous); struct device_node *of_graph_get_endpoint_by_regs(
@@ -74,7 +74,7 @@ static inline int of_graph_get_endpoint_count(const struct device_node *np) } static inline struct device_node *of_graph_get_port_by_id( - struct device_node *node, u32 id) + const struct device_node *node, u32 id) { return NULL; }
--
2.33.1
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