[PATCH] of: base: make of_device_compatible_match() accept const device node

From: Dmitry Torokhov
Date: Thu Sep 29 2022 - 20:33:02 EST


of_device_is_compatible() accepts const device node pointer, there is
no reason why of_device_compatible_match() can't do the same.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/of/base.c | 2 +-
include/linux/of.h | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 8e96862d312e..b7be15e85952 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -561,7 +561,7 @@ EXPORT_SYMBOL(of_device_is_compatible);
* a NULL terminated array of strings. Returns the best match
* score or 0.
*/
-int of_device_compatible_match(struct device_node *device,
+int of_device_compatible_match(const struct device_node *device,
const char *const *compat)
{
unsigned int tmp, score = 0;
diff --git a/include/linux/of.h b/include/linux/of.h
index 766d002bddb9..6b79ef9a6541 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -342,7 +342,7 @@ extern int of_property_read_string_helper(const struct device_node *np,
const char **out_strs, size_t sz, int index);
extern int of_device_is_compatible(const struct device_node *device,
const char *);
-extern int of_device_compatible_match(struct device_node *device,
+extern int of_device_compatible_match(const struct device_node *device,
const char *const *compat);
extern bool of_device_is_available(const struct device_node *device);
extern bool of_device_is_big_endian(const struct device_node *device);
@@ -562,7 +562,7 @@ static inline int of_device_is_compatible(const struct device_node *device,
return 0;
}

-static inline int of_device_compatible_match(struct device_node *device,
+static inline int of_device_compatible_match(const struct device_node *device,
const char *const *compat)
{
return 0;
--
2.38.0.rc1.362.ged0d419d3c-goog


--
Dmitry