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author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2024-01-10 04:14:50 +0300 |
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committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2024-01-23 11:38:30 +0300 |
commit | 28c5d4e40752fc39507a647b20649c5ca1cf33b7 (patch) | |
tree | 89baf1d060e94cff251b801e7c8a3c9c85a1f49e /include/linux | |
parent | 8918283af1bd68f46f75164289492988dbc67a41 (diff) | |
download | linux-28c5d4e40752fc39507a647b20649c5ca1cf33b7.tar.xz |
of: Add for_each_reserved_child_of_node()
We would like to use for_each loop for status = "reserved" nodes.
Add for_each_reserved_child_of_node() for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/87a5pegfau.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/of.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index 6a9ddf20e79a..331e05918f11 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -294,6 +294,8 @@ extern struct device_node *of_get_next_child(const struct device_node *node, struct device_node *prev); extern struct device_node *of_get_next_available_child( const struct device_node *node, struct device_node *prev); +extern struct device_node *of_get_next_reserved_child( + const struct device_node *node, struct device_node *prev); extern struct device_node *of_get_compatible_child(const struct device_node *parent, const char *compatible); @@ -541,6 +543,12 @@ static inline struct device_node *of_get_next_available_child( return NULL; } +static inline struct device_node *of_get_next_reserved_child( + const struct device_node *node, struct device_node *prev) +{ + return NULL; +} + static inline struct device_node *of_find_node_with_property( struct device_node *from, const char *prop_name) { @@ -1431,6 +1439,9 @@ static inline int of_property_read_s32(const struct device_node *np, #define for_each_available_child_of_node(parent, child) \ for (child = of_get_next_available_child(parent, NULL); child != NULL; \ child = of_get_next_available_child(parent, child)) +#define for_each_reserved_child_of_node(parent, child) \ + for (child = of_get_next_reserved_child(parent, NULL); child != NULL; \ + child = of_get_next_reserved_child(parent, child)) #define for_each_of_cpu_node(cpu) \ for (cpu = of_get_next_cpu_node(NULL); cpu != NULL; \ |