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| author | Kishon Vijay Abraham I <kishon@ti.com> | 2021-07-21 21:28:30 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2021-07-27 10:56:53 +0530 |
| commit | 77cbaf8837fd096b876d8a6c05d90683f5f4b82e (patch) | |
| tree | 8e62212071b03f04e6976d1a58c3e48aae125c9b | |
| parent | e8ad4cb01c3f60f54920e1c894030914e9d0730b (diff) | |
| download | u-boot-77cbaf8837fd096b876d8a6c05d90683f5f4b82e.zip u-boot-77cbaf8837fd096b876d8a6c05d90683f5f4b82e.tar.gz u-boot-77cbaf8837fd096b876d8a6c05d90683f5f4b82e.tar.bz2 | |
dm: core: Add helper to compare node names
Add helper to compare node names.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20210721155849.20994-2-kishon@ti.com
| -rw-r--r-- | drivers/core/ofnode.c | 13 | ||||
| -rw-r--r-- | include/dm/ofnode.h | 10 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index dda6c76..701b23e 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -18,6 +18,19 @@ #include <linux/ioport.h> #include <asm/global_data.h> +bool ofnode_name_eq(ofnode node, const char *name) +{ + const char *node_name; + size_t len; + + assert(ofnode_valid(node)); + + node_name = ofnode_get_name(node); + len = strchrnul(node_name, '@') - node_name; + + return (strlen(name) == len) && !strncmp(node_name, name, len); +} + int ofnode_read_u32(ofnode node, const char *propname, u32 *outp) { return ofnode_read_u32_index(node, propname, 0, outp); diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 3da05d8..4e1a844 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -232,6 +232,16 @@ static inline ofnode ofnode_root(void) } /** + * ofnode_name_eq() - Check if the node name is equivalent to a given name + * ignoring the unit address + * + * @node: valid node reference that has to be compared + * @name: name that has to be compared with the node name + * @return true if matches, false if it doesn't match + */ +bool ofnode_name_eq(ofnode node, const char *name); + +/** * ofnode_read_u32() - Read a 32-bit integer from a property * * @ref: valid node reference to read property from |