Hi Kishon,
On Tue, 9 Mar 2021 at 05:27, Kishon Vijay Abraham I kishon@ti.com wrote:
Add helper to compare node names.
Signed-off-by: Kishon Vijay Abraham I kishon@ti.com
drivers/core/ofnode.c | 13 +++++++++++++ include/dm/ofnode.h | 9 +++++++++ 2 files changed, 22 insertions(+)
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index fa0bd2a9c4..4e196d680e 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) == 0);
Can you use !strncmp() instead of == 0 ?
+}
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 2c0597c407..86a139276b 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -231,6 +231,15 @@ static inline ofnode ofnode_root(void) return node; }
+/**
- ofnode_name_eq() - Check if the node name is equivalent to a given name
How about a comment indicating this ignores the unit address?
- @node: valid node reference that has to be compared
- @name: name that has to be compared with the node name
- @return 1 if matches, 0 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
-- 2.17.1
Please add a test for this in test/dm
Regards, SImon