shell: make shell_root_cmd_find function static

Function shell_root_cmd_find was only used in shell_utils.c file.
Hence it is changed to static and renamed to root_cmd_find.

Signed-off-by: Jakub Rzeszutko <[email protected]>

Author: Jakub Rzeszutko

subsys/shell/shell_utils.c

@@ -228,7 +228,7 @@ static inline uint32_t shell_root_cmd_count(void)
 }
 
 /* Function returning pointer to parent command matching requested syntax. */
-const struct shell_static_entry *shell_root_cmd_find(const char *syntax)
+static const struct shell_static_entry *root_cmd_find(const char *syntax)
 {
 	const size_t cmd_count = shell_root_cmd_count();
 	const struct shell_cmd_entry *cmd;
@@ -344,7 +344,7 @@ int shell_set_root_cmd(const char *cmd)
 {
 	const struct shell_static_entry *entry;
 
-	entry = cmd ? shell_root_cmd_find(cmd) : NULL;
+	entry = cmd ? root_cmd_find(cmd) : NULL;
 
 	if (cmd && (entry == NULL)) {
 		return -EINVAL;

subsys/shell/shell_utils.h

@@ -77,8 +77,6 @@ const struct shell_static_entry *shell_get_last_command(
 					struct shell_static_entry *dloc,
 					bool only_static);
 
-const struct shell_static_entry *shell_root_cmd_find(const char *syntax);
-
 void shell_spaces_trim(char *str);
 
 static inline void transport_buffer_flush(const struct shell *shell)