of/fdt: remove unused of_scan_flat_dt_by_path

of_scan_flat_dt_by_path is unused anywhere in the kernel, so remove it.

Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Stephen Chivers <schivers@csc.com>

1 files changed, 0 insertions, 67 deletions

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 63bdcee473fa..9c8535291909 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -671,73 +671,6 @@ struct fdt_scan_status {
         void *data;
 };
 
-/**
- * fdt_scan_node_by_path - iterator for of_scan_flat_dt_by_path function
- */
-static int __init fdt_scan_node_by_path(unsigned long node, const char *uname,
-                                        int depth, void *data)
-{
-        struct fdt_scan_status *st = data;
-
-        /*
-         * if scan at the requested fdt node has been completed,
-         * return -ENXIO to abort further scanning
-         */
-        if (depth <= st->depth)
-                return -ENXIO;
-
-        /* requested fdt node has been found, so call iterator function */
-        if (st->found)
-                return st->iterator(node, uname, depth, st->data);
-
-        /* check if scanning automata is entering next level of fdt nodes */
-        if (depth == st->depth + 1 &&
-            strncmp(st->name, uname, st->namelen) == 0 &&
-            uname[st->namelen] == 0) {
-                st->depth += 1;
-                if (st->name[st->namelen] == 0) {
-                        st->found = 1;
-                } else {
-                        const char *next = st->name + st->namelen + 1;
-                        st->name = next;
-                        st->namelen = strcspn(next, "/");
-                }
-                return 0;
-        }
-
-        /* scan next fdt node */
-        return 0;
-}
-
-/**
- * of_scan_flat_dt_by_path - scan flattened tree blob and call callback on each
- *                           child of the given path.
- * @path: path to start searching for children
- * @it: callback function
- * @data: context data pointer
- *
- * This function is used to scan the flattened device-tree starting from the
- * node given by path. It is used to extract information (like reserved
- * memory), which is required on ealy boot before we can unflatten the tree.
- */
-int __init of_scan_flat_dt_by_path(const char *path,
-        int (*it)(unsigned long node, const char *name, int depth, void *data),
-        void *data)
-{
-        struct fdt_scan_status st = {path, 0, -1, 0, it, data};
-        int ret = 0;
-
-        if (initial_boot_params)
-                ret = of_scan_flat_dt(fdt_scan_node_by_path, &st);
-
-        if (!st.found)
-                return -ENOENT;
-        else if (ret == -ENXIO) /* scan has been completed */
-                return 0;
-        else
-                return ret;
-}
-
 const char * __init of_flat_dt_get_machine_name(void)
 {
         const char *name;