From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756103AbaDWBY5 (ORCPT ); Tue, 22 Apr 2014 21:24:57 -0400 Received: from mail-oa0-f47.google.com ([209.85.219.47]:49046 "EHLO mail-oa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753953AbaDWBTB (ORCPT ); Tue, 22 Apr 2014 21:19:01 -0400 From: Rob Herring To: Grant Likely , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Rob Herring Subject: [PATCH v2 10/21] of/fdt: remove unused of_scan_flat_dt_by_path Date: Tue, 22 Apr 2014 20:18:10 -0500 Message-Id: <1398215901-25609-11-git-send-email-robherring2@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1398215901-25609-1-git-send-email-robherring2@gmail.com> References: <1398215901-25609-1-git-send-email-robherring2@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rob Herring of_scan_flat_dt_by_path is unused anywhere in the kernel, so remove it. Signed-off-by: Rob Herring --- v2: no change drivers/of/fdt.c | 67 -------------------------------------------------- include/linux/of_fdt.h | 3 --- 2 files changed, 70 deletions(-) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 63bdcee..9c85352 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; diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index d4d0efe..991ec74 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -93,9 +93,6 @@ extern void *of_get_flat_dt_prop(unsigned long node, const char *name, extern int of_flat_dt_is_compatible(unsigned long node, const char *name); extern int of_flat_dt_match(unsigned long node, const char *const *matches); extern unsigned long of_get_flat_dt_root(void); -extern int of_scan_flat_dt_by_path(const char *path, - int (*it)(unsigned long node, const char *name, int depth, void *data), - void *data); extern int early_init_dt_scan_chosen(unsigned long node, const char *uname, int depth, void *data); -- 1.9.1