From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:44215) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBixd-000282-RV for qemu-devel@nongnu.org; Thu, 06 Oct 2011 04:06:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RBixP-0000vR-8p for qemu-devel@nongnu.org; Thu, 06 Oct 2011 04:05:45 -0400 From: Alexander Graf Date: Thu, 6 Oct 2011 10:05:28 +0200 Message-Id: <1317888366-10509-27-git-send-email-agraf@suse.de> In-Reply-To: <1317888366-10509-1-git-send-email-agraf@suse.de> References: <1317888366-10509-1-git-send-email-agraf@suse.de> Subject: [Qemu-devel] [PATCH 26/64] device tree: add add_subnode command List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Blue Swirl , qemu-ppc@nongnu.org We want to be able to create subnodes in our device tree, so export it through the qemu device tree abstraction framework. Signed-off-by: Alexander Graf --- device_tree.c | 24 ++++++++++++++++++++++++ device_tree.h | 1 + 2 files changed, 25 insertions(+), 0 deletions(-) diff --git a/device_tree.c b/device_tree.c index 23e89e3..f4a78c8 100644 --- a/device_tree.c +++ b/device_tree.c @@ -118,3 +118,27 @@ int qemu_devtree_nop_node(void *fdt, const char *node_path) return fdt_nop_node(fdt, offset); } + +int qemu_devtree_add_subnode(void *fdt, const char *name) +{ + int offset; + char *dupname = g_strdup(name); + char *basename = strrchr(dupname, '/'); + int retval; + + if (!basename) { + return -1; + } + + basename[0] = '\0'; + basename++; + + offset = fdt_path_offset(fdt, dupname); + if (offset < 0) { + return offset; + } + + retval = fdt_add_subnode(fdt, offset, basename); + g_free(dupname); + return retval; +} diff --git a/device_tree.h b/device_tree.h index 76fce5f..4378685 100644 --- a/device_tree.h +++ b/device_tree.h @@ -23,5 +23,6 @@ int qemu_devtree_setprop_cell(void *fdt, const char *node_path, int qemu_devtree_setprop_string(void *fdt, const char *node_path, const char *property, const char *string); int qemu_devtree_nop_node(void *fdt, const char *node_path); +int qemu_devtree_add_subnode(void *fdt, const char *name); #endif /* __DEVICE_TREE_H__ */ -- 1.6.0.2