From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:53065) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sc3ct-0003vb-JW for qemu-devel@nongnu.org; Tue, 05 Jun 2012 19:58:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Sc3Z4-0002Ps-BH for qemu-devel@nongnu.org; Tue, 05 Jun 2012 19:57:27 -0400 From: Alexander Graf Date: Wed, 6 Jun 2012 01:52:54 +0200 Message-Id: <1338940402-28502-4-git-send-email-agraf@suse.de> In-Reply-To: <1338940402-28502-1-git-send-email-agraf@suse.de> References: <1338940402-28502-1-git-send-email-agraf@suse.de> Subject: [Qemu-devel] [PATCH 03/31] dt: add helper for phandle references List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "qemu-devel@nongnu.org Developers" Cc: qemu-ppc Mailing List Phandles are the fancy device tree name for "pointer to another node". To create a phandle property, we most likely want to reference to the node we're pointing to by its path. So create a helper that allows us to do so. Signed-off-by: Alexander Graf --- device_tree.c | 7 +++++++ device_tree.h | 2 ++ 2 files changed, 9 insertions(+), 0 deletions(-) diff --git a/device_tree.c b/device_tree.c index b1dff4f..8e9262c 100644 --- a/device_tree.c +++ b/device_tree.c @@ -162,6 +162,13 @@ int qemu_devtree_setprop_string(void *fdt, const char *node_path, return r; } +int qemu_devtree_setprop_phandle(void *fdt, const char *node_path, + const char *property, const char *string) +{ + uint32_t phandle = fdt_get_phandle(fdt, findnode_nofail(fdt, string)); + return qemu_devtree_setprop_cell(fdt, node_path, property, phandle); +} + int qemu_devtree_nop_node(void *fdt, const char *node_path) { int r; diff --git a/device_tree.h b/device_tree.h index 9db7f86..2e87c58 100644 --- a/device_tree.h +++ b/device_tree.h @@ -31,6 +31,8 @@ int qemu_devtree_setprop_cell4(void *fdt, const char *node_path, uint32_t val2, uint32_t val3, uint32_t val4); int qemu_devtree_setprop_string(void *fdt, const char *node_path, const char *property, const char *string); +int qemu_devtree_setprop_phandle(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); -- 1.6.0.2