From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:55557) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sh3tl-0001TA-K4 for qemu-devel@nongnu.org; Tue, 19 Jun 2012 15:15:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Sh3ti-0004au-1l for qemu-devel@nongnu.org; Tue, 19 Jun 2012 15:15:33 -0400 From: Alexander Graf Date: Tue, 19 Jun 2012 21:14:56 +0200 Message-Id: <1340133324-352-4-git-send-email-agraf@suse.de> In-Reply-To: <1340133324-352-1-git-send-email-agraf@suse.de> References: <1340133324-352-1-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 qemu-devel 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 --- v2 -> v3: - rename "string" to target_node_path --- device_tree.c | 8 ++++++++ device_tree.h | 3 +++ 2 files changed, 11 insertions(+), 0 deletions(-) diff --git a/device_tree.c b/device_tree.c index 94a239e..2905f9a 100644 --- a/device_tree.c +++ b/device_tree.c @@ -132,6 +132,14 @@ 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 *target_node_path) +{ + uint32_t phandle = fdt_get_phandle(fdt, findnode_nofail(fdt, target_node_path)); + 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 1e671e2..754bd2b 100644 --- a/device_tree.h +++ b/device_tree.h @@ -22,6 +22,9 @@ int qemu_devtree_setprop_cell(void *fdt, const char *node_path, const char *property, uint32_t val); 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 *target_node_path); 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