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[Qemu-ppc] [PATCH 03/25] dt: add helper for phandle references
From: |
Alexander Graf |
Subject: |
[Qemu-ppc] [PATCH 03/25] dt: add helper for phandle references |
Date: |
Wed, 30 May 2012 13:00:24 +0200 |
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 <address@hidden>
---
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
- [Qemu-ppc] [PATCH 00/25] PPC: mpc8544ds: Create device tree dynamically, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 04/25] dt: temporarily disable subtree creation failure check, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 17/25] PPC: e500: dt: create mpic node dynamically, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 01/25] dt: allow add_subnode to create root subnodes, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 09/25] PPC: e500: require libfdt, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 03/25] dt: add helper for phandle references,
Alexander Graf <=
- [Qemu-ppc] [PATCH 05/25] dt: add helper for phandle enumeration, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 08/25] dt: add helper for 64bit cell adds, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 10/25] PPC: e500: dt: create memory node dynamically, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 13/25] PPC: e500: dt: create / node dynamically, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 02/25] dt: add helpers for 2, 3 and 4 cell adds, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 12/25] PPC: e500: dt: create /hypervisor node dynamically, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 24/25] PPC: e500: enable manual loading of dtb blob, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 14/25] PPC: e500: dt: create /chosen node dynamically, Alexander Graf, 2012/05/30
- [Qemu-ppc] [PATCH 22/25] PPC: e500: dt: use 64bit cell helper, Alexander Graf, 2012/05/30