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[Qemu-devel] [PATCH 33/72] dt: add helper for phandle references
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH 33/72] dt: add helper for phandle references |
Date: |
Sun, 24 Jun 2012 01:06:57 +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>
Reviewed-by: Peter Crosthwaite <address@hidden>
---
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
- [Qemu-devel] [PATCH 18/72] ppc: Avoid AREG0 for misc helpers, (continued)
- [Qemu-devel] [PATCH 18/72] ppc: Avoid AREG0 for misc helpers, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 21/72] ppc: Add missing break, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 20/72] ppc: Move load and store helpers, switch to AREG0 free mode, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 06/72] ppc: Split FPU and SPE ops, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 25/72] booke_206_tlbwe: Discard invalid bits in MAS2, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 24/72] Avoid segfault in cpu_dump_state, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 23/72] PPC: mpc8544ds: Span initial TLB entry over as much RAM as we need, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 28/72] spapr_vscsi: Error handling fixes, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 30/72] raw-posix: Fix build without is_allocated support, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 31/72] dt: allow add_subnode to create root subnodes, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 33/72] dt: add helper for phandle references,
Alexander Graf <=
- [Qemu-devel] [PATCH 29/72] spapr: Add "memop" hypercall, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 32/72] dt: add helpers for multi-cell adds, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 01/72] ppc: Fix coding style in op_helper.c, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 08/72] ppc: Split integer and vector ops, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 26/72] ppc64: Rudimentary Support for extra page sizes on server CPUs, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 37/72] dt: add helper for phandle allocation, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 38/72] dt: add helper for 64bit cell adds, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 34/72] dt: temporarily disable subtree creation failure check, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 40/72] PPC: e500: dt: create memory node dynamically, Alexander Graf, 2012/06/23
- [Qemu-devel] [PATCH 41/72] PPC: e500: dt: create /cpus node dynamically, Alexander Graf, 2012/06/23