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[Qemu-devel] [PATCH 23/28] device tree: add add_subnode command
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH 23/28] device tree: add add_subnode command |
Date: |
Sat, 23 Jul 2011 12:50:07 +0200 |
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 <address@hidden>
---
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 ec79dba..e58d522 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 = qemu_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);
+ qemu_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
- [Qemu-devel] [PATCH 11/28] device tree: add nop_node, (continued)
- [Qemu-devel] [PATCH 11/28] device tree: add nop_node, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 05/28] PPC: Set MPIC IDE for IPI to 0, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 28/28] PPC: E500: Bump CPU count to 15, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 25/28] device tree: give dt more size, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 03/28] PPC: Extend MPIC MMIO range, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 24/28] device tree: dont fail operations, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 04/28] PPC: Fix IPI support in MPIC, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 02/28] PPC: Add CPU local MMIO regions to MPIC, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 23/28] device tree: add add_subnode command,
Alexander Graf <=
- [Qemu-devel] [PATCH 22/28] PPC: E500: Update cpu-release-addr property in cpu nodes, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 17/28] PPC: KVM: Remove kvmppc_read_host_property, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 07/28] PPC: MPIC: Fix CI bit definitions, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 27/28] MPC8544DS: Generate CPU nodes on init, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 10/28] PPC: E500: Generate IRQ lines for many CPUs, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 16/28] PPC: bamboo: Use kvm api for freq and clock frequencies, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 15/28] PPC: E500: Remove mpc8544_copy_soc_cell, Alexander Graf, 2011/07/23
- [Qemu-devel] [PATCH 20/28] PPC: E500: Remove unneeded CPU nodes, Alexander Graf, 2011/07/23