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device tree: add nop_node 

We have a qemu internal abstraction layer on FDT. While I'm not fully convinced
we need it at all, it's missing the nop_node functionality that we now need
on e500. So let's add it and think about the general future of that API later.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2011-07-21 01:52:57 +02:00
parent a915249fa1
commit d69a8e6387
2 changed files with 12 additions and 0 deletions
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11
device_tree.c
View File

@ -107,3 +107,14 @@ int qemu_devtree_setprop_string(void *fdt, const char *node_path,
return fdt_setprop_string(fdt, offset, property, string);
}
int qemu_devtree_nop_node(void *fdt, const char *node_path)
{
int offset;
offset = fdt_path_offset(fdt, node_path);
if (offset < 0)
return offset;
return fdt_nop_node(fdt, offset);
}

1
device_tree.h
View File

@ -22,5 +22,6 @@ 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_nop_node(void *fdt, const char *node_path);
#endif /* __DEVICE_TREE_H__ */