diff options
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 483455c5bb0..efed4bc2b45 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -30,6 +30,7 @@ #include <linux/bitops.h> #include <linux/module.h> #include <linux/kexec.h> +#include <linux/debugfs.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -2148,3 +2149,27 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) } return NULL; } + +#ifdef DEBUG +static struct debugfs_blob_wrapper flat_dt_blob; + +static int __init export_flat_device_tree(void) +{ + struct dentry *d; + + d = debugfs_create_dir("powerpc", NULL); + if (!d) + return 1; + + flat_dt_blob.data = initial_boot_params; + flat_dt_blob.size = initial_boot_params->totalsize; + + d = debugfs_create_blob("flat-device-tree", S_IFREG | S_IRUSR, + d, &flat_dt_blob); + if (!d) + return 1; + + return 0; +} +__initcall(export_flat_device_tree); +#endif |