diff options
-rw-r--r-- | arch/powerpc/kernel/prom.c | 9 | ||||
-rw-r--r-- | arch/powerpc/kernel/setup-common.c | 13 | ||||
-rw-r--r-- | include/asm-powerpc/system.h | 2 |
3 files changed, 18 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 6d5e601..0782afc 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -52,6 +52,7 @@ #include <asm/pSeries_reconfig.h> #include <asm/pci-bridge.h> #include <asm/kexec.h> +#include <asm/system.h> #ifdef DEBUG #define DBG(fmt...) printk(KERN_ERR fmt) @@ -1730,22 +1731,18 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) } EXPORT_SYMBOL(of_get_cpu_node); -#ifdef DEBUG +#if defined(CONFIG_DEBUG_FS) && defined(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); + powerpc_debugfs_root, &flat_dt_blob); if (!d) return 1; diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 38c4b73..4924c48 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -32,6 +32,7 @@ #include <linux/unistd.h> #include <linux/serial.h> #include <linux/serial_8250.h> +#include <linux/debugfs.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/processor.h> @@ -579,3 +580,15 @@ static int __init check_cache_coherency(void) late_initcall(check_cache_coherency); #endif /* CONFIG_CHECK_CACHE_COHERENCY */ + +#ifdef CONFIG_DEBUG_FS +struct dentry *powerpc_debugfs_root; + +static int powerpc_debugfs_init(void) +{ + powerpc_debugfs_root = debugfs_create_dir("powerpc", NULL); + + return powerpc_debugfs_root == NULL; +} +arch_initcall(powerpc_debugfs_init); +#endif diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index eff3de9..32aa42b 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -559,5 +559,7 @@ static inline void create_function_call(unsigned long addr, void * func) extern void account_system_vtime(struct task_struct *); #endif +extern struct dentry *powerpc_debugfs_root; + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SYSTEM_H */ |