sh: provide generic arch_debugfs_dir.

While sh previously had its own debugfs root, there now exists a
common arch_debugfs_dir prototype, so we switch everything over to
that.  Presumably once more architectures start making use of this
we'll be able to just kill off the stub kdebugfs wrapper.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 18 insertions, 17 deletions

diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index a1effb673722..8eed6a485446 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -12,8 +12,8 @@ endif
 CFLAGS_REMOVE_return_address.o = -pg
 
 obj-y   := clkdev.o debugtraps.o dma-nommu.o dumpstack.o                \
-           idle.o io.o irq.o                                            \
-           irq_$(BITS).o machvec.o nmi_debug.o process.o                \
+           idle.o io.o irq.o irq_$(BITS).o kdebugfs.o                   \
+           machvec.o nmi_debug.o process.o                              \
            process_$(BITS).o ptrace.o ptrace_$(BITS).o                  \
            reboot.o return_address.o                                    \
            setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o            \
diff --git a/arch/sh/kernel/kdebugfs.c b/arch/sh/kernel/kdebugfs.c
new file mode 100644
index 000000000000..e11c30bb100c
--- /dev/null
+++ b/arch/sh/kernel/kdebugfs.c
@@ -0,0 +1,16 @@
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/debugfs.h>
+
+struct dentry *arch_debugfs_dir;
+EXPORT_SYMBOL(arch_debugfs_dir);
+
+static int __init arch_kdebugfs_init(void)
+{
+        arch_debugfs_dir = debugfs_create_dir("sh", NULL);
+        if (!arch_debugfs_dir)
+                return -ENOMEM;
+
+        return 0;
+}
+arch_initcall(arch_kdebugfs_init);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index e769401a78ba..f24d0ea8be2d 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -24,7 +24,6 @@
 #include <linux/module.h>
 #include <linux/smp.h>
 #include <linux/err.h>
-#include <linux/debugfs.h>
 #include <linux/crash_dump.h>
 #include <linux/mmzone.h>
 #include <linux/clk.h>
@@ -458,17 +457,3 @@ const struct seq_operations cpuinfo_op = {
         .show   = show_cpuinfo,
 };
 #endif /* CONFIG_PROC_FS */
-
-struct dentry *sh_debugfs_root;
-
-static int __init sh_debugfs_init(void)
-{
-        sh_debugfs_root = debugfs_create_dir("sh", NULL);
-        if (!sh_debugfs_root)
-                return -ENOMEM;
-        if (IS_ERR(sh_debugfs_root))
-                return PTR_ERR(sh_debugfs_root);
-
-        return 0;
-}
-arch_initcall(sh_debugfs_init);