ACPI: call acpi_debug_init() explicitly rather than as initcall

This patch makes acpi_init() call acpi_debug_init() directly.
Previously, both were subsys_initcalls.  acpi_debug_init()
must happen after acpi_init(), and it's better to call it
explicitly rather than rely on link ordering.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/bus.c

@@ -883,6 +883,7 @@ static int __init acpi_init(void)
 	acpi_ec_init();
 	acpi_power_init();
 	acpi_system_init();
+	acpi_debug_init();
 	return result;
 }
 

drivers/acpi/debug.c

@@ -297,17 +297,15 @@ acpi_system_write_debug(struct file *file,
 
 	return count;
 }
+#endif
 
-static int __init acpi_debug_init(void)
+int __init acpi_debug_init(void)
 {
+#ifdef CONFIG_ACPI_PROCFS
 	struct proc_dir_entry *entry;
 	int error = 0;
 	char *name;
 
-
-	if (acpi_disabled)
-		return 0;
-
 	/* 'debug_layer' [R/W] */
 	name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
 	entry =
@@ -338,7 +336,7 @@ static int __init acpi_debug_init(void)
 	remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
 	error = -ENODEV;
 	goto Done;
-}
-
-subsys_initcall(acpi_debug_init);
+#else
+	return 0;
 #endif
+}

drivers/acpi/internal.h

@@ -3,6 +3,12 @@
 int acpi_scan_init(void);
 int acpi_system_init(void);
 
+#ifdef CONFIG_ACPI_DEBUG
+int acpi_debug_init(void);
+#else
+static inline int acpi_debug_init(void) { return 0; }
+#endif
+
 /* --------------------------------------------------------------------------
                                   Power Resource
    -------------------------------------------------------------------------- */