[PATCH] ppc64: Fix oprofile when compiled as a module

My recent changes to oprofile broke it when built as a module. Fix it by
using an enum instead of a function pointer. This way we still retain
the oprofile configuration in the cputable.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index d8798f3..ef6ead3 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -27,10 +27,17 @@
  * via the mkdefs mechanism.
  */
 struct cpu_spec;
-struct op_powerpc_model;
 
 typedef	void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
 
+enum powerpc_oprofile_type {
+	INVALID = 0,
+	RS64 = 1,
+	POWER4 = 2,
+	G4 = 3,
+	BOOKE = 4,
+};
+
 struct cpu_spec {
 	/* CPU is matched via (PVR & pvr_mask) == pvr_value */
 	unsigned int	pvr_mask;
@@ -56,7 +63,7 @@
 	char		*oprofile_cpu_type;
 
 	/* Processor specific oprofile operations */
-	struct op_powerpc_model *oprofile_model;
+	enum powerpc_oprofile_type oprofile_type;
 };
 
 extern struct cpu_spec		*cur_cpu_spec;