Move bs_unimplemented() to bus_space_generic.c so it can be shared.

sys/arm/arm/bus_space-v6.c

@@ -39,15 +39,6 @@ __FBSDID("$FreeBSD$");
 /* Prototypes for all the bus_space structure functions */
 bs_protos(generic);
 
-static void
-bs_unimplemented(void)
-{
-
-	panic("unimplemented bus_space function called");
-}
-
-#define	BS_UNIMPLEMENTED	(void *)bs_unimplemented
-
 /*
  * The bus space tag.  This is constant for all instances, so
  * we never have to explicitly "create" it.

sys/arm/arm/bus_space_generic.c

@@ -53,6 +53,13 @@ __FBSDID("$FreeBSD$");
 #include <machine/cpufunc.h>
 #include <machine/devmap.h>
 
+void
+generic_bs_unimplemented(void)
+{
+
+	panic("unimplemented bus_space function called");
+}
+
 /* Prototypes for all the bus_space structure functions */
 bs_protos(generic);
 

sys/arm/include/bus.h

@@ -730,6 +730,9 @@ bs_c_2_proto(f);		\
 bs_c_4_proto(f);		\
 bs_c_8_proto(f);
 
+void generic_bs_unimplemented(void);
+#define	BS_UNIMPLEMENTED	(void *)generic_bs_unimplemented
+
 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
 
 #define BUS_SPACE_MAXADDR_24BIT	0xFFFFFF