powerpc/fadump: define an empty fadump_cleanup()

To avoid #ifdefs, define an static inline fadump_cleanup() function
when CONFIG_FADUMP is not selected
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/include/asm/fadump.h

@@ -219,5 +219,6 @@ extern void fadump_cleanup(void);
 static inline int is_fadump_active(void) { return 0; }
 static inline int should_fadump_crash(void) { return 0; }
 static inline void crash_fadump(struct pt_regs *regs, const char *str) { }
+static inline void fadump_cleanup(void) { }
 #endif
 #endif

arch/powerpc/kernel/setup-common.c

@@ -134,13 +134,11 @@ int crashing_cpu = -1;
 /* also used by kexec */
 void machine_shutdown(void)
 {
-#ifdef CONFIG_FA_DUMP
 	/*
 	 * if fadump is active, cleanup the fadump registration before we
 	 * shutdown.
 	 */
 	fadump_cleanup();
-#endif
 
 	if (ppc_md.machine_shutdown)
 		ppc_md.machine_shutdown();