[POWERPC] Make kexec_setup() a regular initcall

There's no reason kexec_setup() needs to be called explicitly from
setup_system(), it can just be a regular initcall.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 3 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index a8fa04ef27cd..b438d45a068c 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -378,11 +378,13 @@ static void __init export_crashk_values(void)
         of_node_put(node);
 }
 
-void __init kexec_setup(void)
+static int __init kexec_setup(void)
 {
         export_htab_values();
         export_crashk_values();
+        return 0;
 }
+__initcall(kexec_setup);
 
 static int __init early_parse_crashk(char *p)
 {
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 6f213a9e36bf..cc26530145db 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -350,10 +350,6 @@ void __init setup_system(void)
          */
         unflatten_device_tree();
 
-#ifdef CONFIG_KEXEC
-        kexec_setup();  /* requires unflattened device tree. */
-#endif
-
         /*
          * Fill the ppc64_caches & systemcfg structures with informations
          * retrieved from the device-tree. Need to be called before
diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h
index efe8872ec583..234bd684c7f0 100644
--- a/include/asm-powerpc/kexec.h
+++ b/include/asm-powerpc/kexec.h
@@ -112,7 +112,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
 #ifdef __powerpc64__
 extern void kexec_smp_wait(void);       /* get and clear naca physid, wait for
                                           master to copy new code to 0 */
-extern void __init kexec_setup(void);
 extern int crashing_cpu;
 extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
 #endif /* __powerpc64 __ */