diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 0077969170e8b..83b1d7bbd8880 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -72,6 +72,7 @@ config S390
 	select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM
 	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
+	select ARCH_HAS_CPU_FINALIZE_INIT
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index eb00fa1771da0..ad17d91ad2e66 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -137,6 +137,7 @@ void sclp_early_printk(const char *s);
 void __sclp_early_printk(const char *s, unsigned int len);
 void sclp_emergency_printk(const char *s);
 
+int sclp_init(void);
 int sclp_early_get_memsize(unsigned long *mem);
 int sclp_early_get_hsa_size(unsigned long *hsa_size);
 int _sclp_get_core_info(struct sclp_core_info *info);
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a3fea683b2270..99f165726ca9e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -1006,3 +1006,8 @@ void __init setup_arch(char **cmdline_p)
 	/* Add system specific data to the random pool */
 	setup_randomness();
 }
+
+void __init arch_cpu_finalize_init(void)
+{
+	sclp_init();
+}
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index fbffd451031fd..45bd001206a2b 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -245,7 +245,6 @@ static void sclp_request_timeout(bool force_restart);
 static void sclp_process_queue(void);
 static void __sclp_make_read_req(void);
 static int sclp_init_mask(int calculate);
-static int sclp_init(void);
 
 static void
 __sclp_queue_read_req(void)
@@ -1251,8 +1250,7 @@ static struct platform_driver sclp_pdrv = {
 
 /* Initialize SCLP driver. Return zero if driver is operational, non-zero
  * otherwise. */
-static int
-sclp_init(void)
+int sclp_init(void)
 {
 	unsigned long flags;
 	int rc = 0;
@@ -1305,13 +1303,7 @@ sclp_init(void)
 
 static __init int sclp_initcall(void)
 {
-	int rc;
-
-	rc = platform_driver_register(&sclp_pdrv);
-	if (rc)
-		return rc;
-
-	return sclp_init();
+	return platform_driver_register(&sclp_pdrv);
 }
 
 arch_initcall(sclp_initcall);