[S390] kvm: use console_initcall() to initialize s390 virtio console

Use a console_initcall() to initialize the s390 virtio console and
clean up s390 console initialization in setup.c.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index e38e5d306faf..2930fc763ac5 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -403,10 +403,14 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
         return len;
 }
 
-void __init s390_virtio_console_init(void)
+static int __init s390_virtio_console_init(void)
 {
-        virtio_cons_early_init(early_put_chars);
+        if (!MACHINE_IS_KVM)
+                return -ENODEV;
+        return virtio_cons_early_init(early_put_chars);
 }
+console_initcall(s390_virtio_console_init);
+
 
 /*
  * We do this after core stuff, but before the drivers.