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Diffstat (limited to 'arch/s390/kernel/early_printk.c')
-rw-r--r--arch/s390/kernel/early_printk.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/s390/kernel/early_printk.c b/arch/s390/kernel/early_printk.c
index d9d53f44008a..cefe020a3be3 100644
--- a/arch/s390/kernel/early_printk.c
+++ b/arch/s390/kernel/early_printk.c
@@ -6,6 +6,7 @@
#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <asm/setup.h>
#include <asm/sclp.h>
static void sclp_early_write(struct console *con, const char *s, unsigned int len)
@@ -20,6 +21,16 @@ static struct console sclp_early_console = {
.index = -1,
};
+void __init register_early_console(void)
+{
+ if (early_console)
+ return;
+ if (!sclp.has_linemode && !sclp.has_vt220)
+ return;
+ early_console = &sclp_early_console;
+ register_console(early_console);
+}
+
static int __init setup_early_printk(char *buf)
{
if (early_console)
@@ -27,10 +38,7 @@ static int __init setup_early_printk(char *buf)
/* Accept only "earlyprintk" and "earlyprintk=sclp" */
if (buf && !str_has_prefix(buf, "sclp"))
return 0;
- if (!sclp.has_linemode && !sclp.has_vt220)
- return 0;
- early_console = &sclp_early_console;
- register_console(early_console);
+ register_early_console();
return 0;
}
early_param("earlyprintk", setup_early_printk);