diff options
Diffstat (limited to 'drivers/s390/char/sclp_early_core.c')
| -rw-r--r-- | drivers/s390/char/sclp_early_core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c index f9c5b02d2685..2723ab56fb8f 100644 --- a/drivers/s390/char/sclp_early_core.c +++ b/drivers/s390/char/sclp_early_core.c @@ -16,6 +16,8 @@ static char _sclp_work_area[4096] __aligned(PAGE_SIZE) __section(data); static bool have_vt220 __section(data); static bool have_linemode __section(data); +int sclp_init_state __section(data) = sclp_init_state_uninitialized; + static void _sclp_wait_int(void) { unsigned long psw_mask, addr, flags; @@ -198,6 +200,8 @@ static void _sclp_print_vt220(const char *str, unsigned int len) */ void __sclp_print_early(const char *str, unsigned int len) { + if (sclp_init_state != sclp_init_state_uninitialized) + return; if (_sclp_setup(0) != 0) return; if (have_linemode) |