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-rw-r--r--arch/s390/include/asm/sclp.h2
-rw-r--r--arch/s390/kernel/setup.c12
2 files changed, 11 insertions, 3 deletions
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index bf238c55740b..173f07aaeb2b 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -55,5 +55,7 @@ int sclp_chp_configure(struct chp_id chpid);
55int sclp_chp_deconfigure(struct chp_id chpid); 55int sclp_chp_deconfigure(struct chp_id chpid);
56int sclp_chp_read_info(struct sclp_chp_info *info); 56int sclp_chp_read_info(struct sclp_chp_info *info);
57void sclp_get_ipl_info(struct sclp_ipl_info *info); 57void sclp_get_ipl_info(struct sclp_ipl_info *info);
58bool sclp_has_linemode(void);
59bool sclp_has_vt220(void);
58 60
59#endif /* _ASM_S390_SCLP_H */ 61#endif /* _ASM_S390_SCLP_H */
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 489d1d8d96b0..e86bca6f975c 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -63,6 +63,7 @@
63#include <asm/kvm_virtio.h> 63#include <asm/kvm_virtio.h>
64#include <asm/diag.h> 64#include <asm/diag.h>
65#include <asm/os_info.h> 65#include <asm/os_info.h>
66#include <asm/sclp.h>
66#include "entry.h" 67#include "entry.h"
67 68
68long psw_kernel_bits = PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_ASC_PRIMARY | 69long psw_kernel_bits = PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_ASC_PRIMARY |
@@ -138,9 +139,14 @@ __setup("condev=", condev_setup);
138 139
139static void __init set_preferred_console(void) 140static void __init set_preferred_console(void)
140{ 141{
141 if (MACHINE_IS_KVM) 142 if (MACHINE_IS_KVM) {
142 add_preferred_console("hvc", 0, NULL); 143 if (sclp_has_vt220())
143 else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP) 144 add_preferred_console("ttyS", 1, NULL);
145 else if (sclp_has_linemode())
146 add_preferred_console("ttyS", 0, NULL);
147 else
148 add_preferred_console("hvc", 0, NULL);
149 } else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP)
144 add_preferred_console("ttyS", 0, NULL); 150 add_preferred_console("ttyS", 0, NULL);
145 else if (CONSOLE_IS_3270) 151 else if (CONSOLE_IS_3270)
146 add_preferred_console("tty3270", 0, NULL); 152 add_preferred_console("tty3270", 0, NULL);