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authorLinus Torvalds <torvalds@linux-foundation.org>2015-06-24 08:45:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-24 08:45:27 -0700
commit4b1f2af6752a4cc9acc1c22ddf3842478965f113 (patch)
tree632e499f2a15b7d6128be11d148fcdc653813ef3 /drivers/s390
parentaaa64485267c14e79382fbf7f4b0689a5de94fe9 (diff)
parent7fc611ff3ff1a0b8f5a6569fe75a97d6c70bed6c (diff)
downloadlinux-4b1f2af6752a4cc9acc1c22ddf3842478965f113.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky: "Pretty boring for a merge window pull. One change in behaviour is the patch for dasd driver, the module which provides the diagnose discipline is now loaded automatically. The SCLP code got a nice cleanup, a new global structure replaces a bunch of accessor functions. And a couple of random, small improvements" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/pci: improve handling of hotplug event 0x301 s390/setup: fix DMA_API_DEBUG warnings s390/zcrypt: remove obsolete __constant s390/keyboard: avoid off-by-one when using strnlen_user() s390/sclp: pass timeout as HZ independent value s390/mm: s/specifiation/specification/, s/an specification/a specification/ s390/sclp: Use DECLARE_BITMAP s390/dasd: Enable automatic loading of dasd_diag_mod s390/sclp: move sclp_facilities into "struct sclp" s390/sclp: get rid of sclp_get_mtid() and sclp_get_mtid_max() s390/sclp: unify basic sclp access by exposing "struct sclp" s390/sclp: prepare smp_fill_possible_mask for global "struct sclp"
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd.c17
-rw-r--r--drivers/s390/char/keyboard.c13
-rw-r--r--drivers/s390/char/sclp.c2
-rw-r--r--drivers/s390/char/sclp.h15
-rw-r--r--drivers/s390/char/sclp_cmd.c29
-rw-r--r--drivers/s390/char/sclp_early.c118
-rw-r--r--drivers/s390/char/sclp_sdias.c3
-rw-r--r--drivers/s390/char/zcore.c10
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c8
-rw-r--r--drivers/s390/kvm/kvm_virtio.c4
10 files changed, 76 insertions, 143 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 57fd66357b95..1aec8ff0b587 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -38,6 +38,8 @@
*/
#define DASD_CHANQ_MAX_SIZE 4
+#define DASD_DIAG_MOD "dasd_diag_mod"
+
/*
* SECTION: exported variables of dasd.c
*/
@@ -3300,6 +3302,21 @@ int dasd_generic_set_online(struct ccw_device *cdev,
discipline = base_discipline;
if (device->features & DASD_FEATURE_USEDIAG) {
if (!dasd_diag_discipline_pointer) {
+ /* Try to load the required module. */
+ rc = request_module(DASD_DIAG_MOD);
+ if (rc) {
+ pr_warn("%s Setting the DASD online failed "
+ "because the required module %s "
+ "could not be loaded (rc=%d)\n",
+ dev_name(&cdev->dev), DASD_DIAG_MOD,
+ rc);
+ dasd_delete_device(device);
+ return -ENODEV;
+ }
+ }
+ /* Module init could have failed, so check again here after
+ * request_module(). */
+ if (!dasd_diag_discipline_pointer) {
pr_warn("%s Setting the DASD online failed because of missing DIAG discipline\n",
dev_name(&cdev->dev));
dasd_delete_device(device);
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 01463b052ae7..ef04a9f7a704 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -433,20 +433,23 @@ do_kdgkb_ioctl(struct kbd_data *kbd, struct kbsentry __user *u_kbs,
case KDSKBSENT:
if (!perm)
return -EPERM;
- len = strnlen_user(u_kbs->kb_string,
- sizeof(u_kbs->kb_string) - 1);
+ len = strnlen_user(u_kbs->kb_string, sizeof(u_kbs->kb_string));
if (!len)
return -EFAULT;
- if (len > sizeof(u_kbs->kb_string) - 1)
+ if (len > sizeof(u_kbs->kb_string))
return -EINVAL;
- p = kmalloc(len + 1, GFP_KERNEL);
+ p = kmalloc(len, GFP_KERNEL);
if (!p)
return -ENOMEM;
if (copy_from_user(p, u_kbs->kb_string, len)) {
kfree(p);
return -EFAULT;
}
- p[len] = 0;
+ /*
+ * Make sure the string is terminated by 0. User could have
+ * modified it between us running strnlen_user() and copying it.
+ */
+ p[len - 1] = 0;
kfree(kbd->func_table[kb_func]);
kbd->func_table[kb_func] = p;
break;
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 41ba56d2e752..5e20513c0587 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -665,7 +665,7 @@ sclp_state_change_cb(struct evbuf_header *evbuf)
sclp_send_mask = scbuf->sclp_send_mask;
spin_unlock_irqrestore(&sclp_lock, flags);
if (scbuf->validity_sclp_active_facility_mask)
- sclp_facilities = scbuf->sclp_active_facility_mask;
+ sclp.facilities = scbuf->sclp_active_facility_mask;
sclp_dispatch_state_change();
}
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index a88069f8c677..026e38990952 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -100,13 +100,11 @@ struct init_sccb {
sccb_mask_t sclp_send_mask;
} __attribute__((packed));
-extern u64 sclp_facilities;
-
-#define SCLP_HAS_CHP_INFO (sclp_facilities & 0x8000000000000000ULL)
-#define SCLP_HAS_CHP_RECONFIG (sclp_facilities & 0x2000000000000000ULL)
-#define SCLP_HAS_CPU_INFO (sclp_facilities & 0x0800000000000000ULL)
-#define SCLP_HAS_CPU_RECONFIG (sclp_facilities & 0x0400000000000000ULL)
-#define SCLP_HAS_PCI_RECONFIG (sclp_facilities & 0x0000000040000000ULL)
+#define SCLP_HAS_CHP_INFO (sclp.facilities & 0x8000000000000000ULL)
+#define SCLP_HAS_CHP_RECONFIG (sclp.facilities & 0x2000000000000000ULL)
+#define SCLP_HAS_CPU_INFO (sclp.facilities & 0x0800000000000000ULL)
+#define SCLP_HAS_CPU_RECONFIG (sclp.facilities & 0x0400000000000000ULL)
+#define SCLP_HAS_PCI_RECONFIG (sclp.facilities & 0x0000000040000000ULL)
struct gds_subvector {
@@ -191,9 +189,6 @@ void sclp_sdias_exit(void);
extern int sclp_console_pages;
extern int sclp_console_drop;
extern unsigned long sclp_console_full;
-extern u8 sclp_fac84;
-extern unsigned long long sclp_rzm;
-extern unsigned long long sclp_rnmax;
/* useful inlines */
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 7be782116dab..f74c040d5c10 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -101,7 +101,7 @@ static void sclp_fill_cpu_info(struct sclp_cpu_info *info,
info->configured = sccb->nr_configured;
info->standby = sccb->nr_standby;
info->combined = sccb->nr_configured + sccb->nr_standby;
- info->has_cpu_type = sclp_fac84 & 0x1;
+ info->has_cpu_type = sclp.has_cpu_type;
memcpy(&info->cpu, page + sccb->offset_configured,
info->combined * sizeof(struct sclp_cpu_entry));
}
@@ -186,7 +186,7 @@ int sclp_cpu_deconfigure(u8 cpu)
static DEFINE_MUTEX(sclp_mem_mutex);
static LIST_HEAD(sclp_mem_list);
static u8 sclp_max_storage_id;
-static unsigned long sclp_storage_ids[256 / BITS_PER_LONG];
+static DECLARE_BITMAP(sclp_storage_ids, 256);
static int sclp_mem_state_changed;
struct memory_increment {
@@ -202,14 +202,14 @@ struct assign_storage_sccb {
int arch_get_memory_phys_device(unsigned long start_pfn)
{
- if (!sclp_rzm)
+ if (!sclp.rzm)
return 0;
- return PFN_PHYS(start_pfn) >> ilog2(sclp_rzm);
+ return PFN_PHYS(start_pfn) >> ilog2(sclp.rzm);
}
static unsigned long long rn2addr(u16 rn)
{
- return (unsigned long long) (rn - 1) * sclp_rzm;
+ return (unsigned long long) (rn - 1) * sclp.rzm;
}
static int do_assign_storage(sclp_cmdw_t cmd, u16 rn)
@@ -250,7 +250,7 @@ static int sclp_assign_storage(u16 rn)
if (rc)
return rc;
start = rn2addr(rn);
- storage_key_init_range(start, start + sclp_rzm);
+ storage_key_init_range(start, start + sclp.rzm);
return 0;
}
@@ -309,7 +309,7 @@ static int sclp_mem_change_state(unsigned long start, unsigned long size,
istart = rn2addr(incr->rn);
if (start + size - 1 < istart)
break;
- if (start > istart + sclp_rzm - 1)
+ if (start > istart + sclp.rzm - 1)
continue;
if (online)
rc |= sclp_assign_storage(incr->rn);
@@ -330,7 +330,7 @@ static bool contains_standby_increment(unsigned long start, unsigned long end)
istart = rn2addr(incr->rn);
if (end - 1 < istart)
continue;
- if (start > istart + sclp_rzm - 1)
+ if (start > istart + sclp.rzm - 1)
continue;
if (incr->standby)
return true;
@@ -415,7 +415,7 @@ static void __init add_memory_merged(u16 rn)
if (!first_rn)
goto skip_add;
start = rn2addr(first_rn);
- size = (unsigned long long) num * sclp_rzm;
+ size = (unsigned long long) num * sclp.rzm;
if (start >= VMEM_MAX_PHYS)
goto skip_add;
if (start + size > VMEM_MAX_PHYS)
@@ -465,7 +465,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
}
if (!assigned)
new_incr->rn = last_rn + 1;
- if (new_incr->rn > sclp_rnmax) {
+ if (new_incr->rn > sclp.rnmax) {
kfree(new_incr);
return;
}
@@ -508,7 +508,7 @@ static int __init sclp_detect_standby_memory(void)
if (OLDMEM_BASE) /* No standby memory in kdump mode */
return 0;
- if ((sclp_facilities & 0xe00000000000ULL) != 0xe00000000000ULL)
+ if ((sclp.facilities & 0xe00000000000ULL) != 0xe00000000000ULL)
return 0;
rc = -ENOMEM;
sccb = (void *) __get_free_page(GFP_KERNEL | GFP_DMA);
@@ -550,7 +550,7 @@ static int __init sclp_detect_standby_memory(void)
}
if (rc || list_empty(&sclp_mem_list))
goto out;
- for (i = 1; i <= sclp_rnmax - assigned; i++)
+ for (i = 1; i <= sclp.rnmax - assigned; i++)
insert_increment(0, 1, 0);
rc = register_memory_notifier(&sclp_mem_nb);
if (rc)
@@ -753,8 +753,3 @@ out:
free_page((unsigned long) sccb);
return rc;
}
-
-bool sclp_has_sprp(void)
-{
- return !!(sclp_fac84 & 0x2);
-}
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 1efa4fdb7fe2..d7f696d95597 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -48,23 +48,10 @@ struct read_info_sccb {
} __packed __aligned(PAGE_SIZE);
static char sccb_early[PAGE_SIZE] __aligned(PAGE_SIZE) __initdata;
-static unsigned int sclp_con_has_vt220 __initdata;
-static unsigned int sclp_con_has_linemode __initdata;
-static unsigned long sclp_hsa_size;
-static unsigned int sclp_max_cpu;
static struct sclp_ipl_info sclp_ipl_info;
-static unsigned char sclp_siif;
-static unsigned char sclp_sigpif;
-static u32 sclp_ibc;
-static unsigned int sclp_mtid;
-static unsigned int sclp_mtid_cp;
-static unsigned int sclp_mtid_max;
-static unsigned int sclp_mtid_prev;
-
-u64 sclp_facilities;
-u8 sclp_fac84;
-unsigned long long sclp_rzm;
-unsigned long long sclp_rnmax;
+
+struct sclp_info sclp;
+EXPORT_SYMBOL(sclp);
static int __init sclp_cmd_sync_early(sclp_cmdw_t cmd, void *sccb)
{
@@ -117,22 +104,23 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
if (sclp_read_info_early(sccb))
return;
- sclp_facilities = sccb->facilities;
- sclp_fac84 = sccb->fac84;
+ sclp.facilities = sccb->facilities;
+ sclp.has_sprp = !!(sccb->fac84 & 0x02);
+ sclp.has_cpu_type = !!(sccb->fac84 & 0x01);
if (sccb->fac85 & 0x02)
S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
- sclp_rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
- sclp_rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
- sclp_rzm <<= 20;
- sclp_ibc = sccb->ibc;
+ sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
+ sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
+ sclp.rzm <<= 20;
+ sclp.ibc = sccb->ibc;
if (!sccb->hcpua) {
if (MACHINE_IS_VM)
- sclp_max_cpu = 64;
+ sclp.max_cpu = 64;
else
- sclp_max_cpu = sccb->ncpurl;
+ sclp.max_cpu = sccb->ncpurl;
} else {
- sclp_max_cpu = sccb->hcpua + 1;
+ sclp.max_cpu = sccb->hcpua + 1;
}
boot_cpu_address = stap();
@@ -140,8 +128,8 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
for (cpu = 0; cpu < sccb->ncpurl; cpue++, cpu++) {
if (boot_cpu_address != cpue->core_id)
continue;
- sclp_siif = cpue->siif;
- sclp_sigpif = cpue->sigpif;
+ sclp.has_siif = cpue->siif;
+ sclp.has_sigpif = cpue->sigpif;
break;
}
@@ -151,68 +139,9 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp_ipl_info.has_dump = 1;
memcpy(&sclp_ipl_info.loadparm, &sccb->loadparm, LOADPARM_LEN);
- sclp_mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;
- sclp_mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;
- sclp_mtid_max = max(sclp_mtid, sclp_mtid_cp);
- sclp_mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;
-}
-
-bool __init sclp_has_linemode(void)
-{
- return !!sclp_con_has_linemode;
-}
-
-bool __init sclp_has_vt220(void)
-{
- return !!sclp_con_has_vt220;
-}
-
-unsigned long long sclp_get_rnmax(void)
-{
- return sclp_rnmax;
-}
-
-unsigned long long sclp_get_rzm(void)
-{
- return sclp_rzm;
-}
-
-unsigned int sclp_get_max_cpu(void)
-{
- return sclp_max_cpu;
-}
-
-int sclp_has_siif(void)
-{
- return sclp_siif;
-}
-EXPORT_SYMBOL(sclp_has_siif);
-
-int sclp_has_sigpif(void)
-{
- return sclp_sigpif;
-}
-EXPORT_SYMBOL(sclp_has_sigpif);
-
-unsigned int sclp_get_ibc(void)
-{
- return sclp_ibc;
-}
-EXPORT_SYMBOL(sclp_get_ibc);
-
-unsigned int sclp_get_mtid(u8 cpu_type)
-{
- return cpu_type ? sclp_mtid : sclp_mtid_cp;
-}
-
-unsigned int sclp_get_mtid_max(void)
-{
- return sclp_mtid_max;
-}
-
-unsigned int sclp_get_mtid_prev(void)
-{
- return sclp_mtid_prev;
+ sclp.mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;
+ sclp.mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;
+ sclp.mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;
}
/*
@@ -286,11 +215,6 @@ static long __init sclp_hsa_copy_wait(struct sccb_header *sccb)
return (((struct sdias_sccb *) sccb)->evbuf.blk_cnt - 1) * PAGE_SIZE;
}
-unsigned long sclp_get_hsa_size(void)
-{
- return sclp_hsa_size;
-}
-
static void __init sclp_hsa_size_detect(void *sccb)
{
long size;
@@ -313,7 +237,7 @@ static void __init sclp_hsa_size_detect(void *sccb)
if (size < 0)
return;
out:
- sclp_hsa_size = size;
+ sclp.hsa_size = size;
}
static unsigned int __init sclp_con_check_linemode(struct init_sccb *sccb)
@@ -331,10 +255,10 @@ static void __init sclp_console_detect(struct init_sccb *sccb)
return;
if (sccb->sclp_send_mask & EVTYP_VT220MSG_MASK)
- sclp_con_has_vt220 = 1;
+ sclp.has_vt220 = 1;
if (sclp_con_check_linemode(sccb))
- sclp_con_has_linemode = 1;
+ sclp.has_linemode = 1;
}
void __init sclp_early_detect(void)
diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c
index eb7cb076c001..7cdd13dd7be1 100644
--- a/drivers/s390/char/sclp_sdias.c
+++ b/drivers/s390/char/sclp_sdias.c
@@ -21,7 +21,6 @@
#define TRACE(x...) debug_sprintf_event(sdias_dbf, 1, x)
#define SDIAS_RETRIES 300
-#define SDIAS_SLEEP_TICKS 50
static struct debug_info *sdias_dbf;
@@ -68,7 +67,7 @@ static int sdias_sclp_send(struct sclp_req *req)
/* not initiated, wait some time and retry */
set_current_state(TASK_INTERRUPTIBLE);
TRACE("add request failed: rc = %i\n",rc);
- schedule_timeout(SDIAS_SLEEP_TICKS);
+ schedule_timeout(msecs_to_jiffies(500));
continue;
}
/* initiated, wait for completion of service call */
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index a68fcfd1d48c..9a3dd95029cc 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -330,9 +330,9 @@ static ssize_t zcore_read(struct file *file, char __user *buf, size_t count,
mem_offs = 0;
/* Copy from HSA data */
- if (*ppos < sclp_get_hsa_size() + HEADER_SIZE) {
+ if (*ppos < sclp.hsa_size + HEADER_SIZE) {
size = min((count - hdr_count),
- (size_t) (sclp_get_hsa_size() - mem_start));
+ (size_t) (sclp.hsa_size - mem_start));
rc = memcpy_hsa_user(buf + hdr_count, mem_start, size);
if (rc)
goto fail;
@@ -483,7 +483,7 @@ static ssize_t zcore_hsa_read(struct file *filp, char __user *buf,
static char str[18];
if (hsa_available)
- snprintf(str, sizeof(str), "%lx\n", sclp_get_hsa_size());
+ snprintf(str, sizeof(str), "%lx\n", sclp.hsa_size);
else
snprintf(str, sizeof(str), "0\n");
return simple_read_from_buffer(buf, count, ppos, str, strlen(str));
@@ -558,7 +558,7 @@ static int __init sys_info_init(enum arch_id arch, unsigned long mem_end)
static int __init check_sdias(void)
{
- if (!sclp_get_hsa_size()) {
+ if (!sclp.hsa_size) {
TRACE("Could not determine HSA size\n");
return -ENODEV;
}
@@ -619,7 +619,7 @@ static int __init zcore_reipl_init(void)
ipl_block = (void *) __get_free_page(GFP_KERNEL);
if (!ipl_block)
return -ENOMEM;
- if (ipib_info.ipib < sclp_get_hsa_size())
+ if (ipib_info.ipib < sclp.hsa_size)
rc = memcpy_hsa_kernel(ipl_block, ipib_info.ipib, PAGE_SIZE);
else
rc = memcpy_real(ipl_block, (void *) ipib_info.ipib, PAGE_SIZE);
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 4d14c04b746e..9f18876f058b 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -98,11 +98,11 @@ static struct ap_driver zcrypt_pcicc_driver = {
* - VUD block
*/
static struct CPRB static_cprb = {
- .cprb_len = __constant_cpu_to_le16(0x0070),
+ .cprb_len = cpu_to_le16(0x0070),
.cprb_ver_id = 0x41,
.func_id = {0x54,0x32},
.checkpoint_flag= 0x01,
- .svr_namel = __constant_cpu_to_le16(0x0008),
+ .svr_namel = cpu_to_le16(0x0008),
.svr_name = {'I','C','S','F',' ',' ',' ',' '}
};
@@ -164,7 +164,7 @@ static int ICAMEX_msg_to_type6MEX_msg(struct zcrypt_device *zdev,
};
static struct function_and_rules_block static_pke_function_and_rules ={
.function_code = {'P','K'},
- .ulen = __constant_cpu_to_le16(10),
+ .ulen = cpu_to_le16(10),
.only_rule = {'P','K','C','S','-','1','.','2'}
};
struct {
@@ -251,7 +251,7 @@ static int ICACRT_msg_to_type6CRT_msg(struct zcrypt_device *zdev,
};
static struct function_and_rules_block static_pkd_function_and_rules ={
.function_code = {'P','D'},
- .ulen = __constant_cpu_to_le16(10),
+ .ulen = cpu_to_le16(10),
.only_rule = {'P','K','C','S','-','1','.','2'}
};
struct {
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index dd65c8b4c7fe..53fb975c404b 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -450,7 +450,7 @@ static int __init test_devices_support(unsigned long addr)
static int __init kvm_devices_init(void)
{
int rc;
- unsigned long total_memory_size = sclp_get_rzm() * sclp_get_rnmax();
+ unsigned long total_memory_size = sclp.rzm * sclp.rnmax;
if (!MACHINE_IS_KVM)
return -ENODEV;
@@ -497,7 +497,7 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
static int __init s390_virtio_console_init(void)
{
- if (sclp_has_vt220() || sclp_has_linemode())
+ if (sclp.has_vt220 || sclp.has_linemode)
return -ENODEV;
return virtio_cons_early_init(early_put_chars);
}