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Diffstat (limited to 'arch/s390/kernel/topology.c')
-rw-r--r--arch/s390/kernel/topology.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 71e6f56bfea..b3aac53fd6d 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -63,7 +63,6 @@ static void topology_work_fn(struct work_struct *work);
static struct tl_info *tl_info;
static struct core_info core_info;
static int machine_has_topology;
-static int machine_has_topology_irq;
static struct timer_list topology_timer;
static void set_topology_timer(void);
static DECLARE_WORK(topology_work, topology_work_fn);
@@ -259,11 +258,6 @@ static void set_topology_timer(void)
add_timer(&topology_timer);
}
-static void topology_interrupt(__u16 code)
-{
- schedule_work(&topology_work);
-}
-
static int __init early_parse_topology(char *p)
{
if (strncmp(p, "on", 2))
@@ -283,14 +277,7 @@ static int __init init_topology_update(void)
goto out;
}
init_timer_deferrable(&topology_timer);
- if (machine_has_topology_irq) {
- rc = register_external_interrupt(0x2005, topology_interrupt);
- if (rc)
- goto out;
- ctl_set_bit(0, 8);
- }
- else
- set_topology_timer();
+ set_topology_timer();
out:
update_cpu_core_map();
return rc;
@@ -311,9 +298,6 @@ void __init s390_init_cpu_topology(void)
return;
machine_has_topology = 1;
- if (facility_bits & (1ULL << 51))
- machine_has_topology_irq = 1;
-
tl_info = alloc_bootmem_pages(PAGE_SIZE);
info = tl_info;
stsi(info, 15, 1, 2);
@@ -337,5 +321,4 @@ void __init s390_init_cpu_topology(void)
return;
error:
machine_has_topology = 0;
- machine_has_topology_irq = 0;
}