[S390] cpu topology: remove dead code

Interrupts haven't been implemented. So remove the dead code.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 18 deletions

diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 71e6f56bfead..b3aac53fd6dc 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;
 }