[S390] time: convert from bootmem to slab

The slab allocator is earlier available so convert the
bootmem allocations to slab/gfp allocations.

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

2 files changed, 5 insertions, 16 deletions

diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 215330a2c128..d4c8e9c47c81 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -36,7 +36,6 @@
 #include <linux/notifier.h>
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
-#include <linux/bootmem.h>
 #include <asm/uaccess.h>
 #include <asm/delay.h>
 #include <asm/s390_ext.h>
@@ -62,9 +61,6 @@
 
 u64 sched_clock_base_cc = -1;   /* Force to data section. */
 
-static ext_int_info_t ext_int_info_cc;
-static ext_int_info_t ext_int_etr_cc;
-
 static DEFINE_PER_CPU(struct clock_event_device, comparators);
 
 /*
@@ -255,15 +251,11 @@ void __init time_init(void)
         stp_reset();
 
         /* request the clock comparator external interrupt */
-        if (register_early_external_interrupt(0x1004,
-                                              clock_comparator_interrupt,
-                                              &ext_int_info_cc) != 0)
+        if (register_external_interrupt(0x1004, clock_comparator_interrupt))
                 panic("Couldn't request external interrupt 0x1004");
 
         /* request the timing alert external interrupt */
-        if (register_early_external_interrupt(0x1406,
-                                              timing_alert_interrupt,
-                                              &ext_int_etr_cc) != 0)
+        if (register_external_interrupt(0x1406, timing_alert_interrupt))
                 panic("Couldn't request external interrupt 0x1406");
 
         if (clocksource_register(&clocksource_tod) != 0)
@@ -1445,14 +1437,14 @@ static void __init stp_reset(void)
 {
         int rc;
 
-        stp_page = alloc_bootmem_pages(PAGE_SIZE);
+        stp_page = (void *) get_zeroed_page(GFP_ATOMIC);
         rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000);
         if (rc == 0)
                 set_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags);
         else if (stp_online) {
                 pr_warning("The real or virtual hardware system does "
                            "not provide an STP interface\n");
-                free_bootmem((unsigned long) stp_page, PAGE_SIZE);
+                free_page((unsigned long) stp_page);
                 stp_page = NULL;
                 stp_online = 0;
         }
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index c8eb7255332b..ade17e771f05 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -25,8 +25,6 @@
 #include <asm/irq_regs.h>
 #include <asm/cputime.h>
 
-static ext_int_info_t ext_int_info_timer;
-
 static DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer);
 
 DEFINE_PER_CPU(struct s390_idle_data, s390_idle) = {
@@ -557,8 +555,7 @@ void init_cpu_vtimer(void)
 void __init vtime_init(void)
 {
         /* request the cpu timer external interrupt */
-        if (register_early_external_interrupt(0x1005, do_cpu_timer_interrupt,
-                                              &ext_int_info_timer) != 0)
+        if (register_external_interrupt(0x1005, do_cpu_timer_interrupt))
                 panic("Couldn't request external interrupt 0x1005");
 
         /* Enable cpu timer interrupts on the boot cpu. */