2 files changed, 7 insertions, 34 deletions

diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index f01ba1f90770..270ecd3e6b4a 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -354,29 +354,6 @@ static struct irq_chip bridge_irq_type = {
         .end            = end_bridge_irq,
 };
 
-static unsigned long irq_map[NR_IRQS / BITS_PER_LONG];
-
-int allocate_irqno(void)
-{
-        int irq;
-
-again:
-        irq = find_first_zero_bit(irq_map, NR_IRQS);
-
-        if (irq >= NR_IRQS)
-                return -ENOSPC;
-
-        if (test_and_set_bit(irq, irq_map))
-                goto again;
-
-        return irq;
-}
-
-void free_irqno(unsigned int irq)
-{
-        clear_bit(irq, irq_map);
-}
-
 void __devinit register_bridge_irq(unsigned int irq)
 {
         irq_desc[irq].status    = IRQ_DISABLED;
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 4e870fc4469b..5e82a268e3c9 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -134,13 +134,6 @@ again:
         irq_exit();
 }
 
-unsigned long ip27_do_gettimeoffset(void)
-{
-        unsigned long ct_cur1;
-        ct_cur1 = REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT) + CYCLES_PER_JIFFY;
-        return (ct_cur1 - ct_cur[0]) * NSEC_PER_CYCLE / 1000;
-}
-
 /* Includes for ioc3_init().  */
 #include <asm/sn/types.h>
 #include <asm/sn/sn0/addrs.h>
@@ -221,8 +214,6 @@ static struct irqaction rt_irqaction = {
         .name           = "timer"
 };
 
-extern int allocate_irqno(void);
-
 void __init plat_timer_setup(struct irqaction *irq)
 {
         int irqno  = allocate_irqno();
@@ -248,12 +239,17 @@ void __init plat_timer_setup(struct irqaction *irq)
         setup_irq(irqno, &rt_irqaction);
 }
 
+static unsigned int ip27_hpt_read(void)
+{
+        return REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT);
+}
+
 void __init ip27_time_init(void)
 {
+        mips_hpt_read = ip27_hpt_read;
+        mips_hpt_frequency = CYCLES_PER_SEC;
         xtime.tv_sec = get_m48t35_time();
         xtime.tv_nsec = 0;
-
-        do_gettimeoffset = ip27_do_gettimeoffset;
 }
 
 void __init cpu_time_init(void)