ia64: Remove stale irq_chip.end

irq_chip.end got obsolete with the removal of __do_IRQ().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Luck <tony.luck@intel.com>
LKML-Reference: <20110203004210.143127544@linutronix.de>

1 files changed, 0 insertions, 23 deletions

diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 13c15d968098..658c716283ce 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -114,28 +114,6 @@ static void sn_ack_irq(unsigned int irq)
         move_native_irq(irq);
 }
 
-static void sn_end_irq(unsigned int irq)
-{
-        int ivec;
-        u64 event_occurred;
-
-        ivec = irq & 0xff;
-        if (ivec == SGI_UART_VECTOR) {
-                event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR (SH_EVENT_OCCURRED));
-                /* If the UART bit is set here, we may have received an
-                 * interrupt from the UART that the driver missed.  To
-                 * make sure, we IPI ourselves to force us to look again.
-                 */
-                if (event_occurred & SH_EVENT_OCCURRED_UART_INT_MASK) {
-                        platform_send_ipi(smp_processor_id(), SGI_UART_VECTOR,
-                                          IA64_IPI_DM_INT, 0);
-                }
-        }
-        __clear_bit(ivec, (volatile void *)pda->sn_in_service_ivecs);
-        if (sn_force_interrupt_flag)
-                force_interrupt(irq);
-}
-
 static void sn_irq_info_free(struct rcu_head *head);
 
 struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
@@ -275,7 +253,6 @@ struct irq_chip irq_type_sn = {
         .enable         = sn_enable_irq,
         .disable        = sn_disable_irq,
         .ack            = sn_ack_irq,
-        .end            = sn_end_irq,
         .mask           = sn_mask_irq,
         .unmask         = sn_unmask_irq,
         .set_affinity   = sn_set_affinity_irq