1 files changed, 4 insertions, 54 deletions

diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
index 389fa5c669de..bf0fd48cbd80 100644
--- a/arch/arm/mach-ns9xxx/irq.c
+++ b/arch/arm/mach-ns9xxx/irq.c
@@ -31,17 +31,11 @@ static void ns9xxx_mask_irq(struct irq_data *d)
         __raw_writel(ic, SYS_IC(prio / 4));
 }
 
-static void ns9xxx_ack_irq(struct irq_data *d)
+static void ns9xxx_eoi_irq(struct irq_data *d)
 {
         __raw_writel(0, SYS_ISRADDR);
 }
 
-static void ns9xxx_maskack_irq(struct irq_data *d)
-{
-        ns9xxx_mask_irq(d);
-        ns9xxx_ack_irq(d);
-}
-
 static void ns9xxx_unmask_irq(struct irq_data *d)
 {
         /* XXX: better use cpp symbols */
@@ -52,56 +46,11 @@ static void ns9xxx_unmask_irq(struct irq_data *d)
 }
 
 static struct irq_chip ns9xxx_chip = {
-        .irq_ack        = ns9xxx_ack_irq,
+        .irq_eoi        = ns9xxx_eoi_irq,
         .irq_mask       = ns9xxx_mask_irq,
-        .irq_mask_ack   = ns9xxx_maskack_irq,
         .irq_unmask     = ns9xxx_unmask_irq,
 };
 
-#if 0
-#define handle_irq handle_level_irq
-#else
-static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
-{
-        struct irqaction *action;
-        irqreturn_t action_ret;
-
-        raw_spin_lock(&desc->lock);
-
-        BUG_ON(desc->status & IRQ_INPROGRESS);
-
-        desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-        kstat_incr_irqs_this_cpu(irq, desc);
-
-        action = desc->action;
-        if (unlikely(!action || (desc->status & IRQ_DISABLED)))
-                goto out_mask;
-
-        desc->status |= IRQ_INPROGRESS;
-        raw_spin_unlock(&desc->lock);
-
-        action_ret = handle_IRQ_event(irq, action);
-
-        /* XXX: There is no direct way to access noirqdebug, so check
-         * unconditionally for spurious irqs...
-         * Maybe this function should go to kernel/irq/chip.c? */
-        note_interrupt(irq, desc, action_ret);
-
-        raw_spin_lock(&desc->lock);
-        desc->status &= ~IRQ_INPROGRESS;
-
-        if (desc->status & IRQ_DISABLED)
-out_mask:
-                desc->irq_data.chip->irq_mask(&desc->irq_data);
-
-        /* ack unconditionally to unmask lower prio irqs */
-        desc->irq_data.chip->irq_ack(&desc->irq_data);
-
-        raw_spin_unlock(&desc->lock);
-}
-#define handle_irq handle_prio_irq
-#endif
-
 void __init ns9xxx_init_irq(void)
 {
         int i;
@@ -119,7 +68,8 @@ void __init ns9xxx_init_irq(void)
 
         for (i = 0; i <= 31; ++i) {
                 set_irq_chip(i, &ns9xxx_chip);
-                set_irq_handler(i, handle_irq);
+                set_irq_handler(i, handle_fasteoi_irq);
                 set_irq_flags(i, IRQF_VALID);
+                irq_set_status_flags(i, IRQ_LEVEL);
         }
 }