1 files changed, 0 insertions, 94 deletions
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
deleted file mode 100644
index 83d92724a97..00000000000
--- a/arch/arm/mach-ns9xxx/irq.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * arch/arm/mach-ns9xxx/irq.c
- *
- * Copyright (C) 2006,2007 by Digi International Inc.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-#include <linux/interrupt.h>
-#include <asm/mach/irq.h>
-#include <asm/mach-types.h>
-#include <asm/arch-ns9xxx/regs-sys.h>
-#include <asm/arch-ns9xxx/irqs.h>
-#include <asm/arch-ns9xxx/board.h>
-
-#include "generic.h"
-
-static void ns9xxx_ack_irq_timer(unsigned int irq)
-{
-	u32 tc = SYS_TC(irq - IRQ_TIMER0);
-
-	REGSET(tc, SYS_TCx, INTC, SET);
-	SYS_TC(irq - IRQ_TIMER0) = tc;
-
-	REGSET(tc, SYS_TCx, INTC, UNSET);
-	SYS_TC(irq - IRQ_TIMER0) = tc;
-}
-
-void (*ns9xxx_ack_irq_functions[NR_IRQS])(unsigned int) = {
-	[IRQ_TIMER0] = ns9xxx_ack_irq_timer,
-	[IRQ_TIMER1] = ns9xxx_ack_irq_timer,
-	[IRQ_TIMER2] = ns9xxx_ack_irq_timer,
-	[IRQ_TIMER3] = ns9xxx_ack_irq_timer,
-};
-
-static void ns9xxx_mask_irq(unsigned int irq)
-{
-	/* XXX: better use cpp symbols */
-	SYS_IC(irq / 4) &= ~(1 << (7 + 8 * (3 - (irq & 3))));
-}
-
-static void ns9xxx_ack_irq(unsigned int irq)
-{
-	if (!ns9xxx_ack_irq_functions[irq]) {
-		printk(KERN_ERR "no ack function for irq %u\n", irq);
-		BUG();
-	}
-
-	ns9xxx_ack_irq_functions[irq](irq);
-	SYS_ISRADDR = 0;
-}
-
-static void ns9xxx_maskack_irq(unsigned int irq)
-{
-	ns9xxx_mask_irq(irq);
-	ns9xxx_ack_irq(irq);
-}
-
-static void ns9xxx_unmask_irq(unsigned int irq)
-{
-	/* XXX: better use cpp symbols */
-	SYS_IC(irq / 4) |= 1 << (7 + 8 * (3 - (irq & 3)));
-}
-
-static struct irq_chip ns9xxx_chip = {
-	.ack		= ns9xxx_ack_irq,
-	.mask		= ns9xxx_mask_irq,
-	.mask_ack	= ns9xxx_maskack_irq,
-	.unmask		= ns9xxx_unmask_irq,
-};
-
-void __init ns9xxx_init_irq(void)
-{
-	int i;
-
-	/* disable all IRQs */
-	for (i = 0; i < 8; ++i)
-		SYS_IC(i) = (4 * i) << 24 | (4 * i + 1) << 16 |
-			(4 * i + 2) << 8 | (4 * i + 3);
-
-	/* simple interrupt prio table:
-	 * prio(x) < prio(y) <=> x < y
-	 */
-	for (i = 0; i < 32; ++i)
-		SYS_IVA(i) = i;
-
-	for (i = IRQ_WATCHDOG; i <= IRQ_EXT3; ++i) {
-		set_irq_chip(i, &ns9xxx_chip);
-		set_irq_handler(i, handle_level_irq);
-		set_irq_flags(i, IRQF_VALID);
-	}
-}