1 files changed, 0 insertions, 137 deletions
diff --git a/arch/arm/mach-s3c/bast-irq.c b/arch/arm/mach-s3c/bast-irq.c
deleted file mode 100644
index cfc2ddc65513..000000000000
--- a/arch/arm/mach-s3c/bast-irq.c
+++ /dev/null
@@ -1,137 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-//
-// Copyright 2003-2005 Simtec Electronics
-//   Ben Dooks <ben@simtec.co.uk>
-//
-// http://www.simtec.co.uk/products/EB2410ITX/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-#include <asm/mach/irq.h>
-
-#include "regs-irq.h"
-#include "irqs.h"
-
-#include "bast.h"
-
-#define irqdbf(x...)
-#define irqdbf2(x...)
-
-/* handle PC104 ISA interrupts from the system CPLD */
-
-/* table of ISA irq nos to the relevant mask... zero means
- * the irq is not implemented
-*/
-static const unsigned char bast_pc104_irqmasks[] = {
-	0,   /* 0 */
-	0,   /* 1 */
-	0,   /* 2 */
-	1,   /* 3 */
-	0,   /* 4 */
-	2,   /* 5 */
-	0,   /* 6 */
-	4,   /* 7 */
-	0,   /* 8 */
-	0,   /* 9 */
-	8,   /* 10 */
-	0,   /* 11 */
-	0,   /* 12 */
-	0,   /* 13 */
-	0,   /* 14 */
-	0,   /* 15 */
-};
-
-static const unsigned char bast_pc104_irqs[] = { 3, 5, 7, 10 };
-
-static void
-bast_pc104_mask(struct irq_data *data)
-{
-	unsigned long temp;
-
-	temp = __raw_readb(BAST_VA_PC104_IRQMASK);
-	temp &= ~bast_pc104_irqmasks[data->irq];
-	__raw_writeb(temp, BAST_VA_PC104_IRQMASK);
-}
-
-static void
-bast_pc104_maskack(struct irq_data *data)
-{
-	struct irq_desc *desc = irq_to_desc(BAST_IRQ_ISA);
-
-	bast_pc104_mask(data);
-	desc->irq_data.chip->irq_ack(&desc->irq_data);
-}
-
-static void
-bast_pc104_unmask(struct irq_data *data)
-{
-	unsigned long temp;
-
-	temp = __raw_readb(BAST_VA_PC104_IRQMASK);
-	temp |= bast_pc104_irqmasks[data->irq];
-	__raw_writeb(temp, BAST_VA_PC104_IRQMASK);
-}
-
-static struct irq_chip  bast_pc104_chip = {
-	.irq_mask	= bast_pc104_mask,
-	.irq_unmask	= bast_pc104_unmask,
-	.irq_ack	= bast_pc104_maskack
-};
-
-static void bast_irq_pc104_demux(struct irq_desc *desc)
-{
-	unsigned int stat;
-	unsigned int irqno;
-	int i;
-
-	stat = __raw_readb(BAST_VA_PC104_IRQREQ) & 0xf;
-
-	if (unlikely(stat == 0)) {
-		/* ack if we get an irq with nothing (ie, startup) */
-		desc->irq_data.chip->irq_ack(&desc->irq_data);
-	} else {
-		/* handle the IRQ */
-
-		for (i = 0; stat != 0; i++, stat >>= 1) {
-			if (stat & 1) {
-				irqno = bast_pc104_irqs[i];
-				generic_handle_irq(irqno);
-			}
-		}
-	}
-}
-
-static __init int bast_irq_init(void)
-{
-	unsigned int i;
-
-	if (machine_is_bast()) {
-		printk(KERN_INFO "BAST PC104 IRQ routing, Copyright 2005 Simtec Electronics\n");
-
-		/* zap all the IRQs */
-
-		__raw_writeb(0x0, BAST_VA_PC104_IRQMASK);
-
-		irq_set_chained_handler(BAST_IRQ_ISA, bast_irq_pc104_demux);
-
-		/* register our IRQs */
-
-		for (i = 0; i < 4; i++) {
-			unsigned int irqno = bast_pc104_irqs[i];
-
-			irq_set_chip_and_handler(irqno, &bast_pc104_chip,
-						 handle_level_irq);
-			irq_clear_status_flags(irqno, IRQ_NOREQUEST);
-		}
-	}
-
-	return 0;
-}
-
-arch_initcall(bast_irq_init);