aboutsummaryrefslogtreecommitdiff
path: root/arch/m68k/mvme147/147ints.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/mvme147/147ints.c')
-rw-r--r--arch/m68k/mvme147/147ints.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/arch/m68k/mvme147/147ints.c b/arch/m68k/mvme147/147ints.c
deleted file mode 100644
index b4aa5e8f44e..00000000000
--- a/arch/m68k/mvme147/147ints.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * arch/m68k/mvme147/147ints.c
- *
- * Copyright (C) 1997 Richard Hirst [richard@sleepie.demon.co.uk]
- *
- * based on amiints.c -- Amiga Linux interrupt handling code
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file README.legal in the main directory of this archive
- * for more details.
- *
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/seq_file.h>
-
-#include <asm/ptrace.h>
-#include <asm/system.h>
-#include <asm/irq.h>
-#include <asm/traps.h>
-
-static irqreturn_t mvme147_defhand (int irq, void *dev_id, struct pt_regs *fp);
-
-/*
- * This should ideally be 4 elements only, for speed.
- */
-
-static struct {
- irqreturn_t (*handler)(int, void *, struct pt_regs *);
- unsigned long flags;
- void *dev_id;
- const char *devname;
- unsigned count;
-} irq_tab[256];
-
-/*
- * void mvme147_init_IRQ (void)
- *
- * Parameters: None
- *
- * Returns: Nothing
- *
- * This function is called during kernel startup to initialize
- * the mvme147 IRQ handling routines.
- */
-
-void mvme147_init_IRQ (void)
-{
- int i;
-
- for (i = 0; i < 256; i++) {
- irq_tab[i].handler = mvme147_defhand;
- irq_tab[i].flags = IRQ_FLG_STD;
- irq_tab[i].dev_id = NULL;
- irq_tab[i].devname = NULL;
- irq_tab[i].count = 0;
- }
-}
-
-int mvme147_request_irq(unsigned int irq,
- irqreturn_t (*handler)(int, void *, struct pt_regs *),
- unsigned long flags, const char *devname, void *dev_id)
-{
- if (irq > 255) {
- printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
- return -ENXIO;
- }
- if (!(irq_tab[irq].flags & IRQ_FLG_STD)) {
- if (irq_tab[irq].flags & IRQ_FLG_LOCK) {
- printk("%s: IRQ %d from %s is not replaceable\n",
- __FUNCTION__, irq, irq_tab[irq].devname);
- return -EBUSY;
- }
- if (flags & IRQ_FLG_REPLACE) {
- printk("%s: %s can't replace IRQ %d from %s\n",
- __FUNCTION__, devname, irq, irq_tab[irq].devname);
- return -EBUSY;
- }
- }
- irq_tab[irq].handler = handler;
- irq_tab[irq].flags = flags;
- irq_tab[irq].dev_id = dev_id;
- irq_tab[irq].devname = devname;
- return 0;
-}
-
-void mvme147_free_irq(unsigned int irq, void *dev_id)
-{
- if (irq > 255) {
- printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
- return;
- }
- if (irq_tab[irq].dev_id != dev_id)
- printk("%s: Removing probably wrong IRQ %d from %s\n",
- __FUNCTION__, irq, irq_tab[irq].devname);
-
- irq_tab[irq].handler = mvme147_defhand;
- irq_tab[irq].flags = IRQ_FLG_STD;
- irq_tab[irq].dev_id = NULL;
- irq_tab[irq].devname = NULL;
-}
-
-irqreturn_t mvme147_process_int (unsigned long vec, struct pt_regs *fp)
-{
- if (vec > 255) {
- printk ("mvme147_process_int: Illegal vector %ld\n", vec);
- return IRQ_NONE;
- } else {
- irq_tab[vec].count++;
- irq_tab[vec].handler(vec, irq_tab[vec].dev_id, fp);
- return IRQ_HANDLED;
- }
-}
-
-int show_mvme147_interrupts (struct seq_file *p, void *v)
-{
- int i;
-
- for (i = 0; i < 256; i++) {
- if (irq_tab[i].count)
- seq_printf(p, "Vec 0x%02x: %8d %s\n",
- i, irq_tab[i].count,
- irq_tab[i].devname ? irq_tab[i].devname : "free");
- }
- return 0;
-}
-
-
-static irqreturn_t mvme147_defhand (int irq, void *dev_id, struct pt_regs *fp)
-{
- printk ("Unknown interrupt 0x%02x\n", irq);
- return IRQ_NONE;
-}
-
-void mvme147_enable_irq (unsigned int irq)
-{
-}
-
-
-void mvme147_disable_irq (unsigned int irq)
-{
-}
-