Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/linux/kernel.h

9 files changed, 151 insertions, 451 deletions

diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index b19b7dd9bd2..6eaa881793d 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -81,7 +81,7 @@ irqreturn_t baboon_irq(int irq, void *dev_id, struct pt_regs *regs)
 	for (i = 0, irq_bit = 1 ; i < 3 ; i++, irq_bit <<= 1) {
 	        if (events & irq_bit/* & baboon_active*/) {
 			baboon_active &= ~irq_bit;
-			mac_do_irq_list(IRQ_BABOON_0 + i, regs);
+			m68k_handle_int(IRQ_BABOON_0 + i, regs);
 			baboon_active |= irq_bit;
 			baboon->mb_ifr &= ~irq_bit;
 		}
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 14f8d3f4e19..85dda1095b1 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -10,7 +10,6 @@
  * Miscellaneous linux stuff
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/mm.h>
@@ -89,38 +88,11 @@ extern void mac_debugging_long(int, long);
 
 static void mac_get_model(char *str);
 
-void mac_bang(int irq, void *vector, struct pt_regs *p)
-{
-	printk(KERN_INFO "Resetting ...\n");
-	mac_reset();
-}
-
 static void mac_sched_init(irqreturn_t (*vector)(int, void *, struct pt_regs *))
 {
 	via_init_clock(vector);
 }
 
-#if 0
-void mac_waitbut (void)
-{
-	;
-}
-#endif
-
-extern irqreturn_t mac_default_handler(int, void *, struct pt_regs *);
-
-irqreturn_t (*mac_handlers[8])(int, void *, struct pt_regs *)=
-{
-	mac_default_handler,
-	mac_default_handler,
-	mac_default_handler,
-	mac_default_handler,
-	mac_default_handler,
-	mac_default_handler,
-	mac_default_handler,
-	mac_default_handler
-};
-
 /*
  * Parse a Macintosh-specific record in the bootinfo
  */
@@ -196,13 +168,7 @@ void __init config_mac(void)
 
 	mach_sched_init      = mac_sched_init;
 	mach_init_IRQ        = mac_init_IRQ;
-	mach_request_irq     = mac_request_irq;
-	mach_free_irq        = mac_free_irq;
-	enable_irq           = mac_enable_irq;
-	disable_irq          = mac_disable_irq;
 	mach_get_model	 = mac_get_model;
-	mach_default_handler = &mac_handlers;
-	mach_get_irq_list    = show_mac_interrupts;
 	mach_gettimeoffset   = mac_gettimeoffset;
 #warning move to adb/via init
 #if 0
diff --git a/arch/m68k/mac/debug.c b/arch/m68k/mac/debug.c
index cc62ed61cda..4eeb09dc0e8 100644
--- a/arch/m68k/mac/debug.c
+++ b/arch/m68k/mac/debug.c
@@ -14,7 +14,6 @@
  * for more details.
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/tty.h>
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 9179a379840..bc657b1057a 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -104,7 +104,6 @@
  * should execute quickly.)
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
@@ -317,7 +316,7 @@ void __init iop_register_interrupts(void)
 {
 	if (iop_ism_present) {
 		if (oss_present) {
-			cpu_request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
+			request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
 					IRQ_FLG_LOCK, "ISM IOP",
 					(void *) IOP_NUM_ISM);
 			oss_irq_enable(IRQ_MAC_ADB);
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 1809601ad90..694b14bb0de 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -137,14 +137,6 @@
 #define DEBUG_SPURIOUS
 #define SHUTUP_SONIC
 
-/*
- * The mac_irq_list array is an array of linked lists of irq_node_t nodes.
- * Each node contains one handler to be called whenever the interrupt
- * occurs, with fast handlers listed before slow handlers.
- */
-
-irq_node_t *mac_irq_list[NUM_MAC_SOURCES];
-
 /* SCC interrupt mask */
 
 static int scc_mask;
@@ -209,34 +201,37 @@ extern int  baboon_irq_pending(int);
  * SCC interrupt routines
  */
 
-static void scc_irq_enable(int);
-static void scc_irq_disable(int);
+static void scc_irq_enable(unsigned int);
+static void scc_irq_disable(unsigned int);
 
 /*
  * console_loglevel determines NMI handler function
  */
 
-extern irqreturn_t mac_bang(int, void *, struct pt_regs *);
 irqreturn_t mac_nmi_handler(int, void *, struct pt_regs *);
 irqreturn_t mac_debug_handler(int, void *, struct pt_regs *);
 
 /* #define DEBUG_MACINTS */
 
+static void mac_enable_irq(unsigned int irq);
+static void mac_disable_irq(unsigned int irq);
+
+static struct irq_controller mac_irq_controller = {
+	.name		= "mac",
+	.lock		= SPIN_LOCK_UNLOCKED,
+	.enable		= mac_enable_irq,
+	.disable	= mac_disable_irq,
+};
+
 void mac_init_IRQ(void)
 {
-        int i;
-
 #ifdef DEBUG_MACINTS
 	printk("mac_init_IRQ(): Setting things up...\n");
 #endif
-	/* Initialize the IRQ handler lists. Initially each list is empty, */
-
-	for (i = 0; i < NUM_MAC_SOURCES; i++) {
-		mac_irq_list[i] = NULL;
-	}
-
 	scc_mask = 0;
 
+	m68k_setup_irq_controller(&mac_irq_controller, IRQ_USER,
+				  NUM_MAC_SOURCES - IRQ_USER);
 	/* Make sure the SONIC interrupt is cleared or things get ugly */
 #ifdef SHUTUP_SONIC
 	printk("Killing onboard sonic... ");
@@ -253,15 +248,16 @@ void mac_init_IRQ(void)
 	 * at levels 1-7. Most of the work is done elsewhere.
 	 */
 
-	if (oss_present) {
+	if (oss_present)
 		oss_register_interrupts();
-	} else {
+	else
 		via_register_interrupts();
-	}
-	if (psc_present) psc_register_interrupts();
-	if (baboon_present) baboon_register_interrupts();
+	if (psc_present)
+		psc_register_interrupts();
+	if (baboon_present)
+		baboon_register_interrupts();
 	iop_register_interrupts();
-	cpu_request_irq(7, mac_nmi_handler, IRQ_FLG_LOCK, "NMI",
+	request_irq(IRQ_AUTO_7, mac_nmi_handler, 0, "NMI",
 			mac_nmi_handler);
 #ifdef DEBUG_MACINTS
 	printk("mac_init_IRQ(): Done!\n");
@@ -269,104 +265,6 @@ void mac_init_IRQ(void)
 }
 
 /*
- * Routines to work with irq_node_t's on linked lists lifted from
- * the Amiga code written by Roman Zippel.
- */
-
-static inline void mac_insert_irq(irq_node_t **list, irq_node_t *node)
-{
-	unsigned long flags;
-	irq_node_t *cur;
-
-	if (!node->dev_id)
-		printk("%s: Warning: dev_id of %s is zero\n",
-		       __FUNCTION__, node->devname);
-
-	local_irq_save(flags);
-
-	cur = *list;
-
-	if (node->flags & IRQ_FLG_FAST) {
-		node->flags &= ~IRQ_FLG_SLOW;
-		while (cur && cur->flags & IRQ_FLG_FAST) {
-			list = &cur->next;
-			cur = cur->next;
-		}
-	} else if (node->flags & IRQ_FLG_SLOW) {
-		while (cur) {
-			list = &cur->next;
-			cur = cur->next;
-		}
-	} else {
-		while (cur && !(cur->flags & IRQ_FLG_SLOW)) {
-			list = &cur->next;
-			cur = cur->next;
-		}
-	}
-
-	node->next = cur;
-	*list = node;
-
-	local_irq_restore(flags);
-}
-
-static inline void mac_delete_irq(irq_node_t **list, void *dev_id)
-{
-	unsigned long flags;
-	irq_node_t *node;
-
-	local_irq_save(flags);
-
-	for (node = *list; node; list = &node->next, node = *list) {
-		if (node->dev_id == dev_id) {
-			*list = node->next;
-			/* Mark it as free. */
-			node->handler = NULL;
-			local_irq_restore(flags);
-			return;
-		}
-	}
-	local_irq_restore(flags);
-	printk ("%s: tried to remove invalid irq\n", __FUNCTION__);
-}
-
-/*
- * Call all the handlers for a given interrupt. Fast handlers are called
- * first followed by slow handlers.
- *
- * This code taken from the original Amiga code written by Roman Zippel.
- */
-
-void mac_do_irq_list(int irq, struct pt_regs *fp)
-{
-	irq_node_t *node, *slow_nodes;
-	unsigned long flags;
-
-	kstat_cpu(0).irqs[irq]++;
-
-#ifdef DEBUG_SPURIOUS
-	if (!mac_irq_list[irq] && (console_loglevel > 7)) {
-		printk("mac_do_irq_list: spurious interrupt %d!\n", irq);
-		return;
-	}
-#endif
-
-	/* serve first fast and normal handlers */
-	for (node = mac_irq_list[irq];
-	     node && (!(node->flags & IRQ_FLG_SLOW));
-	     node = node->next)
-		node->handler(irq, node->dev_id, fp);
-	if (!node) return;
-	local_save_flags(flags);
-	local_irq_restore((flags & ~0x0700) | (fp->sr & 0x0700));
-	/* if slow handlers exists, serve them now */
-	slow_nodes = node;
-	for (; node; node = node->next) {
-		node->handler(irq, node->dev_id, fp);
-	}
-}
-
-/*
  *  mac_enable_irq - enable an interrupt source
  * mac_disable_irq - disable an interrupt source
  *   mac_clear_irq - clears a pending interrupt
@@ -375,276 +273,124 @@ void mac_do_irq_list(int irq, struct pt_regs *fp)
  * These routines are just dispatchers to the VIA/OSS/PSC routines.
  */
 
-void mac_enable_irq (unsigned int irq)
+static void mac_enable_irq(unsigned int irq)
 {
-	int irq_src	= IRQ_SRC(irq);
+	int irq_src = IRQ_SRC(irq);
 
 	switch(irq_src) {
-		case 1: via_irq_enable(irq);
-			break;
-		case 2:
-		case 7: if (oss_present) {
-				oss_irq_enable(irq);
-			} else {
-				via_irq_enable(irq);
-			}
-			break;
-		case 3:
-		case 4:
-		case 5:
-		case 6: if (psc_present) {
-				psc_irq_enable(irq);
-			} else if (oss_present) {
-				oss_irq_enable(irq);
-			} else if (irq_src == 4) {
-				scc_irq_enable(irq);
-			}
-			break;
-		case 8: if (baboon_present) {
-				baboon_irq_enable(irq);
-			}
-			break;
+	case 1:
+		via_irq_enable(irq);
+		break;
+	case 2:
+	case 7:
+		if (oss_present)
+			oss_irq_enable(irq);
+		else
+			via_irq_enable(irq);
+		break;
+	case 3:
+	case 4:
+	case 5:
+	case 6:
+		if (psc_present)
+			psc_irq_enable(irq);
+		else if (oss_present)
+			oss_irq_enable(irq);
+		else if (irq_src == 4)
+			scc_irq_enable(irq);
+		break;
+	case 8:
+		if (baboon_present)
+			baboon_irq_enable(irq);
+		break;
 	}
 }
 
-void mac_disable_irq (unsigned int irq)
+static void mac_disable_irq(unsigned int irq)
 {
-	int irq_src	= IRQ_SRC(irq);
+	int irq_src = IRQ_SRC(irq);
 
 	switch(irq_src) {
-		case 1: via_irq_disable(irq);
-			break;
-		case 2:
-		case 7: if (oss_present) {
-				oss_irq_disable(irq);
-			} else {
-				via_irq_disable(irq);
-			}
-			break;
-		case 3:
-		case 4:
-		case 5:
-		case 6: if (psc_present) {
-				psc_irq_disable(irq);
-			} else if (oss_present) {
-				oss_irq_disable(irq);
-			} else if (irq_src == 4) {
-				scc_irq_disable(irq);
-			}
-			break;
-		case 8: if (baboon_present) {
-				baboon_irq_disable(irq);
-			}
-			break;
+	case 1:
+		via_irq_disable(irq);
+		break;
+	case 2:
+	case 7:
+		if (oss_present)
+			oss_irq_disable(irq);
+		else
+			via_irq_disable(irq);
+		break;
+	case 3:
+	case 4:
+	case 5:
+	case 6:
+		if (psc_present)
+			psc_irq_disable(irq);
+		else if (oss_present)
+			oss_irq_disable(irq);
+		else if (irq_src == 4)
+			scc_irq_disable(irq);
+		break;
+	case 8:
+		if (baboon_present)
+			baboon_irq_disable(irq);
+		break;
 	}
 }
 
-void mac_clear_irq( unsigned int irq )
+void mac_clear_irq(unsigned int irq)
 {
 	switch(IRQ_SRC(irq)) {
-		case 1: via_irq_clear(irq);
-			break;
-		case 2:
-		case 7: if (oss_present) {
-				oss_irq_clear(irq);
-			} else {
-				via_irq_clear(irq);
-			}
-			break;
-		case 3:
-		case 4:
-		case 5:
-		case 6: if (psc_present) {
-				psc_irq_clear(irq);
-			} else if (oss_present) {
-				oss_irq_clear(irq);
-			}
-			break;
-		case 8: if (baboon_present) {
-				baboon_irq_clear(irq);
-			}
-			break;
+	case 1:
+		via_irq_clear(irq);
+		break;
+	case 2:
+	case 7:
+		if (oss_present)
+			oss_irq_clear(irq);
+		else
+			via_irq_clear(irq);
+		break;
+	case 3:
+	case 4:
+	case 5:
+	case 6:
+		if (psc_present)
+			psc_irq_clear(irq);
+		else if (oss_present)
+			oss_irq_clear(irq);
+		break;
+	case 8:
+		if (baboon_present)
+			baboon_irq_clear(irq);
+		break;
 	}
 }
 
-int mac_irq_pending( unsigned int irq )
+int mac_irq_pending(unsigned int irq)
 {
 	switch(IRQ_SRC(irq)) {
-		case 1: return via_irq_pending(irq);
-		case 2:
-		case 7: if (oss_present) {
-				return oss_irq_pending(irq);
-			} else {
-				return via_irq_pending(irq);
-			}
-		case 3:
-		case 4:
-		case 5:
-		case 6: if (psc_present) {
-				return psc_irq_pending(irq);
-			} else if (oss_present) {
-				return oss_irq_pending(irq);
-			}
-	}
-	return 0;
-}
-
-/*
- * Add an interrupt service routine to an interrupt source.
- * Returns 0 on success.
- *
- * FIXME: You can register interrupts on nonexistent source (ie PSC4 on a
- *        non-PSC machine). We should return -EINVAL in those cases.
- */
-
-int mac_request_irq(unsigned int irq,
-		    irqreturn_t (*handler)(int, void *, struct pt_regs *),
-		    unsigned long flags, const char *devname, void *dev_id)
-{
-	irq_node_t *node;
-
-#ifdef DEBUG_MACINTS
-	printk ("%s: irq %d requested for %s\n", __FUNCTION__, irq, devname);
-#endif
-
-	if (irq < VIA1_SOURCE_BASE) {
-		return cpu_request_irq(irq, handler, flags, devname, dev_id);
+	case 1:
+		return via_irq_pending(irq);
+	case 2:
+	case 7:
+		if (oss_present)
+			return oss_irq_pending(irq);
+		else
+			return via_irq_pending(irq);
+	case 3:
+	case 4:
+	case 5:
+	case 6:
+		if (psc_present)
+			return psc_irq_pending(irq);
+		else if (oss_present)
+			return oss_irq_pending(irq);
 	}
-
-	if (irq >= NUM_MAC_SOURCES) {
-		printk ("%s: unknown irq %d requested by %s\n",
-		        __FUNCTION__, irq, devname);
-	}
-
-	/* Get a node and stick it onto the right list */
-
-	if (!(node = new_irq_node())) return -ENOMEM;
-
-	node->handler	= handler;
-	node->flags	= flags;
-	node->dev_id	= dev_id;
-	node->devname	= devname;
-	node->next	= NULL;
-	mac_insert_irq(&mac_irq_list[irq], node);
-
-	/* Now enable the IRQ source */
-
-	mac_enable_irq(irq);
-
 	return 0;
 }
 
-/*
- * Removes an interrupt service routine from an interrupt source.
- */
-
-void mac_free_irq(unsigned int irq, void *dev_id)
-{
-#ifdef DEBUG_MACINTS
-	printk ("%s: irq %d freed by %p\n", __FUNCTION__, irq, dev_id);
-#endif
-
-	if (irq < VIA1_SOURCE_BASE) {
-		cpu_free_irq(irq, dev_id);
-		return;
-	}
-
-	if (irq >= NUM_MAC_SOURCES) {
-		printk ("%s: unknown irq %d freed\n",
-		        __FUNCTION__, irq);
-		return;
-	}
-
-	mac_delete_irq(&mac_irq_list[irq], dev_id);
-
-	/* If the list for this interrupt is */
-	/* empty then disable the source.    */
-
-	if (!mac_irq_list[irq]) {
-		mac_disable_irq(irq);
-	}
-}
-
-/*
- * Generate a pretty listing for /proc/interrupts
- *
- * By the time we're called the autovector interrupt list has already been
- * generated, so we just need to do the machspec interrupts.
- *
- * 990506 (jmt) - rewritten to handle chained machspec interrupt handlers.
- *                Also removed display of num_spurious it is already
- *		  displayed for us as autovector irq 0.
- */
-
-int show_mac_interrupts(struct seq_file *p, void *v)
-{
-	int i;
-	irq_node_t *node;
-	char *base;
-
-	/* Don't do Nubus interrupts in this loop; we do them separately  */
-	/* below so that we can print slot numbers instead of IRQ numbers */
-
-	for (i = VIA1_SOURCE_BASE ; i < NUM_MAC_SOURCES ; ++i) {
-
-		/* Nonexistant interrupt or nothing registered; skip it. */
-
-		if ((node = mac_irq_list[i]) == NULL) continue;
-		if (node->flags & IRQ_FLG_STD) continue;
-
-		base = "";
-		switch(IRQ_SRC(i)) {
-			case 1: base = "via1";
-				break;
-			case 2: if (oss_present) {
-					base = "oss";
-				} else {
-					base = "via2";
-				}
-				break;
-			case 3:
-			case 4:
-			case 5:
-			case 6: if (psc_present) {
-					base = "psc";
-				} else if (oss_present) {
-					base = "oss";
-				} else {
-					if (IRQ_SRC(i) == 4) base = "scc";
-				}
-				break;
-			case 7: base = "nbus";
-				break;
-			case 8: base = "bbn";
-				break;
-		}
-		seq_printf(p, "%4s %2d: %10u ", base, i, kstat_cpu(0).irqs[i]);
-
-		do {
-			if (node->flags & IRQ_FLG_FAST) {
-				seq_puts(p, "F ");
-			} else if (node->flags & IRQ_FLG_SLOW) {
-				seq_puts(p, "S ");
-			} else {
-				seq_puts(p, "  ");
-			}
-			seq_printf(p, "%s\n", node->devname);
-			if ((node = node->next)) {
-				seq_puts(p, "                    ");
-			}
-		} while(node);
-
-	}
-	return 0;
-}
-
-void mac_default_handler(int irq, void *dev_id, struct pt_regs *regs)
-{
-#ifdef DEBUG_SPURIOUS
-	printk("Unexpected IRQ %d on device %p\n", irq, dev_id);
-#endif
-}
-
 static int num_debug[8];
 
 irqreturn_t mac_debug_handler(int irq, void *dev_id, struct pt_regs *regs)
@@ -684,7 +430,7 @@ irqreturn_t mac_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
 	while (nmi_hold == 1)
 		udelay(1000);
 
-	if ( console_loglevel >= 8 ) {
+	if (console_loglevel >= 8) {
 #if 0
 		show_state();
 		printk("PC: %08lx\nSR: %04x  SP: %p\n", fp->pc, fp->sr, fp);
@@ -713,14 +459,16 @@ irqreturn_t mac_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
  * done in hardware (only the PSC can do that.)
  */
 
-static void scc_irq_enable(int irq) {
-	int irq_idx     = IRQ_IDX(irq);
+static void scc_irq_enable(unsigned int irq)
+{
+	int irq_idx = IRQ_IDX(irq);
 
 	scc_mask |= (1 << irq_idx);
 }
 
-static void scc_irq_disable(int irq) {
-	int irq_idx     = IRQ_IDX(irq);
+static void scc_irq_disable(unsigned int irq)
+{
+	int irq_idx = IRQ_IDX(irq);
 
 	scc_mask &= ~(1 << irq_idx);
 }
@@ -755,6 +503,8 @@ void mac_scc_dispatch(int irq, void *dev_id, struct pt_regs *regs)
 	/* and since they're autovector interrupts they */
 	/* pretty much kill the system.                 */
 
-	if (reg & 0x38) mac_do_irq_list(IRQ_SCCA, regs);
-	if (reg & 0x07) mac_do_irq_list(IRQ_SCCB, regs);
+	if (reg & 0x38)
+		m68k_handle_int(IRQ_SCCA, regs);
+	if (reg & 0x07)
+		m68k_handle_int(IRQ_SCCB, regs);
 }
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index bbb0c3b95e9..56d1f5676ad 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -2,7 +2,6 @@
  * Miscellaneous Mac68K-specific stuff
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 33354769272..63e04365191 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -67,15 +67,15 @@ void __init oss_init(void)
 
 void __init oss_register_interrupts(void)
 {
-	cpu_request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
+	request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
 			"scsi", (void *) oss);
-	cpu_request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
+	request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
 			"scc", mac_scc_dispatch);
-	cpu_request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
+	request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
 			"nubus", (void *) oss);
-	cpu_request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
+	request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
 			"sound", (void *) oss);
-	cpu_request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
+	request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
 			"via1", (void *) via1);
 }
 
@@ -113,7 +113,7 @@ irqreturn_t oss_irq(int irq, void *dev_id, struct pt_regs *regs)
 		oss->irq_pending &= ~OSS_IP_SOUND;
 	} else if (events & OSS_IP_SCSI) {
 		oss->irq_level[OSS_SCSI] = OSS_IRQLEV_DISABLED;
-		mac_do_irq_list(IRQ_MAC_SCSI, regs);
+		m68k_handle_int(IRQ_MAC_SCSI, regs);
 		oss->irq_pending &= ~OSS_IP_SCSI;
 		oss->irq_level[OSS_SCSI] = OSS_IRQLEV_SCSI;
 	} else {
@@ -146,7 +146,7 @@ irqreturn_t oss_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
 	for (i = 0, irq_bit = 1 ; i < 6 ; i++, irq_bit <<= 1) {
 		if (events & irq_bit) {
 			oss->irq_level[i] = OSS_IRQLEV_DISABLED;
-			mac_do_irq_list(NUBUS_SOURCE_BASE + i, regs);
+			m68k_handle_int(NUBUS_SOURCE_BASE + i, regs);
 			oss->irq_pending &= ~irq_bit;
 			oss->irq_level[i] = OSS_IRQLEV_NUBUS;
 		}
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index e72384e43a1..e2621809175 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -117,10 +117,10 @@ void __init psc_init(void)
 
 void __init psc_register_interrupts(void)
 {
-	cpu_request_irq(3, psc_irq, IRQ_FLG_LOCK, "psc3", (void *) 0x30);
-	cpu_request_irq(4, psc_irq, IRQ_FLG_LOCK, "psc4", (void *) 0x40);
-	cpu_request_irq(5, psc_irq, IRQ_FLG_LOCK, "psc5", (void *) 0x50);
-	cpu_request_irq(6, psc_irq, IRQ_FLG_LOCK, "psc6", (void *) 0x60);
+	request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30);
+	request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40);
+	request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50);
+	request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60);
 }
 
 /*
@@ -149,7 +149,7 @@ irqreturn_t psc_irq(int irq, void *dev_id, struct pt_regs *regs)
 	for (i = 0, irq_bit = 1 ; i < 4 ; i++, irq_bit <<= 1) {
 	        if (events & irq_bit) {
 			psc_write_byte(pIER, irq_bit);
-			mac_do_irq_list(base_irq + i, regs);
+			m68k_handle_int(base_irq + i, regs);
 			psc_write_byte(pIFR, irq_bit);
 			psc_write_byte(pIER, irq_bit | 0x80);
 		}
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index cd528bf7b43..c4aa345d544 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -25,7 +25,6 @@
 #include <linux/init.h>
 #include <linux/ide.h>
 
-#include <asm/traps.h>
 #include <asm/bootinfo.h>
 #include <asm/macintosh.h>
 #include <asm/macints.h>
@@ -71,7 +70,6 @@ void via_irq_enable(int irq);
 void via_irq_disable(int irq);
 void via_irq_clear(int irq);
 
-extern irqreturn_t mac_bang(int, void *, struct pt_regs *);
 extern irqreturn_t mac_scc_dispatch(int, void *, struct pt_regs *);
 extern int oss_present;
 
@@ -212,11 +210,6 @@ void __init via_init(void)
 			break;
 	}
 #else
-	/* The alernate IRQ mapping seems to just not work. Anyone with a   */
-	/* supported machine is welcome to take a stab at fixing it. It     */
-	/* _should_ work on the following Quadras: 610,650,700,800,900,950  */
-	/*                                               - 1999-06-12 (jmt) */
-
 	via_alt_mapping = 0;
 #endif
 
@@ -260,27 +253,21 @@ void __init via_init_clock(irqreturn_t (*func)(int, void *, struct pt_regs *))
 void __init via_register_interrupts(void)
 {
 	if (via_alt_mapping) {
-		cpu_request_irq(IRQ_AUTO_1, via1_irq,
+		request_irq(IRQ_AUTO_1, via1_irq,
 				IRQ_FLG_LOCK|IRQ_FLG_FAST, "software",
 				(void *) via1);
-		cpu_request_irq(IRQ_AUTO_6, via1_irq,
+		request_irq(IRQ_AUTO_6, via1_irq,
 				IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
 				(void *) via1);
 	} else {
-		cpu_request_irq(IRQ_AUTO_1, via1_irq,
+		request_irq(IRQ_AUTO_1, via1_irq,
 				IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
 				(void *) via1);
-#if 0 /* interferes with serial on some machines */
-		if (!psc_present) {
-			cpu_request_irq(IRQ_AUTO_6, mac_bang, IRQ_FLG_LOCK,
-					"Off Switch", mac_bang);
-		}
-#endif
 	}
-	cpu_request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
+	request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
 			"via2", (void *) via2);
 	if (!psc_present) {
-		cpu_request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
+		request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
 				"scc", mac_scc_dispatch);
 	}
 	request_irq(IRQ_MAC_NUBUS, via_nubus_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
@@ -437,7 +424,7 @@ irqreturn_t via1_irq(int irq, void *dev_id, struct pt_regs *regs)
 	for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1)
 		if (events & irq_bit) {
 			via1[vIER] = irq_bit;
-			mac_do_irq_list(VIA1_SOURCE_BASE + i, regs);
+			m68k_handle_int(VIA1_SOURCE_BASE + i, regs);
 			via1[vIFR] = irq_bit;
 			via1[vIER] = irq_bit | 0x80;
 		}
@@ -452,7 +439,7 @@ irqreturn_t via1_irq(int irq, void *dev_id, struct pt_regs *regs)
 		/* No, it won't be set. that's why we're doing this. */
 		via_irq_disable(IRQ_MAC_NUBUS);
 		via_irq_clear(IRQ_MAC_NUBUS);
-		mac_do_irq_list(IRQ_MAC_NUBUS, regs);
+		m68k_handle_int(IRQ_MAC_NUBUS, regs);
 		via_irq_enable(IRQ_MAC_NUBUS);
 	}
 #endif
@@ -471,8 +458,8 @@ irqreturn_t via2_irq(int irq, void *dev_id, struct pt_regs *regs)
 	for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1)
 		if (events & irq_bit) {
 			via2[gIER] = irq_bit;
-			mac_do_irq_list(VIA2_SOURCE_BASE + i, regs);
 			via2[gIFR] = irq_bit | rbv_clear;
+			m68k_handle_int(VIA2_SOURCE_BASE + i, regs);
 			via2[gIER] = irq_bit | 0x80;
 		}
 	return IRQ_HANDLED;
@@ -494,7 +481,7 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
 	for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1) {
 		if (events & irq_bit) {
 			via_irq_disable(NUBUS_SOURCE_BASE + i);
-			mac_do_irq_list(NUBUS_SOURCE_BASE + i, regs);
+			m68k_handle_int(NUBUS_SOURCE_BASE + i, regs);
 			via_irq_enable(NUBUS_SOURCE_BASE + i);
 		}
 	}
@@ -529,6 +516,7 @@ void via_irq_enable(int irq) {
 		}
 		via2[gIER] = irq_bit | 0x80;
 	} else if (irq_src == 7) {
+		nubus_active |= irq_bit;
 		if (rbv_present) {
 			/* enable the slot interrupt. SIER works like IER. */
 			via2[rSIER] = IER_SET_BIT(irq_idx);
@@ -550,7 +538,6 @@ void via_irq_enable(int irq) {
 				}
 			}
 		}
-		nubus_active |= irq_bit;
 	}
 }