[PATCH] m68k: convert VME irq code

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 11 insertions, 164 deletions

diff --git a/arch/m68k/mvme16x/16xints.c b/arch/m68k/mvme16x/16xints.c
deleted file mode 100644
index 81afada..0000000
--- a/arch/m68k/mvme16x/16xints.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * arch/m68k/mvme16x/16xints.c
- *
- * Copyright (C) 1995 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/system.h>
-#include <asm/ptrace.h>
-#include <asm/irq.h>
-
-static irqreturn_t mvme16x_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[192];
-
-/*
- * void mvme16x_init_IRQ (void)
- *
- * Parameters:	None
- *
- * Returns:	Nothing
- *
- * This function is called during kernel startup to initialize
- * the mvme16x IRQ handling routines.  Should probably ensure
- * that the base vectors for the VMEChip2 and PCCChip2 are valid.
- */
-
-void mvme16x_init_IRQ (void)
-{
-	int i;
-
-	for (i = 0; i < 192; i++) {
-		irq_tab[i].handler = mvme16x_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 mvme16x_request_irq(unsigned int irq,
-		irqreturn_t (*handler)(int, void *, struct pt_regs *),
-                unsigned long flags, const char *devname, void *dev_id)
-{
-	if (irq < 64 || irq > 255) {
-		printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
-		return -ENXIO;
-	}
-
-	if (!(irq_tab[irq-64].flags & IRQ_FLG_STD)) {
-		if (irq_tab[irq-64].flags & IRQ_FLG_LOCK) {
-			printk("%s: IRQ %d from %s is not replaceable\n",
-			       __FUNCTION__, irq, irq_tab[irq-64].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-64].devname);
-			return -EBUSY;
-		}
-	}
-	irq_tab[irq-64].handler = handler;
-	irq_tab[irq-64].flags   = flags;
-	irq_tab[irq-64].dev_id  = dev_id;
-	irq_tab[irq-64].devname = devname;
-	return 0;
-}
-
-void mvme16x_free_irq(unsigned int irq, void *dev_id)
-{
-	if (irq < 64 || irq > 255) {
-		printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
-		return;
-	}
-
-	if (irq_tab[irq-64].dev_id != dev_id)
-		printk("%s: Removing probably wrong IRQ %d from %s\n",
-		       __FUNCTION__, irq, irq_tab[irq-64].devname);
-
-	irq_tab[irq-64].handler = mvme16x_defhand;
-	irq_tab[irq-64].flags   = IRQ_FLG_STD;
-	irq_tab[irq-64].dev_id  = NULL;
-	irq_tab[irq-64].devname = NULL;
-}
-
-irqreturn_t mvme16x_process_int (unsigned long vec, struct pt_regs *fp)
-{
-	if (vec < 64 || vec > 255) {
-		printk ("mvme16x_process_int: Illegal vector %ld", vec);
-		return IRQ_NONE;
-	} else {
-		irq_tab[vec-64].count++;
-		irq_tab[vec-64].handler(vec, irq_tab[vec-64].dev_id, fp);
-		return IRQ_HANDLED;
-	}
-}
-
-int show_mvme16x_interrupts (struct seq_file *p, void *v)
-{
-	int i;
-
-	for (i = 0; i < 192; i++) {
-		if (irq_tab[i].count)
-			seq_printf(p, "Vec 0x%02x: %8d  %s\n",
-			    i+64, irq_tab[i].count,
-			    irq_tab[i].devname ? irq_tab[i].devname : "free");
-	}
-	return 0;
-}
-
-
-static irqreturn_t mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp)
-{
-	printk ("Unknown interrupt 0x%02x\n", irq);
-	return IRQ_NONE;
-}
-
-
-void mvme16x_enable_irq (unsigned int irq)
-{
-}
-
-
-void mvme16x_disable_irq (unsigned int irq)
-{
-}
-
-
diff --git a/arch/m68k/mvme16x/Makefile b/arch/m68k/mvme16x/Makefile
index 5129f56..950e82f 100644
--- a/arch/m68k/mvme16x/Makefile
+++ b/arch/m68k/mvme16x/Makefile
@@ -2,4 +2,4 @@
 # Makefile for Linux arch/m68k/mvme16x source directory
 #
 
-obj-y		:= config.o 16xints.o rtc.o mvme16x_ksyms.o
+obj-y		:= config.o rtc.o mvme16x_ksyms.o
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 26ce81c..ce2727e 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -40,15 +40,8 @@ extern t_bdid mvme_bdid;
 
 static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE;
 
-extern irqreturn_t mvme16x_process_int (int level, struct pt_regs *regs);
-extern void mvme16x_init_IRQ (void);
-extern void mvme16x_free_irq (unsigned int, void *);
-extern int show_mvme16x_interrupts (struct seq_file *, void *);
-extern void mvme16x_enable_irq (unsigned int);
-extern void mvme16x_disable_irq (unsigned int);
 static void mvme16x_get_model(char *model);
 static int  mvme16x_get_hardware_list(char *buffer);
-extern int  mvme16x_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
 extern void mvme16x_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
 extern unsigned long mvme16x_gettimeoffset (void);
 extern int mvme16x_hwclk (int, struct rtc_time *);
@@ -120,6 +113,16 @@ static int mvme16x_get_hardware_list(char *buffer)
     return (len);
 }
 
+/*
+ * This function is called during kernel startup to initialize
+ * the mvme16x IRQ handling routines.  Should probably ensure
+ * that the base vectors for the VMEChip2 and PCCChip2 are valid.
+ */
+
+static void mvme16x_init_IRQ (void)
+{
+	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
+}
 
 #define pcc2chip	((volatile u_char *)0xfff42000)
 #define PccSCCMICR	0x1d
@@ -138,12 +141,6 @@ void __init config_mvme16x(void)
     mach_hwclk           = mvme16x_hwclk;
     mach_set_clock_mmss	 = mvme16x_set_clock_mmss;
     mach_reset		 = mvme16x_reset;
-    mach_free_irq	 = mvme16x_free_irq;
-    mach_process_int	 = mvme16x_process_int;
-    mach_get_irq_list	 = show_mvme16x_interrupts;
-    mach_request_irq	 = mvme16x_request_irq;
-    enable_irq           = mvme16x_enable_irq;
-    disable_irq          = mvme16x_disable_irq;
     mach_get_model       = mvme16x_get_model;
     mach_get_hardware_list = mvme16x_get_hardware_list;