m68knommu: generic irq handling

Change the m68knommu irq handling to use the generic irq framework.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 17 insertions, 106 deletions

diff --git a/include/asm-m68knommu/irq.h b/include/asm-m68knommu/irq.h
index 7b8f874f8429..9373c31ac87d 100644
--- a/include/asm-m68knommu/irq.h
+++ b/include/asm-m68knommu/irq.h
@@ -1,7 +1,5 @@
-#ifndef _M68K_IRQ_H_
-#define _M68K_IRQ_H_
-
-#include <asm/ptrace.h>
+#ifndef _M68KNOMMU_IRQ_H_
+#define _M68KNOMMU_IRQ_H_
 
 #ifdef CONFIG_COLDFIRE
 /*
@@ -17,75 +15,12 @@
 /*
  * # of m68k interrupts
  */
-#define SYS_IRQS 8
-#define NR_IRQS (24+SYS_IRQS)
+#define SYS_IRQS        8
+#define NR_IRQS         (24 + SYS_IRQS)
 
 #endif /* CONFIG_COLDFIRE */
 
-/*
- * Interrupt source definitions
- * General interrupt sources are the level 1-7.
- * Adding an interrupt service routine for one of these sources
- * results in the addition of that routine to a chain of routines.
- * Each one is called in succession.  Each individual interrupt
- * service routine should determine if the device associated with
- * that routine requires service.
- */
 
-#define IRQ1            (1)     /* level 1 interrupt */
-#define IRQ2            (2)     /* level 2 interrupt */
-#define IRQ3            (3)     /* level 3 interrupt */
-#define IRQ4            (4)     /* level 4 interrupt */
-#define IRQ5            (5)     /* level 5 interrupt */
-#define IRQ6            (6)     /* level 6 interrupt */
-#define IRQ7            (7)     /* level 7 interrupt (non-maskable) */
-
-/*
- * Machine specific interrupt sources.
- *
- * Adding an interrupt service routine for a source with this bit
- * set indicates a special machine specific interrupt source.
- * The machine specific files define these sources.
- *
- * The IRQ_MACHSPEC bit is now gone - the only thing it did was to
- * introduce unnecessary overhead.
- *
- * All interrupt handling is actually machine specific so it is better
- * to use function pointers, as used by the Sparc port, and select the
- * interrupt handling functions when initializing the kernel. This way
- * we save some unnecessary overhead at run-time. 
- *                                                      01/11/97 - Jes
- */
-
-extern void (*mach_enable_irq)(unsigned int);
-extern void (*mach_disable_irq)(unsigned int);
-
-/*
- * various flags for request_irq() - the Amiga now uses the standard
- * mechanism like all other architectures - IRQF_DISABLED and
- * IRQF_SHARED are your friends.
- */
-#define IRQ_FLG_LOCK    (0x0001)        /* handler is not replaceable   */
-#define IRQ_FLG_REPLACE (0x0002)        /* replace existing handler     */
-#define IRQ_FLG_FAST    (0x0004)
-#define IRQ_FLG_SLOW    (0x0008)
-#define IRQ_FLG_STD     (0x8000)        /* internally used              */
-
-#ifdef CONFIG_M68360
-
-#define CPM_INTERRUPT    IRQ4
-
-/* see MC68360 User's Manual, p. 7-377  */
-#define CPM_VECTOR_BASE  0x04           /* 3 MSbits of CPM vector */
-
-#endif /* CONFIG_M68360 */
-
-/*
- * Some drivers want these entry points
- */
-#define enable_irq(x)   do { } while (0)
-#define disable_irq(x)  do { } while (0)
-#define disable_irq_nosync(x)   disable_irq(x)
 #define irq_canonicalize(irq)   (irq)
 
-#endif /* _M68K_IRQ_H_ */
+#endif /* _M68KNOMMU_IRQ_H_ */
diff --git a/include/asm-m68knommu/irqnode.h b/include/asm-m68knommu/irqnode.h
deleted file mode 100644
index 6132a9858b52..000000000000
--- a/include/asm-m68knommu/irqnode.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef _M68K_IRQNODE_H_
-#define _M68K_IRQNODE_H_
-
-#include <linux/interrupt.h>
-
-/*
- * This structure is used to chain together the ISRs for a particular
- * interrupt source (if it supports chaining).
- */
-typedef struct irq_node {
-        irq_handler_t   handler;
-        unsigned long   flags;
-        void            *dev_id;
-        const char      *devname;
-        struct irq_node *next;
-} irq_node_t;
-
-/*
- * This structure has only 4 elements for speed reasons
- */
-struct irq_entry {
-        irq_handler_t   handler;
-        unsigned long   flags;
-        void            *dev_id;
-        const char      *devname;
-};
-
-/* count of spurious interrupts */
-extern volatile unsigned int num_spurious;
-
-/*
- * This function returns a new irq_node_t
- */
-extern irq_node_t *new_irq_node(void);
-
-#endif /* _M68K_IRQNODE_H_ */
diff --git a/include/asm-m68knommu/m68360.h b/include/asm-m68knommu/m68360.h
index dd11b070884b..eb7d39ef2855 100644
--- a/include/asm-m68knommu/m68360.h
+++ b/include/asm-m68knommu/m68360.h
@@ -3,3 +3,11 @@
 #include "m68360_quicc.h"
 #include "m68360_enet.h"
 
+#ifdef CONFIG_M68360
+
+#define CPM_INTERRUPT    4
+
+/* see MC68360 User's Manual, p. 7-377  */
+#define CPM_VECTOR_BASE  0x04           /* 3 MSbits of CPM vector */
+
+#endif /* CONFIG_M68360 */
diff --git a/include/asm-m68knommu/traps.h b/include/asm-m68knommu/traps.h
index f2a81317cc10..d0671e5f8e29 100644
--- a/include/asm-m68knommu/traps.h
+++ b/include/asm-m68knommu/traps.h
@@ -16,6 +16,10 @@
 typedef void (*e_vector)(void);
 
 extern e_vector vectors[];
+extern void init_vectors(void);
+extern void enable_vector(unsigned int irq);
+extern void disable_vector(unsigned int irq);
+extern void ack_vector(unsigned int irq);
 
 #endif