Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Update defconfig.
  [SPARC64]: Don't double-export synchronize_irq.
  [SPARC64]: Move over to GENERIC_HARDIRQS.
  [SPARC64]: Virtualize IRQ numbers.
  [SPARC64]: Kill ino_bucket->pil
  [SPARC]: Kill __irq_itoa().
  [SPARC64]: bp->pil can never be zero
  [SPARC64]: Send all device interrupts via one PIL.
  [SPARC]: Fix iommu_flush_iotlb end address
  [SPARC]: Mark smp init functions as cpuinit
  [SPARC]: Add missing rw can_lock macros
  [SPARC]: Setup cpu_possible_map
  [SPARC]: Add topology_init()

1 files changed, 12 insertions, 84 deletions

diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h
index fa164d37ee3f..905e59b4a737 100644
--- a/include/asm-sparc64/irq.h
+++ b/include/asm-sparc64/irq.h
@@ -15,58 +15,6 @@
 #include <asm/pil.h>
 #include <asm/ptrace.h>
 
-struct ino_bucket;
-
-#define MAX_IRQ_DESC_ACTION     4
-
-struct irq_desc {
-        void                    (*pre_handler)(struct ino_bucket *, void *, void *);
-        void                    *pre_handler_arg1;
-        void                    *pre_handler_arg2;
-        u32                     action_active_mask;
-        struct irqaction        action[MAX_IRQ_DESC_ACTION];
-};
-
-/* You should not mess with this directly. That's the job of irq.c.
- *
- * If you make changes here, please update hand coded assembler of
- * the vectored interrupt trap handler in entry.S -DaveM
- *
- * This is currently one DCACHE line, two buckets per L2 cache
- * line.  Keep this in mind please.
- */
-struct ino_bucket {
-        /* Next handler in per-CPU PIL worklist.  We know that
-         * bucket pointers have the high 32-bits clear, so to
-         * save space we only store the bits we need.
-         */
-/*0x00*/unsigned int irq_chain;
-
-        /* PIL to schedule this IVEC at. */
-/*0x04*/unsigned char pil;
-
-        /* If an IVEC arrives while irq_info is NULL, we
-         * set this to notify request_irq() about the event.
-         */
-/*0x05*/unsigned char pending;
-
-        /* Miscellaneous flags. */
-/*0x06*/unsigned char flags;
-
-        /* Currently unused.  */
-/*0x07*/unsigned char __pad;
-
-        /* Reference to IRQ descriptor for this bucket. */
-/*0x08*/struct irq_desc *irq_info;
-
-        /* Sun5 Interrupt Clear Register. */
-/*0x10*/unsigned long iclr;
-
-        /* Sun5 Interrupt Mapping Register. */
-/*0x18*/unsigned long imap;
-
-};
-
 /* IMAP/ICLR register defines */
 #define IMAP_VALID              0x80000000      /* IRQ Enabled          */
 #define IMAP_TID_UPA            0x7c000000      /* UPA TargetID         */
@@ -84,36 +32,20 @@ struct ino_bucket {
 #define ICLR_TRANSMIT           0x00000001      /* Transmit state       */
 #define ICLR_PENDING            0x00000003      /* Pending state        */
 
-/* Only 8-bits are available, be careful.  -DaveM */
-#define IBF_PCI         0x02    /* PSYCHO/SABRE/SCHIZO PCI interrupt.    */
-#define IBF_ACTIVE      0x04    /* Interrupt is active and has a handler.*/
-#define IBF_INPROGRESS  0x10    /* IRQ is being serviced.                */
-
-#define NUM_IVECS       (IMAP_INR + 1)
-extern struct ino_bucket ivector_table[NUM_IVECS];
-
-#define __irq_ino(irq) \
-        (((struct ino_bucket *)(unsigned long)(irq)) - &ivector_table[0])
-#define __irq_pil(irq) ((struct ino_bucket *)(unsigned long)(irq))->pil
-#define __bucket(irq) ((struct ino_bucket *)(unsigned long)(irq))
-#define __irq(bucket) ((unsigned int)(unsigned long)(bucket))
-
-static __inline__ char *__irq_itoa(unsigned int irq)
-{
-        static char buff[16];
-
-        sprintf(buff, "%d,%x", __irq_pil(irq), (unsigned int)__irq_ino(irq));
-        return buff;
-}
-
-#define NR_IRQS    16
+/* The largest number of unique interrupt sources we support.
+ * If this needs to ever be larger than 255, you need to change
+ * the type of ino_bucket->virt_irq as appropriate.
+ *
+ * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq().
+ */
+#define NR_IRQS    255
 
+extern void irq_install_pre_handler(int virt_irq,
+                                    void (*func)(unsigned int, void *, void *),
+                                    void *arg1, void *arg2);
 #define irq_canonicalize(irq)   (irq)
-extern void disable_irq(unsigned int);
-#define disable_irq_nosync disable_irq
-extern void enable_irq(unsigned int);
-extern unsigned int build_irq(int pil, int inofixup, unsigned long iclr, unsigned long imap);
-extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino, int pil, unsigned char flags);
+extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap);
+extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
 extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
 
 static __inline__ void set_softint(unsigned long bits)
@@ -139,8 +71,4 @@ static __inline__ unsigned long get_softint(void)
         return retval;
 }
 
-struct irqaction;
-struct pt_regs;
-int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
-
 #endif