virtio: remove overzealous BUG_ON.

[linux-2.6-omap-h63xx.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 44657197fcb03de46c060e7634c73f3e126038d7..176e5e790a442c4ea964ccedf415dd8831ab2c1c 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -25,7 +25,7 @@
 #include <asm/irq_regs.h>
 
 struct irq_desc;
-typedef        void fastcall (*irq_flow_handler_t)(unsigned int irq,
+typedef        void (*irq_flow_handler_t)(unsigned int irq,
                                            struct irq_desc *desc);
 
 
@@ -140,6 +140,7 @@ struct irq_chip {
  * @wake_depth:                enable depth, for multiple set_irq_wake() callers
  * @irq_count:         stats field to detect stalled irqs
  * @irqs_unhandled:    stats field for spurious unhandled interrupts
+ * @last_unhandled:    aging timer for unhandled count
  * @lock:              locking for SMP
  * @affinity:          IRQ affinity on SMP
  * @cpu:               cpu index useful for balancing
@@ -275,19 +276,18 @@ extern int handle_IRQ_event(unsigned int irq, struct irqaction *action);
  * Built-in IRQ handlers for various IRQ types,
  * callable via desc->chip->handle_irq()
  */
-extern void fastcall handle_level_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_edge_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_simple_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_bad_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
 
 /*
  * Monolithic do_IRQ implementation.
- * (is an explicit fastcall, because i386 4KSTACKS calls it from assembly)
  */
 #ifndef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
-extern fastcall unsigned int __do_IRQ(unsigned int irq);
+extern unsigned int __do_IRQ(unsigned int irq);
 #endif
 
 /*
@@ -338,6 +338,13 @@ extern void
 __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
                  const char *name);
 
+/* caller has locked the irq_desc and both params are valid */
+static inline void __set_irq_handler_unlocked(int irq,
+                                             irq_flow_handler_t handler)
+{
+       irq_desc[irq].handle_irq = handler;
+}
+
 /*
  * Set a highlevel flow handler for a given IRQ:
  */
@@ -359,6 +366,9 @@ set_irq_chained_handler(unsigned int irq,
        __set_irq_handler(irq, handle, 1, NULL);
 }
 
+extern void set_irq_noprobe(unsigned int irq);
+extern void set_irq_probe(unsigned int irq);
+
 /* Handle dynamic irq creation and destruction */
 extern int create_irq(void);
 extern void destroy_irq(unsigned int irq);