Merge git://git.infradead.org/~dhowells/irq-2.6

* git://git.infradead.org/~dhowells/irq-2.6:
  IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
  IRQ: Typedef the IRQ handler function type
  IRQ: Typedef the IRQ flow handler function type

1 files changed, 18 insertions, 30 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4cf65f5c6a7..11c99697acf 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -249,7 +249,6 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq)
  *	handle_simple_irq - Simple and software-decoded IRQs.
  *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
- *	@regs:	pointer to a register structure
  *
  *	Simple interrupts are either sent from a demultiplexing interrupt
  *	handler or come from hardware, where no interrupt hardware control
@@ -259,7 +258,7 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq)
  *	unmask issues if necessary.
  */
 void fastcall
-handle_simple_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_simple_irq(unsigned int irq, struct irq_desc *desc)
 {
 	struct irqaction *action;
 	irqreturn_t action_ret;
@@ -279,9 +278,9 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
 	desc->status |= IRQ_INPROGRESS;
 	spin_unlock(&desc->lock);
 
-	action_ret = handle_IRQ_event(irq, regs, action);
+	action_ret = handle_IRQ_event(irq, action);
 	if (!noirqdebug)
-		note_interrupt(irq, desc, action_ret, regs);
+		note_interrupt(irq, desc, action_ret);
 
 	spin_lock(&desc->lock);
 	desc->status &= ~IRQ_INPROGRESS;
@@ -293,7 +292,6 @@ out_unlock:
  *	handle_level_irq - Level type irq handler
  *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
- *	@regs:	pointer to a register structure
  *
  *	Level type interrupts are active as long as the hardware line has
  *	the active level. This may require to mask the interrupt and unmask
@@ -301,7 +299,7 @@ out_unlock:
  *	interrupt line is back to inactive.
  */
 void fastcall
-handle_level_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_level_irq(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int cpu = smp_processor_id();
 	struct irqaction *action;
@@ -329,9 +327,9 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
 	desc->status &= ~IRQ_PENDING;
 	spin_unlock(&desc->lock);
 
-	action_ret = handle_IRQ_event(irq, regs, action);
+	action_ret = handle_IRQ_event(irq, action);
 	if (!noirqdebug)
-		note_interrupt(irq, desc, action_ret, regs);
+		note_interrupt(irq, desc, action_ret);
 
 	spin_lock(&desc->lock);
 	desc->status &= ~IRQ_INPROGRESS;
@@ -345,7 +343,6 @@ out_unlock:
  *	handle_fasteoi_irq - irq handler for transparent controllers
  *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
- *	@regs:	pointer to a register structure
  *
  *	Only a single callback will be issued to the chip: an ->eoi()
  *	call when the interrupt has been serviced. This enables support
@@ -353,8 +350,7 @@ out_unlock:
  *	details in hardware, transparently.
  */
 void fastcall
-handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc,
-		   struct pt_regs *regs)
+handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int cpu = smp_processor_id();
 	struct irqaction *action;
@@ -382,9 +378,9 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc,
 	desc->status &= ~IRQ_PENDING;
 	spin_unlock(&desc->lock);
 
-	action_ret = handle_IRQ_event(irq, regs, action);
+	action_ret = handle_IRQ_event(irq, action);
 	if (!noirqdebug)
-		note_interrupt(irq, desc, action_ret, regs);
+		note_interrupt(irq, desc, action_ret);
 
 	spin_lock(&desc->lock);
 	desc->status &= ~IRQ_INPROGRESS;
@@ -398,7 +394,6 @@ out:
  *	handle_edge_irq - edge type IRQ handler
  *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
- *	@regs:	pointer to a register structure
  *
  *	Interrupt occures on the falling and/or rising edge of a hardware
  *	signal. The occurence is latched into the irq controller hardware
@@ -412,7 +407,7 @@ out:
  *	loop is left.
  */
 void fastcall
-handle_edge_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 {
 	const unsigned int cpu = smp_processor_id();
 
@@ -463,9 +458,9 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
 
 		desc->status &= ~IRQ_PENDING;
 		spin_unlock(&desc->lock);
-		action_ret = handle_IRQ_event(irq, regs, action);
+		action_ret = handle_IRQ_event(irq, action);
 		if (!noirqdebug)
-			note_interrupt(irq, desc, action_ret, regs);
+			note_interrupt(irq, desc, action_ret);
 		spin_lock(&desc->lock);
 
 	} while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
@@ -480,12 +475,11 @@ out_unlock:
  *	handle_percpu_IRQ - Per CPU local irq handler
  *	@irq:	the interrupt number
  *	@desc:	the interrupt description structure for this irq
- *	@regs:	pointer to a register structure
  *
  *	Per CPU interrupts on SMP machines without locking requirements
  */
 void fastcall
-handle_percpu_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
 {
 	irqreturn_t action_ret;
 
@@ -494,9 +488,9 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
 	if (desc->chip->ack)
 		desc->chip->ack(irq);
 
-	action_ret = handle_IRQ_event(irq, regs, desc->action);
+	action_ret = handle_IRQ_event(irq, desc->action);
 	if (!noirqdebug)
-		note_interrupt(irq, desc, action_ret, regs);
+		note_interrupt(irq, desc, action_ret);
 
 	if (desc->chip->eoi)
 		desc->chip->eoi(irq);
@@ -505,10 +499,7 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
 #endif /* CONFIG_SMP */
 
 void
-__set_irq_handler(unsigned int irq,
-		  void fastcall (*handle)(unsigned int, irq_desc_t *,
-					  struct pt_regs *),
-		  int is_chained)
+__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained)
 {
 	struct irq_desc *desc;
 	unsigned long flags;
@@ -561,9 +552,7 @@ __set_irq_handler(unsigned int irq,
 
 void
 set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
-			 void fastcall (*handle)(unsigned int,
-						 struct irq_desc *,
-						 struct pt_regs *))
+			 irq_flow_handler_t handle)
 {
 	set_irq_chip(irq, chip);
 	__set_irq_handler(irq, handle, 0);
@@ -574,8 +563,7 @@ set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
  * /proc/interrupts output:
  */
 const char *
-handle_irq_name(void fastcall (*handle)(unsigned int, struct irq_desc *,
-					struct pt_regs *))
+handle_irq_name(irq_flow_handler_t handle)
 {
 	if (handle == handle_level_irq)
 		return "level  ";