[PATCH] genirq: add chip->eoi(), fastack -> fasteoi

Clean up the fastack concept by turning it into fasteoi and introducing the
->eoi() method for chips.

This also allows the cleanup of an i386 EOI quirk - now the quirk is
cleanly separated from the pure ACK implementation.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 0d8eaf3e4036..0832149cdb18 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -74,7 +74,8 @@ struct proc_dir_entry;
  * @mask:               mask an interrupt source
  * @mask_ack:           ack and mask an interrupt source
  * @unmask:             unmask an interrupt source
- * @end:                end of interrupt
+ * @eoi:                end of interrupt - chip level
+ * @end:                end of interrupt - flow level
  * @set_affinity:       set the CPU affinity on SMP machines
  * @retrigger:          resend an IRQ to the CPU
  * @set_type:           set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
@@ -94,6 +95,7 @@ struct irq_chip {
         void            (*mask)(unsigned int irq);
         void            (*mask_ack)(unsigned int irq);
         void            (*unmask)(unsigned int irq);
+        void            (*eoi)(unsigned int irq);
 
         void            (*end)(unsigned int irq);
         void            (*set_affinity)(unsigned int irq, cpumask_t dest);
@@ -287,7 +289,7 @@ extern int handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
 extern void fastcall
 handle_level_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs);
 extern void fastcall
-handle_fastack_irq(unsigned int irq, struct irq_desc *desc,
+handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc,
                          struct pt_regs *regs);
 extern void fastcall
 handle_edge_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs);