Merge branch 'linus' into cpus4096

[linux-2.6] / arch / cris / kernel / irq.c

diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index 903ea62c6e21b6ac5fa6ed899cba5c5c261b6015..2dfac8c79090a248291375e8ed3f392878530ca8 100644 (file)
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -2,12 +2,12 @@
  *
  *     linux/arch/cris/kernel/irq.c
  *
- *      Copyright (c) 2000,2001 Axis Communications AB
+ *      Copyright (c) 2000,2007 Axis Communications AB
  *
  *      Authors: Bjorn Wesen (bjornw@axis.com)
  *
  * This file contains the code used by various IRQ handling routines:
- * asking for different IRQ's should be done through these routines
+ * asking for different IRQs should be done through these routines
  * instead of just grabbing them. Thus setups with different IRQ numbers
  * shouldn't result in any weird surprises, and installing new handlers
  * should be easier.
@@ -15,7 +15,7 @@
  */
 
 /*
- * IRQ's are in fact implemented a bit like signal handlers for the kernel.
+ * IRQs are in fact implemented a bit like signal handlers for the kernel.
  * Naturally it's not a 1:1 relation, but there are similarities.
  */
 
@@ -83,23 +83,25 @@ skip:
 
 
 /* called by the assembler IRQ entry functions defined in irq.h
- * to dispatch the interrupts to registred handlers
+ * to dispatch the interrupts to registered handlers
  * interrupts are disabled upon entry - depending on if the
- * interrupt was registred with IRQF_DISABLED or not, interrupts
+ * interrupt was registered with IRQF_DISABLED or not, interrupts
  * are re-enabled or not.
  */
 
 asmlinkage void do_IRQ(int irq, struct pt_regs * regs)
 {
        unsigned long sp;
+       struct pt_regs *old_regs = set_irq_regs(regs);
        irq_enter();
        sp = rdsp();
        if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
                printk("do_IRQ: stack overflow: %lX\n", sp);
                show_stack(NULL, (unsigned long *)sp);
        }
-       __do_IRQ(irq, regs);
+       __do_IRQ(irq);
         irq_exit();
+       set_irq_regs(old_regs);
 }
 
 void weird_irq(void)