*
* 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.
*/
/*
- * 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.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/irq.h>
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
- seq_printf(p, " %14s", irq_desc[i].handler->typename);
+ seq_printf(p, " %14s", irq_desc[i].chip->typename);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
/* 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 SA_INTERRUPT 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)