void disable_lasat_irq(unsigned int irq_nr)
{
- unsigned long flags;
-
- local_irq_save(flags);
*lasat_int_mask &= ~(1 << irq_nr) << lasat_int_mask_shift;
- local_irq_restore(flags);
}
void enable_lasat_irq(unsigned int irq_nr)
{
- unsigned long flags;
-
- local_irq_save(flags);
*lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
- local_irq_restore(flags);
-}
-
-static unsigned int startup_lasat_irq(unsigned int irq)
-{
- enable_lasat_irq(irq);
-
- return 0; /* never anything pending */
}
-#define shutdown_lasat_irq disable_lasat_irq
-
-#define mask_and_ack_lasat_irq disable_lasat_irq
-
-static void end_lasat_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_lasat_irq(irq);
-}
-
-static struct hw_interrupt_type lasat_irq_type = {
+static struct irq_chip lasat_irq_type = {
.typename = "Lasat",
- .startup = startup_lasat_irq,
- .shutdown = shutdown_lasat_irq,
- .enable = enable_lasat_irq,
- .disable = disable_lasat_irq,
- .ack = mask_and_ack_lasat_irq,
- .end = end_lasat_irq,
+ .ack = disable_lasat_irq,
+ .mask = disable_lasat_irq,
+ .mask_ack = disable_lasat_irq,
+ .unmask = enable_lasat_irq,
};
static inline int ls1bit32(unsigned int x)
return int_status;
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned long int_status;
unsigned int cause = read_c0_cause();
int irq;
if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
- ll_timer_interrupt(7, regs);
+ ll_timer_interrupt(7);
return;
}
if (int_status) {
irq = ls1bit32(int_status);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
}
panic("arch_init_irq: mips_machtype incorrect");
}
- for (i = 0; i <= LASATINT_END; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = &lasat_irq_type;
- }
+ for (i = 0; i <= LASATINT_END; i++)
+ set_irq_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
}