#include <asm/mipsregs.h>
#include <asm/system.h>
-#include <asm/ptrace.h>
#include <asm/processor.h>
#include <asm/pci/bridge.h>
#include <asm/sn/addrs.h>
* Kanoj 05.13.00
*/
-static void ip27_do_irq_mask0(struct pt_regs *regs)
+static void ip27_do_irq_mask0(void)
{
int irq, swlevel;
hubreg_t pend0, mask0;
struct slice_data *si = cpu_data[cpu].data;
irq = si->level_to_irq[swlevel];
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
LOCAL_HUB_L(PI_INT_PEND0);
}
-static void ip27_do_irq_mask1(struct pt_regs *regs)
+static void ip27_do_irq_mask1(void)
{
int irq, swlevel;
hubreg_t pend1, mask1;
/* "map" swlevel to irq */
irq = si->level_to_irq[swlevel];
LOCAL_HUB_CLR_INTR(swlevel);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
LOCAL_HUB_L(PI_INT_PEND1);
}
-static void ip27_prof_timer(struct pt_regs *regs)
+static void ip27_prof_timer(void)
{
panic("CPU %d got a profiling interrupt", smp_processor_id());
}
-static void ip27_hub_error(struct pt_regs *regs)
+static void ip27_hub_error(void)
{
panic("CPU %d got a hub error interrupt", smp_processor_id());
}
intr_disconnect_level(cpu, swlevel);
}
-static void mask_and_ack_bridge_irq(unsigned int irq)
-{
- disable_bridge_irq(irq);
-}
-
-static void end_bridge_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) &&
- irq_desc[irq].action)
- enable_bridge_irq(irq);
-}
-
static struct irq_chip bridge_irq_type = {
- .typename = "bridge",
+ .name = "bridge",
.startup = startup_bridge_irq,
.shutdown = shutdown_bridge_irq,
- .enable = enable_bridge_irq,
- .disable = disable_bridge_irq,
- .ack = mask_and_ack_bridge_irq,
- .end = end_bridge_irq,
+ .ack = disable_bridge_irq,
+ .mask = disable_bridge_irq,
+ .mask_ack = disable_bridge_irq,
+ .unmask = enable_bridge_irq,
};
-static unsigned long irq_map[NR_IRQS / BITS_PER_LONG];
-
-int allocate_irqno(void)
-{
- int irq;
-
-again:
- irq = find_first_zero_bit(irq_map, NR_IRQS);
-
- if (irq >= NR_IRQS)
- return -ENOSPC;
-
- if (test_and_set_bit(irq, irq_map))
- goto again;
-
- return irq;
-}
-
-void free_irqno(unsigned int irq)
-{
- clear_bit(irq, irq_map);
-}
-
void __devinit register_bridge_irq(unsigned int irq)
{
- irq_desc[irq].status = IRQ_DISABLED;
- irq_desc[irq].action = 0;
- irq_desc[irq].depth = 1;
- irq_desc[irq].chip = &bridge_irq_type;
+ set_irq_chip_and_handler(irq, &bridge_irq_type, handle_level_irq);
}
int __devinit request_bridge_irq(struct bridge_controller *bc)
return irq;
}
-extern void ip27_rt_timer_interrupt(struct pt_regs *regs);
+extern void ip27_rt_timer_interrupt(void);
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned long pending = read_c0_cause() & read_c0_status();
if (pending & CAUSEF_IP4)
- ip27_rt_timer_interrupt(regs);
+ ip27_rt_timer_interrupt();
else if (pending & CAUSEF_IP2) /* PI_INT_PEND_0 or CC_PEND_{A|B} */
- ip27_do_irq_mask0(regs);
+ ip27_do_irq_mask0();
else if (pending & CAUSEF_IP3) /* PI_INT_PEND_1 */
- ip27_do_irq_mask1(regs);
+ ip27_do_irq_mask1();
else if (pending & CAUSEF_IP5)
- ip27_prof_timer(regs);
+ ip27_prof_timer();
else if (pending & CAUSEF_IP6)
- ip27_hub_error(regs);
+ ip27_hub_error();
}
void __init arch_init_irq(void)