diff options
Diffstat (limited to 'arch/mips/kernel/irq.c')
| -rw-r--r-- | arch/mips/kernel/irq.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index 3dd76b3d296..3dce742e716 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -38,6 +38,15 @@ void ack_bad_irq(unsigned int irq) atomic_t irq_err_count; +#ifdef CONFIG_MIPS_MT_SMTC +/* + * SMTC Kernel needs to manipulate low-level CPU interrupt mask + * in do_IRQ. These are passed in setup_irq_smtc() and stored + * in this table. + */ +unsigned long irq_hwmask[NR_IRQS]; +#endif /* CONFIG_MIPS_MT_SMTC */ + #undef do_IRQ /* @@ -49,6 +58,7 @@ asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs) { irq_enter(); + __DO_IRQ_SMTC_HOOK(); __do_IRQ(irq, regs); irq_exit(); @@ -101,6 +111,11 @@ skip: return 0; } +asmlinkage void spurious_interrupt(struct pt_regs *regs) +{ + atomic_inc(&irq_err_count); +} + #ifdef CONFIG_KGDB extern void breakpoint(void); extern void set_debug_traps(void); @@ -124,6 +139,9 @@ void __init init_IRQ(void) irq_desc[i].depth = 1; irq_desc[i].handler = &no_irq_type; spin_lock_init(&irq_desc[i].lock); +#ifdef CONFIG_MIPS_MT_SMTC + irq_hwmask[i] = 0; +#endif /* CONFIG_MIPS_MT_SMTC */ } arch_init_irq(); |