diff options
Diffstat (limited to 'arch/mips/sibyte/sb1250/irq.c')
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index 53780a1..eac9065 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -236,41 +236,6 @@ void __init init_sb1250_irqs(void) } -static irqreturn_t sb1250_dummy_handler(int irq, void *dev_id) -{ - return IRQ_NONE; -} - -static struct irqaction sb1250_dummy_action = { - .handler = sb1250_dummy_handler, - .flags = 0, - .mask = CPU_MASK_NONE, - .name = "sb1250-private", - .next = NULL, - .dev_id = 0 -}; - -int sb1250_steal_irq(int irq) -{ - struct irq_desc *desc = irq_desc + irq; - unsigned long flags; - int retval = 0; - - if (irq >= SB1250_NR_IRQS) - return -EINVAL; - - spin_lock_irqsave(&desc->lock, flags); - /* Don't allow sharing at all for these */ - if (desc->action != NULL) - retval = -EBUSY; - else { - desc->action = &sb1250_dummy_action; - desc->depth = 0; - } - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -} - /* * arch_init_irq is called early in the boot sequence from init/main.c via * init_IRQ. It is responsible for setting up the interrupt mapper and @@ -342,8 +307,6 @@ void __init arch_init_irq(void) __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MASK))); __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MASK))); - sb1250_steal_irq(K_INT_MBOX_0); - /* * Note that the timer interrupts are also mapped, but this is * done in sb1250_time_init(). Also, the profiling driver @@ -367,7 +330,6 @@ void __init arch_init_irq(void) __raw_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port))); - sb1250_steal_irq(kgdb_irq); __raw_writeq(IMR_IP6_VAL, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + |