diff options
Diffstat (limited to 'arch/alpha/kernel/irq_i8259.c')
-rw-r--r-- | arch/alpha/kernel/irq_i8259.c | 38 |
1 files changed, 11 insertions, 27 deletions
diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c index 83a9ac28089..c7cc9813e45 100644 --- a/arch/alpha/kernel/irq_i8259.c +++ b/arch/alpha/kernel/irq_i8259.c @@ -33,10 +33,10 @@ i8259_update_irq_hw(unsigned int irq, unsigned long mask) } inline void -i8259a_enable_irq(unsigned int irq) +i8259a_enable_irq(struct irq_data *d) { spin_lock(&i8259_irq_lock); - i8259_update_irq_hw(irq, cached_irq_mask &= ~(1 << irq)); + i8259_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << d->irq)); spin_unlock(&i8259_irq_lock); } @@ -47,16 +47,18 @@ __i8259a_disable_irq(unsigned int irq) } void -i8259a_disable_irq(unsigned int irq) +i8259a_disable_irq(struct irq_data *d) { spin_lock(&i8259_irq_lock); - __i8259a_disable_irq(irq); + __i8259a_disable_irq(d->irq); spin_unlock(&i8259_irq_lock); } void -i8259a_mask_and_ack_irq(unsigned int irq) +i8259a_mask_and_ack_irq(struct irq_data *d) { + unsigned int irq = d->irq; + spin_lock(&i8259_irq_lock); __i8259a_disable_irq(irq); @@ -69,28 +71,11 @@ i8259a_mask_and_ack_irq(unsigned int irq) spin_unlock(&i8259_irq_lock); } -unsigned int -i8259a_startup_irq(unsigned int irq) -{ - i8259a_enable_irq(irq); - return 0; /* never anything pending */ -} - -void -i8259a_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - i8259a_enable_irq(irq); -} - struct irq_chip i8259a_irq_type = { .name = "XT-PIC", - .startup = i8259a_startup_irq, - .shutdown = i8259a_disable_irq, - .enable = i8259a_enable_irq, - .disable = i8259a_disable_irq, - .ack = i8259a_mask_and_ack_irq, - .end = i8259a_end_irq, + .irq_unmask = i8259a_enable_irq, + .irq_mask = i8259a_disable_irq, + .irq_mask_ack = i8259a_mask_and_ack_irq, }; void __init @@ -107,8 +92,7 @@ init_i8259a_irqs(void) outb(0xff, 0xA1); /* mask all of 8259A-2 */ for (i = 0; i < 16; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].chip = &i8259a_irq_type; + set_irq_chip_and_handler(i, &i8259a_irq_type, handle_level_irq); } setup_irq(2, &cascade); |