diff options
| -rw-r--r-- | arch/ia64/kernel/iosapic.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index e3954556eedb..858a995f3d3b 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -566,8 +566,7 @@ static int register_intr (unsigned int gsi, int irq, unsigned char delivery, unsigned long polarity, unsigned long trigger) { - struct irq_desc *idesc; - struct irq_chip *irq_type; + struct irq_chip *chip, *irq_type; int index; struct iosapic_rte_info *rte; @@ -614,19 +613,18 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery, irq_type = iosapic_get_irq_chip(trigger); - idesc = irq_desc + irq; - if (irq_type != NULL && idesc->chip != irq_type) { - if (idesc->chip != &no_irq_chip) + chip = irq_get_chip(irq); + if (irq_type != NULL && chip != irq_type) { + if (chip != &no_irq_chip) printk(KERN_WARNING "%s: changing vector %d from %s to %s\n", __func__, irq_to_vector(irq), - idesc->chip->name, irq_type->name); - idesc->chip = irq_type; + chip->name, irq_type->name); + chip = irq_type; } - if (trigger == IOSAPIC_EDGE) - __set_irq_handler_unlocked(irq, handle_edge_irq); - else - __set_irq_handler_unlocked(irq, handle_level_irq); + __irq_set_chip_handler_name_locked(irq, chip, trigger == IOSAPIC_EDGE ? + handle_edge_irq : handle_level_irq, + NULL); return 0; } @@ -736,6 +734,7 @@ iosapic_register_intr (unsigned int gsi, struct iosapic_rte_info *rte; u32 low32; unsigned char dmode; + struct irq_desc *desc; /* * If this GSI has already been registered (i.e., it's a @@ -763,12 +762,13 @@ iosapic_register_intr (unsigned int gsi, goto unlock_iosapic_lock; } - raw_spin_lock(&irq_desc[irq].lock); + desc = irq_to_desc(irq); + raw_spin_lock(&desc->lock); dest = get_target_cpu(gsi, irq); dmode = choose_dmode(); err = register_intr(gsi, irq, dmode, polarity, trigger); if (err < 0) { - raw_spin_unlock(&irq_desc[irq].lock); + raw_spin_unlock(&desc->lock); irq = err; goto unlock_iosapic_lock; } @@ -787,7 +787,7 @@ iosapic_register_intr (unsigned int gsi, (polarity == IOSAPIC_POL_HIGH ? "high" : "low"), cpu_logical_id(dest), dest, irq_to_vector(irq)); - raw_spin_unlock(&irq_desc[irq].lock); + raw_spin_unlock(&desc->lock); unlock_iosapic_lock: spin_unlock_irqrestore(&iosapic_lock, flags); return irq; @@ -798,7 +798,6 @@ iosapic_unregister_intr (unsigned int gsi) { unsigned long flags; int irq, index; - struct irq_desc *idesc; u32 low32; unsigned long trigger, polarity; unsigned int dest; @@ -828,7 +827,6 @@ iosapic_unregister_intr (unsigned int gsi) if (--rte->refcnt > 0) goto out; - idesc = irq_desc + irq; rte->refcnt = NO_REF_RTE; /* Mask the interrupt */ @@ -852,7 +850,7 @@ iosapic_unregister_intr (unsigned int gsi) if (iosapic_intr_info[irq].count == 0) { #ifdef CONFIG_SMP /* Clear affinity */ - cpumask_setall(idesc->affinity); + cpumask_setall(irq_get_irq_data(irq)->affinity); #endif /* Clear the interrupt information */ iosapic_intr_info[irq].dest = 0; |