diff options
Diffstat (limited to 'arch/ia64/kernel/iosapic.c')
| -rw-r--r-- | arch/ia64/kernel/iosapic.c | 39 |
1 files changed, 15 insertions, 24 deletions
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 29fea0a8c2c..4c531953e2e 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -533,12 +533,13 @@ static int iosapic_find_sharable_vector (unsigned long trigger, static void __init iosapic_reassign_vector (int vector) { - int new_vector; + int irq, new_vector; if (!list_empty(&iosapic_intr_info[vector].rtes)) { - new_vector = assign_irq_vector(AUTO_ASSIGN); - if (new_vector < 0) + irq = create_irq(); + if (irq < 0) panic("%s: out of interrupt vectors!\n", __FUNCTION__); + new_vector = irq_to_vector(irq); printk(KERN_INFO "Reassigning vector %d to %d\n", vector, new_vector); memcpy(&iosapic_intr_info[new_vector], &iosapic_intr_info[vector], @@ -753,7 +754,7 @@ int iosapic_register_intr (unsigned int gsi, unsigned long polarity, unsigned long trigger) { - int vector, mask = 1, err; + int irq, vector, mask = 1, err; unsigned int dest; unsigned long flags; struct iosapic_rte_info *rte; @@ -773,12 +774,13 @@ iosapic_register_intr (unsigned int gsi, } /* If vector is running out, we try to find a sharable vector */ - vector = assign_irq_vector(AUTO_ASSIGN); - if (vector < 0) { + irq = create_irq(); + if (irq < 0) { vector = iosapic_find_sharable_vector(trigger, polarity); if (vector < 0) goto unlock_iosapic_lock; - } + } else + vector = irq_to_vector(irq); spin_lock(&irq_desc[vector].lock); dest = get_target_cpu(gsi, vector); @@ -873,30 +875,18 @@ iosapic_unregister_intr (unsigned int gsi) if (list_empty(&iosapic_intr_info[vector].rtes)) { /* Sanity check */ BUG_ON(iosapic_intr_info[vector].count); - - /* Clear the interrupt controller descriptor */ - idesc->chip = &no_irq_type; - #ifdef CONFIG_SMP /* Clear affinity */ cpus_setall(idesc->affinity); #endif - /* Clear the interrupt information */ memset(&iosapic_intr_info[vector], 0, sizeof(struct iosapic_intr_info)); iosapic_intr_info[vector].low32 |= IOSAPIC_MASK; INIT_LIST_HEAD(&iosapic_intr_info[vector].rtes); - if (idesc->action) { - printk(KERN_ERR - "interrupt handlers still exist on IRQ %u\n", - irq); - WARN_ON(1); - } - - /* Free the interrupt vector */ - free_irq_vector(vector); + /* Destroy IRQ */ + destroy_irq(irq); } out: spin_unlock_irqrestore(&iosapic_lock, flags); @@ -912,7 +902,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, { static const char * const name[] = {"unknown", "PMI", "INIT", "CPEI"}; unsigned char delivery; - int vector, mask = 0; + int irq, vector, mask = 0; unsigned int dest = ((id << 8) | eid) & 0xffff; switch (int_type) { @@ -926,9 +916,10 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, delivery = IOSAPIC_PMI; break; case ACPI_INTERRUPT_INIT: - vector = assign_irq_vector(AUTO_ASSIGN); - if (vector < 0) + irq = create_irq(); + if (irq < 0) panic("%s: out of interrupt vectors!\n", __FUNCTION__); + vector = irq_to_vector(irq); delivery = IOSAPIC_INIT; break; case ACPI_INTERRUPT_CPEI: |