ia64: Use accessor functions all over the place

Use the proper accessor functions instead of open coded irq_desc access.

---
 arch/ia64/kernel/irq.c      |    2 +-
 arch/ia64/kernel/irq_ia64.c |    6 ++----
 arch/ia64/kernel/mca.c      |    4 +---
 arch/ia64/sn/kernel/irq.c   |    6 ++----
 4 files changed, 6 insertions(+), 12 deletions(-)

Index: linux-2.6-tip/arch/ia64/kernel/irq.c =================================--- linux-2.6-tip.orig/arch/ia64/kernel/irq.c +++ linux-2.6-tip/arch/ia64/kernel/irq.c
@@ -103,7 +103,7 @@ static char irq_redir [NR_IRQS]; // = {
void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
{
if (irq < NR_IRQS) {
- cpumask_copy(irq_desc[irq].affinity,
+ cpumask_copy(irq_get_irq_data(irq)->affinity,
cpumask_of(cpu_logical_id(hwid)));
irq_redir[irq] = (char) (redir & 0xff);
}
Index: linux-2.6-tip/arch/ia64/kernel/irq_ia64.c =================================--- linux-2.6-tip.orig/arch/ia64/kernel/irq_ia64.c +++ linux-2.6-tip/arch/ia64/kernel/irq_ia64.c
@@ -343,7 +343,7 @@ static irqreturn_t smp_irq_move_cleanup_
if (irq < 0)
continue;

- desc = irq_desc + irq;
+ desc = irq_to_desc(irq);
cfg = irq_cfg + irq;
raw_spin_lock(&desc->lock);
if (!cfg->move_cleanup_count)
@@ -626,13 +626,11 @@ static struct irqaction tlb_irqaction =
void
ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action) {
- struct irq_desc *desc;
unsigned int irq;

irq = vec;
BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));
- desc = irq_desc + irq;
- desc->status |= IRQ_PER_CPU;
+ irq_set_status_flags(irq, IRQ_PER_CPU);
set_irq_chip(irq, &irq_type_ia64_lsapic);
if (action)
setup_irq(irq, action);
Index: linux-2.6-tip/arch/ia64/kernel/mca.c =================================--- linux-2.6-tip.orig/arch/ia64/kernel/mca.c +++ linux-2.6-tip/arch/ia64/kernel/mca.c
@@ -2125,7 +2125,6 @@ ia64_mca_late_init(void)
cpe_poll_timer.function = ia64_mca_cpe_poll;

{
- struct irq_desc *desc;
unsigned int irq;

if (cpe_vector >= 0) {
@@ -2133,8 +2132,7 @@ ia64_mca_late_init(void)
irq = local_vector_to_irq(cpe_vector);
if (irq > 0) {
cpe_poll_enabled = 0;
- desc = irq_desc + irq;
- desc->status |= IRQ_PER_CPU;
+ irq_set_status_flags(irq, IRQ_PER_CPU);
setup_irq(irq, &mca_cpe_irqaction); ia64_cpe_irq = irq; ia64_mca_register_cpev(cpe_vector);
Index: linux-2.6-tip/arch/ia64/sn/kernel/irq.c =================================--- linux-2.6-tip.orig/arch/ia64/sn/kernel/irq.c +++ linux-2.6-tip/arch/ia64/sn/kernel/irq.c
@@ -274,15 +274,13 @@ unsigned int sn_local_vector_to_irq(u8 v
void sn_irq_init(void)
{
int i;
- struct irq_desc *base_desc = irq_desc;

ia64_first_device_vector = IA64_SN2_FIRST_DEVICE_VECTOR; ia64_last_device_vector = IA64_SN2_LAST_DEVICE_VECTOR;

for (i = 0; i < NR_IRQS; i++) {
- if (base_desc[i].chip = &no_irq_chip) {
- base_desc[i].chip = &irq_type_sn;
- }
+ if (irq_get_chip(i) = &no_irq_chip)
+ irq_set_chip(i, &irq_type_sn);
}
}