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Diffstat (limited to 'arch/ia64/kernel/irq_ia64.c')
-rw-r--r--arch/ia64/kernel/irq_ia64.c51
1 files changed, 17 insertions, 34 deletions
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 9a26015c3e5..03ea78ed64a 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -23,7 +23,6 @@
#include <linux/ioport.h>
#include <linux/kernel_stat.h>
#include <linux/ptrace.h>
-#include <linux/random.h> /* for rand_initialize_irq() */
#include <linux/signal.h>
#include <linux/smp.h>
#include <linux/threads.h>
@@ -31,6 +30,7 @@
#include <linux/irq.h>
#include <linux/ratelimit.h>
#include <linux/acpi.h>
+#include <linux/sched.h>
#include <asm/delay.h>
#include <asm/intrinsics.h>
@@ -38,7 +38,6 @@
#include <asm/hw_irq.h>
#include <asm/machvec.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/tlbflush.h>
#ifdef CONFIG_PERFMON
@@ -94,14 +93,6 @@ static int irq_status[NR_IRQS] = {
[0 ... NR_IRQS -1] = IRQ_UNUSED
};
-int check_irq_used(int irq)
-{
- if (irq_status[irq] == IRQ_USED)
- return 1;
-
- return -1;
-}
-
static inline int find_unassigned_irq(void)
{
int irq;
@@ -117,7 +108,7 @@ static inline int find_unassigned_vector(cpumask_t domain)
cpumask_t mask;
int pos, vector;
- cpus_and(mask, domain, cpu_online_map);
+ cpumask_and(&mask, &domain, cpu_online_mask);
if (cpus_empty(mask))
return -EINVAL;
@@ -140,7 +131,7 @@ static int __bind_irq_vector(int irq, int vector, cpumask_t domain)
BUG_ON((unsigned)irq >= NR_IRQS);
BUG_ON((unsigned)vector >= IA64_NUM_VECTORS);
- cpus_and(mask, domain, cpu_online_map);
+ cpumask_and(&mask, &domain, cpu_online_mask);
if (cpus_empty(mask))
return -EINVAL;
if ((cfg->vector == vector) && cpus_equal(cfg->domain, domain))
@@ -178,7 +169,7 @@ static void __clear_irq_vector(int irq)
BUG_ON(cfg->vector == IRQ_VECTOR_UNASSIGNED);
vector = cfg->vector;
domain = cfg->domain;
- cpus_and(mask, cfg->domain, cpu_online_map);
+ cpumask_and(&mask, &cfg->domain, cpu_online_mask);
for_each_cpu_mask(cpu, mask)
per_cpu(vector_irq, cpu)[vector] = -1;
cfg->vector = IRQ_VECTOR_UNASSIGNED;
@@ -321,7 +312,7 @@ void irq_complete_move(unsigned irq)
if (unlikely(cpu_isset(smp_processor_id(), cfg->old_domain)))
return;
- cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+ cpumask_and(&cleanup_mask, &cfg->old_domain, cpu_online_mask);
cfg->move_cleanup_count = cpus_weight(cleanup_mask);
for_each_cpu_mask(i, cleanup_mask)
platform_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
@@ -343,7 +334,7 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
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)
@@ -365,7 +356,6 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
static struct irqaction irq_move_irqaction = {
.handler = smp_irq_move_cleanup_interrupt,
- .flags = IRQF_DISABLED,
.name = "irq_move"
};
@@ -392,8 +382,7 @@ void destroy_and_reserve_irq(unsigned int irq)
{
unsigned long flags;
- dynamic_irq_cleanup(irq);
-
+ irq_init_desc(irq);
spin_lock_irqsave(&vector_lock, flags);
__clear_irq_vector(irq);
irq_status[irq] = IRQ_RSVD;
@@ -426,13 +415,13 @@ int create_irq(void)
out:
spin_unlock_irqrestore(&vector_lock, flags);
if (irq >= 0)
- dynamic_irq_init(irq);
+ irq_init_desc(irq);
return irq;
}
void destroy_irq(unsigned int irq)
{
- dynamic_irq_cleanup(irq);
+ irq_init_desc(irq);
clear_irq_vector(irq);
}
@@ -490,13 +479,13 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
ia64_srlz_d();
while (vector != IA64_SPURIOUS_INT_VECTOR) {
int irq = local_vector_to_irq(vector);
- struct irq_desc *desc = irq_to_desc(irq);
if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
smp_local_flush_tlb();
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irq_this_cpu(irq);
} else if (unlikely(IS_RESCHEDULE(vector))) {
- kstat_incr_irqs_this_cpu(irq, desc);
+ scheduler_ipi();
+ kstat_incr_irq_this_cpu(irq);
} else {
ia64_setreg(_IA64_REG_CR_TPR, vector);
ia64_srlz_d();
@@ -549,13 +538,12 @@ void ia64_process_pending_intr(void)
*/
while (vector != IA64_SPURIOUS_INT_VECTOR) {
int irq = local_vector_to_irq(vector);
- struct irq_desc *desc = irq_to_desc(irq);
if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
smp_local_flush_tlb();
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irq_this_cpu(irq);
} else if (unlikely(IS_RESCHEDULE(vector))) {
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irq_this_cpu(irq);
} else {
struct pt_regs *old_regs = set_irq_regs(NULL);
@@ -602,7 +590,6 @@ static irqreturn_t dummy_handler (int irq, void *dev_id)
static struct irqaction ipi_irqaction = {
.handler = handle_IPI,
- .flags = IRQF_DISABLED,
.name = "IPI"
};
@@ -611,13 +598,11 @@ static struct irqaction ipi_irqaction = {
*/
static struct irqaction resched_irqaction = {
.handler = dummy_handler,
- .flags = IRQF_DISABLED,
.name = "resched"
};
static struct irqaction tlb_irqaction = {
.handler = dummy_handler,
- .flags = IRQF_DISABLED,
.name = "tlb_flush"
};
@@ -626,17 +611,15 @@ 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;
- desc->chip = &irq_type_ia64_lsapic;
+ irq_set_status_flags(irq, IRQ_PER_CPU);
+ irq_set_chip(irq, &irq_type_ia64_lsapic);
if (action)
setup_irq(irq, action);
- set_irq_handler(irq, handle_percpu_irq);
+ irq_set_handler(irq, handle_percpu_irq);
}
void __init
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:36:12 +0000