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Diffstat (limited to 'arch/parisc/kernel/irq.c')
-rw-r--r--arch/parisc/kernel/irq.c82
1 files changed, 44 insertions, 38 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index d7d94b845dc2..c0b1affc06a8 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -52,9 +52,9 @@ static volatile unsigned long cpu_eiem = 0;
*/
static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL;
-static void cpu_mask_irq(unsigned int irq)
+static void cpu_mask_irq(struct irq_data *d)
{
- unsigned long eirr_bit = EIEM_MASK(irq);
+ unsigned long eirr_bit = EIEM_MASK(d->irq);
cpu_eiem &= ~eirr_bit;
/* Do nothing on the other CPUs. If they get this interrupt,
@@ -63,7 +63,7 @@ static void cpu_mask_irq(unsigned int irq)
* then gets disabled */
}
-static void cpu_unmask_irq(unsigned int irq)
+static void __cpu_unmask_irq(unsigned int irq)
{
unsigned long eirr_bit = EIEM_MASK(irq);
@@ -75,9 +75,14 @@ static void cpu_unmask_irq(unsigned int irq)
smp_send_all_nop();
}
-void cpu_ack_irq(unsigned int irq)
+static void cpu_unmask_irq(struct irq_data *d)
{
- unsigned long mask = EIEM_MASK(irq);
+ __cpu_unmask_irq(d->irq);
+}
+
+void cpu_ack_irq(struct irq_data *d)
+{
+ unsigned long mask = EIEM_MASK(d->irq);
int cpu = smp_processor_id();
/* Clear in EIEM so we can no longer process */
@@ -90,9 +95,9 @@ void cpu_ack_irq(unsigned int irq)
mtctl(mask, 23);
}
-void cpu_eoi_irq(unsigned int irq)
+void cpu_eoi_irq(struct irq_data *d)
{
- unsigned long mask = EIEM_MASK(irq);
+ unsigned long mask = EIEM_MASK(d->irq);
int cpu = smp_processor_id();
/* set it in the eiems---it's no longer in process */
@@ -103,17 +108,13 @@ void cpu_eoi_irq(unsigned int irq)
}
#ifdef CONFIG_SMP
-int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
+int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest)
{
int cpu_dest;
/* timer and ipi have to always be received on all CPUs */
- if (CHECK_IRQ_PER_CPU(irq)) {
- /* Bad linux design decision. The mask has already
- * been set; we must reset it */
- cpumask_setall(irq_desc[irq].affinity);
+ if (irqd_is_per_cpu(d))
return -EINVAL;
- }
/* whatever mask they set, we just allow one CPU */
cpu_dest = first_cpu(*dest);
@@ -121,33 +122,34 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
return cpu_dest;
}
-static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
+static int cpu_set_affinity_irq(struct irq_data *d, const struct cpumask *dest,
+ bool force)
{
int cpu_dest;
- cpu_dest = cpu_check_affinity(irq, dest);
+ cpu_dest = cpu_check_affinity(d, dest);
if (cpu_dest < 0)
return -1;
- cpumask_copy(irq_desc[irq].affinity, dest);
+ cpumask_copy(d->affinity, dest);
return 0;
}
#endif
static struct irq_chip cpu_interrupt_type = {
- .name = "CPU",
- .mask = cpu_mask_irq,
- .unmask = cpu_unmask_irq,
- .ack = cpu_ack_irq,
- .eoi = cpu_eoi_irq,
+ .name = "CPU",
+ .irq_mask = cpu_mask_irq,
+ .irq_unmask = cpu_unmask_irq,
+ .irq_ack = cpu_ack_irq,
+ .irq_eoi = cpu_eoi_irq,
#ifdef CONFIG_SMP
- .set_affinity = cpu_set_affinity_irq,
+ .irq_set_affinity = cpu_set_affinity_irq,
#endif
/* XXX: Needs to be written. We managed without it so far, but
* we really ought to write it.
*/
- .retrigger = NULL,
+ .irq_retrigger = NULL,
};
int show_interrupts(struct seq_file *p, void *v)
@@ -167,10 +169,11 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
+ struct irq_desc *desc = irq_to_desc(i);
struct irqaction *action;
- raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
- action = irq_desc[i].action;
+ raw_spin_lock_irqsave(&desc->lock, flags);
+ action = desc->action;
if (!action)
goto skip;
seq_printf(p, "%3d: ", i);
@@ -181,7 +184,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%10u ", kstat_irqs(i));
#endif
- seq_printf(p, " %14s", irq_desc[i].chip->name);
+ seq_printf(p, " %14s", irq_desc_get_chip(desc)->name);
#ifndef PARISC_IRQ_CR16_COUNTS
seq_printf(p, " %s", action->name);
@@ -213,7 +216,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
- raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
return 0;
@@ -231,16 +234,16 @@ int show_interrupts(struct seq_file *p, void *v)
int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data)
{
- if (irq_desc[irq].action)
+ if (irq_has_action(irq))
return -EBUSY;
- if (irq_desc[irq].chip != &cpu_interrupt_type)
+ if (irq_get_chip(irq) != &cpu_interrupt_type)
return -EBUSY;
/* for iosapic interrupts */
if (type) {
- set_irq_chip_and_handler(irq, type, handle_percpu_irq);
- set_irq_chip_data(irq, data);
- cpu_unmask_irq(irq);
+ irq_set_chip_and_handler(irq, type, handle_percpu_irq);
+ irq_set_chip_data(irq, data);
+ __cpu_unmask_irq(irq);
}
return 0;
}
@@ -289,7 +292,8 @@ int txn_alloc_irq(unsigned int bits_wide)
unsigned long txn_affinity_addr(unsigned int irq, int cpu)
{
#ifdef CONFIG_SMP
- cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
+ struct irq_data *d = irq_get_irq_data(irq);
+ cpumask_copy(d->affinity, cpumask_of(cpu));
#endif
return per_cpu(cpu_data, cpu).txn_addr;
@@ -333,6 +337,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
unsigned long eirr_val;
int irq, cpu = smp_processor_id();
#ifdef CONFIG_SMP
+ struct irq_desc *desc;
cpumask_t dest;
#endif
@@ -346,8 +351,9 @@ void do_cpu_irq_mask(struct pt_regs *regs)
irq = eirr_to_irq(eirr_val);
#ifdef CONFIG_SMP
- cpumask_copy(&dest, irq_desc[irq].affinity);
- if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) &&
+ desc = irq_to_desc(irq);
+ cpumask_copy(&dest, desc->irq_data.affinity);
+ if (irqd_is_per_cpu(&desc->irq_data) &&
!cpu_isset(smp_processor_id(), dest)) {
int cpu = first_cpu(dest);
@@ -388,14 +394,14 @@ static void claim_cpu_irqs(void)
{
int i;
for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) {
- set_irq_chip_and_handler(i, &cpu_interrupt_type,
+ irq_set_chip_and_handler(i, &cpu_interrupt_type,
handle_percpu_irq);
}
- set_irq_handler(TIMER_IRQ, handle_percpu_irq);
+ irq_set_handler(TIMER_IRQ, handle_percpu_irq);
setup_irq(TIMER_IRQ, &timer_action);
#ifdef CONFIG_SMP
- set_irq_handler(IPI_IRQ, handle_percpu_irq);
+ irq_set_handler(IPI_IRQ, handle_percpu_irq);
setup_irq(IPI_IRQ, &ipi_action);
#endif
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-20 01:43:42 +0000