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Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r--kernel/irq/chip.c43
1 files changed, 30 insertions, 13 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 27f4332..6e40a95 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -63,7 +63,7 @@ int irq_set_irq_type(unsigned int irq, unsigned int type)
return -EINVAL;
type &= IRQ_TYPE_SENSE_MASK;
- ret = __irq_set_trigger(desc, irq, type);
+ ret = __irq_set_trigger(desc, type);
irq_put_desc_busunlock(desc, flags);
return ret;
}
@@ -187,7 +187,7 @@ int irq_startup(struct irq_desc *desc, bool resend)
irq_enable(desc);
}
if (resend)
- check_irq_resend(desc, desc->irq_data.irq);
+ check_irq_resend(desc);
return ret;
}
@@ -315,7 +315,7 @@ void handle_nested_irq(unsigned int irq)
raw_spin_lock_irq(&desc->lock);
desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
action = desc->action;
if (unlikely(!action || irqd_irq_disabled(&desc->irq_data))) {
@@ -328,7 +328,7 @@ void handle_nested_irq(unsigned int irq)
action_ret = action->thread_fn(action->irq, action->dev_id);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret);
+ note_interrupt(desc, action_ret);
raw_spin_lock_irq(&desc->lock);
irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
@@ -391,7 +391,7 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
goto out_unlock;
desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) {
desc->istate |= IRQS_PENDING;
@@ -443,7 +443,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
goto out_unlock;
desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
/*
* If its disabled or no action available
@@ -515,7 +515,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
goto out;
desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
/*
* If its disabled or no action available
@@ -583,7 +583,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
goto out_unlock;
}
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
/* Start handling the irq */
desc->irq_data.chip->irq_ack(&desc->irq_data);
@@ -646,7 +646,7 @@ void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc)
goto out_eoi;
}
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
do {
if (unlikely(!desc->action))
@@ -675,7 +675,7 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
if (chip->irq_ack)
chip->irq_ack(&desc->irq_data);
@@ -705,7 +705,7 @@ void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc)
void *dev_id = raw_cpu_ptr(action->percpu_dev_id);
irqreturn_t res;
- kstat_incr_irqs_this_cpu(irq, desc);
+ kstat_incr_irqs_this_cpu(desc);
if (chip->irq_ack)
chip->irq_ack(&desc->irq_data);
@@ -985,6 +985,23 @@ int irq_chip_set_affinity_parent(struct irq_data *data,
}
/**
+ * irq_chip_set_type_parent - Set IRQ type on the parent interrupt
+ * @data: Pointer to interrupt specific data
+ * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h
+ *
+ * Conditional, as the underlying parent chip might not implement it.
+ */
+int irq_chip_set_type_parent(struct irq_data *data, unsigned int type)
+{
+ data = data->parent_data;
+
+ if (data->chip->irq_set_type)
+ return data->chip->irq_set_type(data, type);
+
+ return -ENOSYS;
+}
+
+/**
* irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware
* @data: Pointer to interrupt specific data
*
@@ -997,13 +1014,13 @@ int irq_chip_retrigger_hierarchy(struct irq_data *data)
if (data->chip && data->chip->irq_retrigger)
return data->chip->irq_retrigger(data);
- return -ENOSYS;
+ return 0;
}
/**
* irq_chip_set_vcpu_affinity_parent - Set vcpu affinity on the parent interrupt
* @data: Pointer to interrupt specific data
- * @dest: The vcpu affinity information
+ * @vcpu_info: The vcpu affinity information
*/
int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info)
{