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Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r--kernel/irq/chip.c57
1 files changed, 23 insertions, 34 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index ae216824e..e28169dd1 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;
}
@@ -83,7 +83,7 @@ int irq_set_handler_data(unsigned int irq, void *data)
if (!desc)
return -EINVAL;
- desc->irq_data.handler_data = data;
+ desc->irq_common_data.handler_data = data;
irq_put_desc_unlock(desc, flags);
return 0;
}
@@ -105,7 +105,7 @@ int irq_set_msi_desc_off(unsigned int irq_base, unsigned int irq_offset,
if (!desc)
return -EINVAL;
- desc->irq_data.msi_desc = entry;
+ desc->irq_common_data.msi_desc = entry;
if (entry && !irq_offset)
entry->irq = irq_base;
irq_put_desc_unlock(desc, flags);
@@ -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);
@@ -372,7 +372,6 @@ static bool irq_may_run(struct irq_desc *desc)
/**
* handle_simple_irq - Simple and software-decoded IRQs.
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Simple interrupts are either sent from a demultiplexing interrupt
@@ -382,8 +381,7 @@ static bool irq_may_run(struct irq_desc *desc)
* Note: The caller is expected to handle the ack, clear, mask and
* unmask issues if necessary.
*/
-void
-handle_simple_irq(unsigned int irq, struct irq_desc *desc)
+void handle_simple_irq(struct irq_desc *desc)
{
raw_spin_lock(&desc->lock);
@@ -391,7 +389,7 @@ 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;
@@ -425,7 +423,6 @@ static void cond_unmask_irq(struct irq_desc *desc)
/**
* handle_level_irq - Level type irq handler
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Level type interrupts are active as long as the hardware line has
@@ -433,8 +430,7 @@ static void cond_unmask_irq(struct irq_desc *desc)
* it after the associated handler has acknowledged the device, so the
* interrupt line is back to inactive.
*/
-void
-handle_level_irq(unsigned int irq, struct irq_desc *desc)
+void handle_level_irq(struct irq_desc *desc)
{
raw_spin_lock(&desc->lock);
mask_ack_irq(desc);
@@ -443,7 +439,7 @@ 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
@@ -496,7 +492,6 @@ static void cond_unmask_eoi_irq(struct irq_desc *desc, struct irq_chip *chip)
/**
* handle_fasteoi_irq - irq handler for transparent controllers
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Only a single callback will be issued to the chip: an ->eoi()
@@ -504,8 +499,7 @@ static void cond_unmask_eoi_irq(struct irq_desc *desc, struct irq_chip *chip)
* for modern forms of interrupt handlers, which handle the flow
* details in hardware, transparently.
*/
-void
-handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
+void handle_fasteoi_irq(struct irq_desc *desc)
{
struct irq_chip *chip = desc->irq_data.chip;
@@ -515,7 +509,7 @@ 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
@@ -546,7 +540,6 @@ EXPORT_SYMBOL_GPL(handle_fasteoi_irq);
/**
* handle_edge_irq - edge type IRQ handler
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Interrupt occures on the falling and/or rising edge of a hardware
@@ -560,8 +553,7 @@ EXPORT_SYMBOL_GPL(handle_fasteoi_irq);
* the handler was running. If all pending interrupts are handled, the
* loop is left.
*/
-void
-handle_edge_irq(unsigned int irq, struct irq_desc *desc)
+void handle_edge_irq(struct irq_desc *desc)
{
raw_spin_lock(&desc->lock);
@@ -583,7 +575,7 @@ 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);
@@ -618,13 +610,12 @@ EXPORT_SYMBOL(handle_edge_irq);
#ifdef CONFIG_IRQ_EDGE_EOI_HANDLER
/**
* handle_edge_eoi_irq - edge eoi type IRQ handler
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Similar as the above handle_edge_irq, but using eoi and w/o the
* mask/unmask logic.
*/
-void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc)
+void handle_edge_eoi_irq(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -646,7 +637,7 @@ 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))
@@ -665,17 +656,15 @@ out_eoi:
/**
* handle_percpu_irq - Per CPU local irq handler
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Per CPU interrupts on SMP machines without locking requirements
*/
-void
-handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
+void handle_percpu_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);
@@ -688,7 +677,6 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
/**
* handle_percpu_devid_irq - Per CPU local irq handler with per cpu dev ids
- * @irq: the interrupt number
* @desc: the interrupt description structure for this irq
*
* Per CPU interrupts on SMP machines without locking requirements. Same as
@@ -698,14 +686,15 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
* contain the real device id for the cpu on which this handler is
* called
*/
-void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc)
+void handle_percpu_devid_irq(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
struct irqaction *action = desc->action;
void *dev_id = raw_cpu_ptr(action->percpu_dev_id);
+ unsigned int irq = irq_desc_get_irq(desc);
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);
@@ -796,7 +785,7 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle,
return;
__irq_do_set_handler(desc, handle, 1, NULL);
- desc->irq_data.handler_data = data;
+ desc->irq_common_data.handler_data = data;
irq_put_desc_busunlock(desc, flags);
}
@@ -1020,7 +1009,7 @@ int irq_chip_retrigger_hierarchy(struct irq_data *data)
/**
* 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)
{