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genirq: Remove the irq argument from check_irq_resend()

Browse source 
It's only used in the software resend case and can be retrieved from
irq_desc if necessary.

Signed-off-by: Jiang Liu <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Bjorn Helgaas <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Borislav Petkov <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Jiang Liu 2015-06-04 12:13:27 +08:00 • committed by Thomas Gleixner
commit 0798abeb7e
4 changed files with 6 additions and 4 deletions
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2
kernel/irq/chip.c
View file

@ -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;
}

2
kernel/irq/internals.h
View file

@ -90,7 +90,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *act
irqreturn_t handle_irq_event(struct irq_desc *desc);
/* Resending of interrupts :*/
void check_irq_resend(struct irq_desc *desc, unsigned int irq);
void check_irq_resend(struct irq_desc *desc);
bool irq_wait_for_poll(struct irq_desc *desc);
void __irq_wake_thread(struct irq_desc *desc, struct irqaction *action);

2
kernel/irq/manage.c
View file

@ -516,7 +516,7 @@ void __enable_irq(struct irq_desc *desc, unsigned int irq)
/* Prevent probing on this irq: */
irq_settings_set_noprobe(desc);
irq_enable(desc);
check_irq_resend(desc, irq);
check_irq_resend(desc);
/* fall-through */
}
default:

4
kernel/irq/resend.c
View file

@ -53,7 +53,7 @@ static DECLARE_TASKLET(resend_tasklet, resend_irqs, 0);
*
* Is called with interrupts disabled and desc->lock held.
*/
void check_irq_resend(struct irq_desc *desc, unsigned int irq)
void check_irq_resend(struct irq_desc *desc)
{
/*
* We do not resend level type interrupts. Level type
@ -74,6 +74,8 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
if (!desc->irq_data.chip->irq_retrigger ||
!desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {
#ifdef CONFIG_HARDIRQS_SW_RESEND
unsigned int irq = irq_desc_get_irq(desc);
/*
* If the interrupt has a parent irq and runs
* in the thread context of the parent irq,