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Subject[tip:irq/core] genirq: Remove the irq argument from check_irq_resend()
Commit-ID:  0798abeb7eec37dcc20f252c2195fc31c41561f9
Gitweb: http://git.kernel.org/tip/0798abeb7eec37dcc20f252c2195fc31c41561f9
Author: Jiang Liu <jiang.liu@linux.intel.com>
AuthorDate: Thu, 4 Jun 2015 12:13:27 +0800
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Sat, 11 Jul 2015 23:14:24 +0200

genirq: Remove the irq argument from check_irq_resend()

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

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/1433391238-19471-18-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/irq/chip.c | 2 +-
kernel/irq/internals.h | 2 +-
kernel/irq/manage.c | 2 +-
kernel/irq/resend.c | 4 +++-
4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index f3c3d55..0cfbd15 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -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;
}

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 3e03824..7054947e 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -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);

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index f974485..c2e835d 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -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:
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 9065107..32fc47c 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -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,

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