linux-kernel - [tip:irq/core] genirq: Remove the irq argument from check_irq

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Date:	Sat, 11 Jul 2015 14:31:59 -0700
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, hpa@...or.com, linux-kernel@...r.kernel.org,
	konrad.wilk@...cle.com, bp@...en8.de, jiang.liu@...ux.intel.com,
	mingo@...nel.org, rdunlap@...radead.org, bhelgaas@...gle.com,
	yinghai@...nel.org, tony.luck@...el.com, benh@...nel.crashing.org
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@...ux.intel.com>
AuthorDate: Thu, 4 Jun 2015 12:13:27 +0800
Committer:  Thomas Gleixner <tglx@...utronix.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@...ux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Link: http://lkml.kernel.org/r/1433391238-19471-18-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.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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