linux-kernel - [PATCH 02/03] Match remove_irq() args with setup

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Date:	Thu, 12 Mar 2009 21:05:51 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, lethal@...ux-sh.org, tglx@...utronix.de,
	Magnus Damm <magnus.damm@...il.com>, mingo@...e.hu
Subject: [PATCH 02/03] Match remove_irq() args with setup_irq()

From: Magnus Damm <damm@...l.co.jp>

Modify remove_irq() to match setup_irq().

Signed-off-by: Magnus Damm <damm@...l.co.jp>
---

 include/linux/irq.h |    2 +-
 kernel/irq/manage.c |   26 +++++++++++++++++---------
 2 files changed, 18 insertions(+), 10 deletions(-)

--- 0002/include/linux/irq.h
+++ work/include/linux/irq.h	2009-03-12 20:30:10.000000000 +0900
@@ -228,7 +228,7 @@ typedef struct irq_desc		irq_desc_t;
 #include <asm/hw_irq.h>
 
 extern int setup_irq(unsigned int irq, struct irqaction *new);
-extern struct irqaction *remove_irq(unsigned int irq, void *dev_id);
+extern void remove_irq(unsigned int irq, struct irqaction *act);
 
 #ifdef CONFIG_GENERIC_HARDIRQS
 
--- 0002/kernel/irq/manage.c
+++ work/kernel/irq/manage.c	2009-03-12 20:31:05.000000000 +0900
@@ -550,15 +550,11 @@ int setup_irq(unsigned int irq, struct i
 	return __setup_irq(irq, desc, act);
 }
 
-/**
- *	remove_irq - free an interrupt
- *	@irq: Interrupt line to free
- *	@dev_id: Device identity to free
- *
- * Used to remove interrupts statically setup by the early boot process.
+ /*
+ * Internal function to unregister an irqaction - used to free
+ * regular and special interrupts that are part of the architecture.
  */
-
-struct irqaction *remove_irq(unsigned int irq, void *dev_id)
+static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *action, **action_ptr;
@@ -634,6 +630,18 @@ struct irqaction *remove_irq(unsigned in
 }
 
 /**
+ *	remove_irq - free an interrupt
+ *	@irq: Interrupt line to free
+ *	@act: irqaction for the interrupt
+ *
+ * Used to remove interrupts statically setup by the early boot process.
+ */
+void remove_irq(unsigned int irq, struct irqaction *act)
+{
+	__free_irq(irq, act->dev_id);
+}
+
+/**
  *	free_irq - free an interrupt allocated with request_irq
  *	@irq: Interrupt line to free
  *	@dev_id: Device identity to free
@@ -649,7 +657,7 @@ struct irqaction *remove_irq(unsigned in
  */
 void free_irq(unsigned int irq, void *dev_id)
 {
-	kfree(remove_irq(irq, dev_id));
+	kfree(__free_irq(irq, dev_id));
 }
 EXPORT_SYMBOL(free_irq);
 
--
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