C6X/megamode-pic: Prepare megamod_irq_cascade for irq argument removal

Author: Thomas Gleixner <tglx@linutronix.de>

The irq argument of most interrupt flow handlers is unused or merily
used instead of a local variable. The handlers which need the irq
argument can retrieve the irq number from the irq descriptor.

Search and update was done with coccinelle and the invaluable help of
Julia Lawall.

Signed-off-by: Thomas Gleixner 
Cc: Julia Lawall 
Cc: Mark Salter 
Cc: linux-c6x-dev@linux-c6x.org

---
 arch/c6x/platforms/megamod-pic.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 
diff --git a/arch/c6x/platforms/megamod-pic.c b/arch/c6x/platforms/megamod-pic.c
index 349bc01..d487698 100644
--- a/arch/c6x/platforms/megamod-pic.c
+++ b/arch/c6x/platforms/megamod-pic.c
@@ -93,10 +93,11 @@ static struct irq_chip megamod_chip = {
 	.irq_unmask	= unmask_megamod,
 };
 
-static void megamod_irq_cascade(unsigned int irq, struct irq_desc *desc)
+static void megamod_irq_cascade(unsigned int __irq, struct irq_desc *desc)
 {
 	struct megamod_cascade_data *cascade;
 	struct megamod_pic *pic;
+	unsigned int irq;
 	u32 events;
 	int n, idx;

C6X/megamode-pic: Prepare megamod_irq_cascade for irq argument removal

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