irqchip/imgpdc: Prepare pdc_intc_perip_isr 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

---
 drivers/irqchip/irq-imgpdc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 
diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c
index 03d91cb..841604b 100644
--- a/drivers/irqchip/irq-imgpdc.c
+++ b/drivers/irqchip/irq-imgpdc.c
@@ -218,8 +218,9 @@ static int pdc_irq_set_wake(struct irq_data *data, unsigned int on)
 	return 0;
 }
 
-static void pdc_intc_perip_isr(unsigned int irq, struct irq_desc *desc)
+static void pdc_intc_perip_isr(unsigned int __irq, struct irq_desc *desc)
 {
+	unsigned int irq = irq_desc_get_irq(desc);
 	struct pdc_intc_priv *priv;
 	unsigned int i, irq_no;

irqchip/imgpdc: Prepare pdc_intc_perip_isr for irq argument removal

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