irqchip/imgpdc: Consolidate chained IRQ handler install/remove

Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

Search and conversion was done with coccinelle:

@@
expression E1, E2, E3;
@@
(
-if (irq_set_handler_data(E1, E2) != 0)
-   BUG();
|
-irq_set_handler_data(E1, E2);
)
-irq_set_chained_handler(E1, E3);
+irq_set_chained_handler_and_data(E1, E3, E2);

@@
expression E1, E2, E3;
@@
(
-if (irq_set_handler_data(E1, E2) != 0)
-   BUG();
...
|
-irq_set_handler_data(E1, E2);
...
)
-irq_set_chained_handler(E1, E3);
+irq_set_chained_handler_and_data(E1, E3, E2);

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>

drivers/irqchip/irq-imgpdc.c

@@ -451,13 +451,13 @@ static int pdc_intc_probe(struct platform_device *pdev)
 	/* Setup chained handlers for the peripheral IRQs */
 	for (i = 0; i < priv->nr_perips; ++i) {
 		irq = priv->perip_irqs[i];
-		irq_set_handler_data(irq, priv);
-		irq_set_chained_handler(irq, pdc_intc_perip_isr);
+		irq_set_chained_handler_and_data(irq, pdc_intc_perip_isr,
+						 priv);
 	}
 
 	/* Setup chained handler for the syswake IRQ */
-	irq_set_handler_data(priv->syswake_irq, priv);
-	irq_set_chained_handler(priv->syswake_irq, pdc_intc_syswake_isr);
+	irq_set_chained_handler_and_data(priv->syswake_irq,
+					 pdc_intc_syswake_isr, priv);
 
 	dev_info(&pdev->dev,
 		 "PDC IRQ controller initialised (%u perip IRQs, %u syswake IRQs)\n",