MIPS: pci-rt3883: 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.

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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: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Patchwork: https://patchwork.linux-mips.org/patch/10698/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/pci/pci-rt3883.c

@@ -225,8 +225,7 @@ static int rt3883_pci_irq_init(struct device *dev,
 		return -ENODEV;
 	}
 
-	irq_set_handler_data(irq, rpc);
-	irq_set_chained_handler(irq, rt3883_pci_irq_handler);
+	irq_set_chained_handler_and_data(irq, rt3883_pci_irq_handler, rpc);
 
 	return 0;
 }