mfd: fsl-imx25: Set irq handler and data in one go

Replace the two separate calls for setting the irq handler and data with
a single irq_set_chained_handler_and_data() call.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/fsl-imx25-tsadc.c

@@ -84,8 +84,7 @@ static int mx25_tsadc_setup_irq(struct platform_device *pdev,
 		return -ENOMEM;
 	}
 
-	irq_set_chained_handler(irq, mx25_tsadc_irq_handler);
-	irq_set_handler_data(irq, tsadc);
+	irq_set_chained_handler_and_data(irq, mx25_tsadc_irq_handler, tsadc);
 
 	return 0;
 }