fsl/fman: share the event interrupt

This patch is to share fman event interrupt because
the 1588 timer driver will also use this interrupt.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fman/fman.c

@@ -2801,7 +2801,8 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
 	of_node_put(muram_node);
 	of_node_put(fm_node);
 
-	err = devm_request_irq(&of_dev->dev, irq, fman_irq, 0, "fman", fman);
+	err = devm_request_irq(&of_dev->dev, irq, fman_irq, IRQF_SHARED,
+			       "fman", fman);
 	if (err < 0) {
 		dev_err(&of_dev->dev, "%s: irq %d allocation failed (error = %d)\n",
 			__func__, irq, err);