smsc911x: register isr as IRQF_SHARED

The isr supports shared operation, so register it with the IRQF_SHARED
flag to indicate this.

This patch also removes the IRQF_DISABLED flag.  This driver doesn't
need it, and IRQF_DISABLED isn't guaranteed when using shared interrupts.
Signed-off-by: NSteve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/smsc911x.c

@@ -1972,7 +1972,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
 	smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
 
 	retval = request_irq(dev->irq, smsc911x_irqhandler,
-			     irq_flags | IRQF_DISABLED, dev->name, dev);
+			     irq_flags | IRQF_SHARED, dev->name, dev);
 	if (retval) {
 		SMSC_WARNING(PROBE,
 			"Unable to claim requested irq: %d", dev->irq);