i2c: designware-pci: use IRQF_COND_SUSPEND flag

The mentioned flag fixes a warning on Intel Edison board since one of the I2C
controller shares IRQ line with watchdog timer.

Signed-off-by: Andy Shevchenko <[e-mail]>
Acked-by: Mika Westerberg <[e-mail]>
Signed-off-by: Wolfram Sang <[e-mail]>

drivers/i2c/busses/i2c-designware-pcidrv.c

···
 
 	snprintf(adap->name, sizeof(adap->name), "i2c-designware-pci");
 
-	r = devm_request_irq(&pdev->dev, pdev->irq, i2c_dw_isr, IRQF_SHARED,
-			adap->name, dev);
+	r = devm_request_irq(&pdev->dev, pdev->irq, i2c_dw_isr,
+			IRQF_SHARED | IRQF_COND_SUSPEND, adap->name, dev);
 	if (r) {
 		dev_err(&pdev->dev, "failure requesting irq %i\n", dev->irq);
 		return r;