dmaengine: moxart: remove NO_IRQ

The use of NO_IRQ is incorrect here and should never have been there,
as irq_of_parse_and_map() returns '0' on failure, not NO_IRQ.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/moxart-dma.c

@@ -579,7 +579,7 @@ static int moxart_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	irq = irq_of_parse_and_map(node, 0);
-	if (irq == NO_IRQ) {
+	if (!irq) {
 		dev_err(dev, "no IRQ resource\n");
 		return -EINVAL;
 	}