[PATCH] USB: EHCI: Don't use NO_IRQ in xilinx ehci driver

[Michal Simek <monstr-pSz03upnqPeHXe+LvDLADg@public.gmane.org>]

Drivers shouldn't use NO_IRQ. This driver is used
by Microblaze and PPC. PPC defines NO_IRQ as 0
and Microblaze has removed it.

Signed-off-by: Michal Simek <monstr-pSz03upnqPeHXe+LvDLADg@public.gmane.org>
CC: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
CC: Greg Kroah-Hartman <gregkh-l3A5Bk7waGM@public.gmane.org>
CC: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
CC: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
CC: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
---
 drivers/usb/host/ehci-xilinx-of.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index 32793ce..9c2cc46 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -183,7 +183,7 @@ static int __devinit ehci_hcd_xilinx_of_probe(struct platform_device *op)
 	}
 
 	irq = irq_of_parse_and_map(dn, 0);
-	if (irq == NO_IRQ) {
+	if (!irq) {
 		printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_irq;
-- 
1.7.5.4