usb: ohci-sh: Set IRQ as shared.

The SH USB interface has both OHCI and EHCI modes that share the
same interrupt. Flag the OHCI IRQ as shared in preparation for EHCI
support.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

drivers/usb/host/ohci-sh.c

@@ -109,7 +109,7 @@ static int ohci_hcd_sh_probe(struct platform_device *pdev)
 	hcd->regs = (void __iomem *)res->start;
 	hcd->rsrc_start = res->start;
 	hcd->rsrc_len = resource_size(res);
-	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
 	if (ret != 0) {
 		err("Failed to add hcd");
 		usb_put_hcd(hcd);