diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index eb19cba34ac..e1282328fc2 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2447,8 +2447,10 @@ int usb_add_hcd(struct usb_hcd *hcd, && device_can_wakeup(&hcd->self.root_hub->dev)) dev_dbg(hcd->self.controller, "supports USB remote wakeup\n"); - /* enable irqs just before we start the controller */ - if (usb_hcd_is_primary_hcd(hcd)) { + /* enable irqs just before we start the controller, + * if the BIOS provides legacy PCI irqs. + */ + if (usb_hcd_is_primary_hcd(hcd) && irqnum) { retval = usb_hcd_request_irqs(hcd, irqnum, irqflags); if (retval) goto err_request_irq; |