diff options
| author | Clark Williams <williams@redhat.com> | 2012-03-01 09:15:01 -0600 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-03-01 09:15:01 -0600 |
| commit | 5ee07f2a498e0a5f4a9994317c0f2e451e27b4f2 (patch) | |
| tree | 8d8cc50a7de738e1e6b7a66ec27120f616b3919a /drivers/usb/host/xhci.c | |
| parent | 5f269e50cb10cd1a74b89f7fda87b0c9082754f0 (diff) | |
| parent | 44fb3170ae46f8de964a4bb5b0504e865a6dd7da (diff) | |
Merge commit 'v3.2.9' into rt-3.2.9-rt13v3.2.9-rt13
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b33f0598ccfe..034f5543b5fd 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -352,6 +352,11 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) /* hcd->irq is -1, we have MSI */ return 0; + if (!pdev->irq) { + xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n"); + return -EINVAL; + } + /* fall back to legacy interrupt*/ ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED, hcd->irq_descr, hcd); |