diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-03-01 10:26:41 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-01 10:26:43 +0100 |
| commit | 7e4d960993331e92567f0180e45322a93e6780ba (patch) | |
| tree | 4d7444035303fc0b545e88afbd894176344fb2a3 /drivers/usb/host/xhci.c | |
| parent | de5bdff7a72acc281219be2b8edeeca1fd81c542 (diff) | |
| parent | 164974a8f2a482f1abcb027c6d1a89dd79b14297 (diff) | |
Merge branch 'linus' into sched/core
Merge reason: we'll queue up dependent patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 6bbe3c3a7111..c939f5fdef9e 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); |