diff options
| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2016-05-17 21:12:50 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2016-05-17 21:12:50 -0400 |
| commit | e7ca7f9fa2cda220ba807620c992ce77c33a32ea (patch) | |
| tree | fb8a6c1abc638c5a79645f4b9f44ece7c67187b4 /drivers/usb/core/hcd-pci.c | |
| parent | 5f0dfb7a9bcc8139958f59ecb9bbd7e738ae702d (diff) | |
| parent | d65c8fff867a6450c58ce31572e883148a445ddf (diff) | |
Merge branch 'fixes' into misc
Diffstat (limited to 'drivers/usb/core/hcd-pci.c')
| -rw-r--r-- | drivers/usb/core/hcd-pci.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index f9d42cf23e55..7859d738df41 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -73,6 +73,15 @@ static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd, if (companion->bus != pdev->bus || PCI_SLOT(companion->devfn) != slot) continue; + + /* + * Companion device should be either UHCI,OHCI or EHCI host + * controller, otherwise skip. + */ + if (companion->class != CL_UHCI && companion->class != CL_OHCI && + companion->class != CL_EHCI) + continue; + companion_hcd = pci_get_drvdata(companion); if (!companion_hcd || !companion_hcd->self.root_hub) continue; |