diff options
| author | David S. Miller <davem@davemloft.net> | 2016-04-23 18:26:24 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-23 18:51:33 -0400 |
| commit | 1602f49b58abcb0d34a5f0a29d68e7c1769547aa (patch) | |
| tree | 4848fb0ffbc581ff465fd9c9e5a5b10b06f09b68 /drivers/usb/core/hcd-pci.c | |
| parent | 22d37b6b0058365a80378ee6198d21e7f6c86327 (diff) | |
| parent | 5f44abd041c5f3be76d57579ab254d78e601315b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were two cases of simple overlapping changes,
nothing serious.
In the UDP case, we need to add a hlist_add_tail_rcu()
to linux/rculist.h, because we've moved UDP socket handling
away from using nulls lists.
Signed-off-by: David S. Miller <davem@davemloft.net>
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; |