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| author | Alex Shi <alex.shi@linaro.org> | 2016-05-05 13:36:03 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-05-05 13:36:03 +0800 |
| commit | e91b1cc90283c1b9b75670b027a18afbd20fe070 (patch) | |
| tree | 81c395406a3774775a183d544aee9c5ced1c31d6 /drivers/usb/core/hcd-pci.c | |
| parent | d83731cf53fd3af7173cab5e3f573d06ebc852be (diff) | |
| parent | 0b3df30dcadcddc56aed56c3c2d2de2ca963e81d (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.06-rtlsk-v4.1-16.05-rt
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 9eb1cff28bd4..b8b580e5ae6e 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -74,6 +74,15 @@ 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; |