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PCI: Add PCI_CLASS_SERIAL_USB_DEVICE definition

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PCI-SIG has defined Interface FEh for Base Class 0Ch, Sub-Class 03h as "USB
Device (not host controller)".  It is already being used in various USB
device controller drivers for matching, so add PCI_CLASS_SERIAL_USB_DEVICE
and use it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Heikki Krogerus
2016-03-15 14:06:00 +02:00
committed by Bjorn Helgaas
parent caf02abf9b
commit 7b78f48a04
6 changed files with 12 additions and 11 deletions
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2
drivers/pci/quirks.c
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@@ -438,7 +438,7 @@ static void quirk_amd_nl_class(struct pci_dev *pdev)
u32 class = pdev->class;
/* Use "USB Device (not host controller)" class */
pdev->class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe;
pdev->class = PCI_CLASS_SERIAL_USB_DEVICE;
dev_info(&pdev->dev, "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
class, pdev->class);
}