Synopsys USB 3.x host HAPS platform has a class code of
PCI_CLASS_SERIAL_USB_XHCI, and xhci driver can claim it. However, these
devices should use dwc3-haps driver. Set driver_override to dwc3-haps
for these platforms.
Signed-off-by: Thinh Nguyen <thinhn@xxxxxxxxxxxx>
---
drivers/pci/quirks.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6bc27b7fd452..5f7c3ade7749 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -618,6 +618,27 @@ static void quirk_amd_nl_class(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB,
quirk_amd_nl_class);
+/*
+ * Synopsys USB 3.x host HAPS platform has a class code of
+ * PCI_CLASS_SERIAL_USB_XHCI, and xhci driver can claim it. However, these
+ * devices should use dwc3-haps driver. Set driver_override to dwc3-haps for
+ * these platforms.
+ */
+static void quirk_synopsys_haps(struct pci_dev *pdev)
+{
+ /* Use dwc3-haps driver instead of xhci-pci */
+ pdev->driver_override = "dwc3-haps";
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYNOPSYS,
+ PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3,
+ quirk_synopsys_haps);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYNOPSYS,
+ PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI,
+ quirk_synopsys_haps);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYNOPSYS,
+ PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31,
+ quirk_synopsys_haps);
+
/*
* Let's make the southbridge information explicit instead of having to
* worry about people probing the ACPI areas, for example.. (Yes, it
--
2.11.0
