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[2/4] PCI: Add quirk for PLDA's XpressRICH3 host bridge class.

Message ID 1444398323-17354-3-git-send-email-Liviu.Dudau@arm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Liviu Dudau Oct. 9, 2015, 1:45 p.m. UTC 
The XpressRICH3 host bridge at power up has an unassigned class on
some of ARM Ltd boards, add a quirk to correct that.

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
---
 drivers/pci/quirks.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b03373f..ae24bb4 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4149,3 +4149,13 @@  static void quirk_intel_qat_vf_cap(struct pci_dev *pdev)
 	}
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x443, quirk_intel_qat_vf_cap);
+
+/*
+ * The PLDA's XpressRICH3 doesn't describe itself as a bridge. This is required
+ * for correct/normal enumeration.
+ */
+static void xr3pci_quirk_class(struct pci_dev *pdev)
+{
+	pdev->class = PCI_CLASS_BRIDGE_PCI << 8;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLDA, PCI_DEVICE_ID_XR3PCI, xr3pci_quirk_class);