diff --git a/sys/dev/bhnd/bhndb/bhndb_pci.c b/sys/dev/bhnd/bhndb/bhndb_pci.c
index 0cdcba1d..7b6ae0f3 100644
--- a/sys/dev/bhnd/bhndb/bhndb_pci.c
+++ b/sys/dev/bhnd/bhndb/bhndb_pci.c
@@ -195,6 +195,16 @@ static struct bhndb_pci_quirk bhndb_pci_quirks[] = {
 static struct bhndb_pci_quirk bhndb_pcie_quirks[] = {
 	/* All PCIe-G1 core revisions require the SRSH work-around */
 	BHNDB_PCI_QUIRK(HWREV_ANY,	BHNDB_PCI_QUIRK_SRSH_WAR),
+
+	/*
+	 * BCM43224 (and other Broadcom PCIe-G1 endpoints) do not have MSI
+	 * delivered on some host platforms (e.g. NVIDIA MCP89 based Apple
+	 * MacBook Air); force legacy INTx instead.
+	 */
+	{ { BHND_MATCH_CHIP_ID(BCM43224) },
+	  { BHND_MATCH_ANY },
+	  BHNDB_PCI_QUIRK_NO_MSI },
+
 	BHNDB_PCI_QUIRK_END
 };
 
@@ -327,6 +337,13 @@ bhndb_pci_alloc_msi(struct bhndb_pci_softc *sc, int *msi_count)
 {
 	int error, count;
 
+	/* MSI disabled by bridge quirk? */
+	if (sc->pci_quirks & BHNDB_PCI_QUIRK_NO_MSI) {
+		device_printf(sc->dev, "MSI disabled by quirk; using INTx on "
+		    "%s\n", device_get_nameunit(sc->parent));
+		return (ENXIO);
+	}
+
 	/* Is MSI available? */
 	if (pci_msi_count(sc->parent) < BHNDB_PCI_MSI_COUNT)
 		return (ENXIO);