D55389.diff
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	diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
	--- a/sys/dev/pci/pci.c
	+++ b/sys/dev/pci/pci.c
	@@ -241,6 +241,7 @@
	#define PCI_QUIRK_MSI_INTX_BUG 6 /* PCIM_CMD_INTxDIS disables MSI */
	#define PCI_QUIRK_REALLOC_BAR 7 /* Can't allocate memory at the default address */
	#define PCI_QUIRK_DISABLE_FLR 8 /* Function-Level Reset (FLR) not working. */
	+#define PCI_QUIRK_DISABLE_BUS_RESET 9 /* Bus-Reset makes the chips misbehave. */
	int arg1;
	int arg2;
	};
	@@ -326,6 +327,13 @@
	*/
	{ 0x061614c3, PCI_QUIRK_DISABLE_FLR, 0, 0 }, /* mt76 7922 */

	+ /*
	+ * Soem QCA wireless cards start misbehaving after a bus-reset.
	+ */
	+ { 0x003c168c, PCI_QUIRK_DISABLE_BUS_RESET, 0, 0 }, /* QCA988X */
	+ { 0x003e168c, PCI_QUIRK_DISABLE_BUS_RESET, 0, 0 }, /* QCA6174 */
	+
	+
	/* end of table */
	{ 0 }
	};
	@@ -6860,6 +6868,8 @@

	if (dev == NULL \|\| device_get_parent(child) != dev)
	return (0);
	+ if (pci_has_quirk(pci_get_devid(child), PCI_QUIRK_DISABLE_BUS_RESET))
	+ return (0);
	if ((flags & DEVF_RESET_DETACH) != 0) {
	error = device_get_state(child) == DS_ATTACHED ?
	device_detach(child) : 0;