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Diffstat (limited to 'sys/dev/pci/pci.c')
-rw-r--r--sys/dev/pci/pci.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index f94438cda041..cde98cb62cef 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -240,6 +240,7 @@ struct pci_quirk {
#define PCI_QUIRK_DISABLE_MSIX 5 /* MSI-X doesn't work */
#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. */
int arg1;
int arg2;
};
@@ -319,6 +320,13 @@ static const struct pci_quirk pci_quirks[] = {
* expected place.
*/
{ 0x98741002, PCI_QUIRK_REALLOC_BAR, 0, 0 },
+
+ /*
+ * With some MediaTek mt76 WiFi FLR does not work despite advertised.
+ */
+ { 0x061614c3, PCI_QUIRK_DISABLE_FLR, 0, 0 }, /* mt76 7922 */
+
+ /* end of table */
{ 0 }
};
@@ -2896,8 +2904,9 @@ pci_set_powerstate_method(device_t dev, device_t child, int state)
}
if (bootverbose)
- pci_printf(cfg, "Transition from D%d to D%d\n", oldstate,
- state);
+ pci_printf(cfg, "Transition from %s to %s\n",
+ pci_powerstate_to_str(oldstate),
+ pci_powerstate_to_str(state));
PCI_WRITE_CONFIG(dev, child, cfg->pp.pp_location + PCIR_POWER_STATUS,
status, 2);
@@ -6739,6 +6748,8 @@ pcie_flr(device_t dev, u_int max_delay, bool force)
if (!(pci_read_config(dev, cap + PCIER_DEVICE_CAP, 4) & PCIEM_CAP_FLR))
return (false);
+ if (pci_has_quirk(pci_get_devid(dev), PCI_QUIRK_DISABLE_FLR))
+ return (false);
/*
* Disable busmastering to prevent generation of new