diff options
Diffstat (limited to 'sys/dev/pci/pci.c')
| -rw-r--r-- | sys/dev/pci/pci.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 9e43a4c1909f..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 } }; @@ -6740,6 +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 |