diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/pci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 71339dab0860..38d2221241b8 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -103,11 +103,23 @@ static void ath_pci_bt_coex_prep(struct ath_common *common) pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm); } +static void ath_pci_extn_synch_enable(struct ath_common *common) +{ + struct ath_softc *sc = (struct ath_softc *) common->priv; + struct pci_dev *pdev = to_pci_dev(sc->dev); + u8 lnkctl; + + pci_read_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, &lnkctl); + lnkctl |= PCI_EXP_LNKCTL_ES; + pci_write_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, lnkctl); +} + static const struct ath_bus_ops ath_pci_bus_ops = { .ath_bus_type = ATH_PCI, .read_cachesize = ath_pci_read_cachesize, .eeprom_read = ath_pci_eeprom_read, .bt_coex_prep = ath_pci_bt_coex_prep, + .extn_synch_en = ath_pci_extn_synch_enable, }; static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) |