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| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-12-06 04:27:42 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-07 16:34:53 -0500 |
| commit | 8060e169e02fe855f5533b5ef6af1f23ae2db0c4 (patch) | |
| tree | d5a62855ccecce8743cb4fb1b95c3846d20b9571 /drivers/net/wireless/ath/ath9k/pci.c | |
| parent | 7f1c7a6ac57ff0482219aa3f62eb9d0f8fe65867 (diff) | |
| download | blackbird-op-linux-8060e169e02fe855f5533b5ef6af1f23ae2db0c4.tar.gz blackbird-op-linux-8060e169e02fe855f5533b5ef6af1f23ae2db0c4.zip | |
ath9k: Enable extended synch for AR9485 to fix L0s recovery issue
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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) |
