ath9k: Remove unused workaround

The workaround for ASPM/L0s is needed only for AR9485 1.0,
which was never sold and is not supported by ath9k.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 0 insertions, 23 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 71cd9f0c96af..756191b9eeda 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2561,11 +2561,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
                         pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
         }
 
-        if (AR_SREV_9485_10(ah)) {
-                pCap->pcie_lcr_extsync_en = true;
-                pCap->pcie_lcr_offset = 0x80;
-        }
-
         if (ath9k_hw_dfs_tested(ah))
                 pCap->hw_caps |= ATH9K_HW_CAP_DFS;
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 3e73bfe2315e..bdabbda5a83e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -273,8 +273,6 @@ struct ath9k_hw_capabilities {
         u8 rx_status_len;
         u8 tx_desc_len;
         u8 txs_len;
-        u16 pcie_lcr_offset;
-        bool pcie_lcr_extsync_en;
 };
 
 struct ath9k_ops_config {
@@ -930,7 +928,6 @@ struct ath_bus_ops {
         void (*read_cachesize)(struct ath_common *common, int *csz);
         bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
         void (*bt_coex_prep)(struct ath_common *common);
-        void (*extn_synch_en)(struct ath_common *common);
         void (*aspm_init)(struct ath_common *common);
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c084532291a1..9594b6fcdf06 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -686,9 +686,6 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
         spin_unlock_bh(&sc->sc_pcu_lock);
 
-        if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
-                common->bus_ops->extn_synch_en(common);
-
         mutex_unlock(&sc->mutex);
 
         ath9k_ps_restore(sc);
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index f088f4bf9a26..9553203ee624 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -96,17 +96,6 @@ static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
         return true;
 }
 
-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);
-}
-
 /* Need to be called after we discover btcoex capabilities */
 static void ath_pci_aspm_init(struct ath_common *common)
 {
@@ -153,7 +142,6 @@ 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,
-        .extn_synch_en = ath_pci_extn_synch_enable,
         .aspm_init = ath_pci_aspm_init,
 };