ath9k: Remove ATH9K_HW_WOW_DEVICE_CAPABLE

Enabling WOW based on the chip is incorrect since
it needs to be done for specific sub-devices which
have proper platform support.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath9k/hw.c

@@ -2544,9 +2544,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 			pCap->hw_caps |= ATH9K_HW_CAP_RTT;
 	}
 
-	if (AR_SREV_9462(ah))
-		pCap->hw_caps |= ATH9K_HW_WOW_DEVICE_CAPABLE;
-
 	if (AR_SREV_9300_20_OR_LATER(ah) &&
 	    ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
 			pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;

drivers/net/wireless/ath/ath9k/hw.h

@@ -248,12 +248,10 @@ enum ath9k_hw_caps {
 #ifdef CONFIG_ATH9K_PCOEM
 	ATH9K_HW_CAP_RTT			= BIT(14),
 	ATH9K_HW_CAP_MCI			= BIT(15),
-	ATH9K_HW_WOW_DEVICE_CAPABLE		= BIT(16),
 	ATH9K_HW_CAP_BT_ANT_DIV			= BIT(17),
 #else
 	ATH9K_HW_CAP_RTT			= 0,
 	ATH9K_HW_CAP_MCI			= 0,
-	ATH9K_HW_WOW_DEVICE_CAPABLE		= 0,
 	ATH9K_HW_CAP_BT_ANT_DIV			= 0,
 #endif
 	ATH9K_HW_CAP_DFS			= BIT(18),

drivers/net/wireless/ath/ath9k/wow.c

@@ -352,9 +352,7 @@ void ath9k_init_wow(struct ieee80211_hw *hw)
 {
 	struct ath_softc *sc = hw->priv;
 
-	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_WOW_DEVICE_CAPABLE) &&
-	    (sc->driver_data & ATH9K_PCI_WOW) &&
-	    device_can_wakeup(sc->dev))
+	if ((sc->driver_data & ATH9K_PCI_WOW) && device_can_wakeup(sc->dev))
 		hw->wiphy->wowlan = &ath9k_wowlan_support;
 
 	atomic_set(&sc->wow_sleep_proc_intr, -1);