ath9k: Enable WoW only for AR9462

The only card with which WoW has been tested and verified is AR9462. Do not enable it for all cards since WoW is really quirky and needs to be tested properly with each chip. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
git-mirror · Jun 3, 2013 · 846e438 · 846e438
1 parent 74a9775
commit 846e438
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Showing 7 changed files with 35 additions and 207 deletions.
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -38,10 +38,6 @@ static int ar9002_hw_init_mode_regs(struct ath_hw *ah)
 	else
 		INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			   ar9280PciePhy_clkreq_always_on_L1_9280);
-#ifdef CONFIG_PM_SLEEP
-		INIT_INI_ARRAY(&ah->iniPcieSerdesWow,
-			       ar9280PciePhy_awow);
-#endif
 
 	if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1);

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
@@ -925,20 +925,6 @@ static const u32 ar9280PciePhy_clkreq_always_on_L1_9280[][2] = {
 	{0x00004044, 0x00000000},
 };
 
-static const u32 ar9280PciePhy_awow[][2] = {
-	/* Addr      allmodes  */
-	{0x00004040, 0x9248fd00},
-	{0x00004040, 0x24924924},
-	{0x00004040, 0xa8000019},
-	{0x00004040, 0x13160820},
-	{0x00004040, 0xe5980560},
-	{0x00004040, 0xc01dcffd},
-	{0x00004040, 0x1aaabe41},
-	{0x00004040, 0xbe105554},
-	{0x00004040, 0x00043007},
-	{0x00004044, 0x00000000},
-};
-
 static const u32 ar9285Modes_9285_1_2[][5] = {
 	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
 	{0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160},

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2595,13 +2595,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 			pCap->hw_caps |= ATH9K_HW_CAP_RTT;
 	}
 
-	if (AR_SREV_9280_20_OR_LATER(ah)) {
-		pCap->hw_caps |= ATH9K_HW_WOW_DEVICE_CAPABLE |
-				 ATH9K_HW_WOW_PATTERN_MATCH_EXACT;
-
-		if (AR_SREV_9280(ah))
-			pCap->hw_caps |= ATH9K_HW_WOW_PATTERN_MATCH_DWORD;
-	}
+	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))

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
@@ -246,9 +246,7 @@ enum ath9k_hw_caps {
 	ATH9K_HW_CAP_MCI			= BIT(15),
 	ATH9K_HW_CAP_DFS			= BIT(16),
 	ATH9K_HW_WOW_DEVICE_CAPABLE		= BIT(17),
-	ATH9K_HW_WOW_PATTERN_MATCH_EXACT	= BIT(18),
-	ATH9K_HW_WOW_PATTERN_MATCH_DWORD	= BIT(19),
-	ATH9K_HW_CAP_PAPRD			= BIT(20),
+	ATH9K_HW_CAP_PAPRD			= BIT(18),
 };
 
 /*
@@ -882,9 +880,6 @@ struct ath_hw {
 	struct ar5416IniArray iniBank6;
 	struct ar5416IniArray iniAddac;
 	struct ar5416IniArray iniPcieSerdes;
-#ifdef CONFIG_PM_SLEEP
-	struct ar5416IniArray iniPcieSerdesWow;
-#endif
 	struct ar5416IniArray iniPcieSerdesLowPower;
 	struct ar5416IniArray iniModesFastClock;
 	struct ar5416IniArray iniAdditional;
@@ -1165,8 +1160,6 @@ static inline void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable)
 }
 #endif
 
-
-
 #define ATH9K_CLOCK_RATE_CCK		22
 #define ATH9K_CLOCK_RATE_5GHZ_OFDM	40
 #define ATH9K_CLOCK_RATE_2GHZ_OFDM	44

diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
@@ -800,21 +800,17 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 
 #ifdef CONFIG_PM_SLEEP
-
 	if ((ah->caps.hw_caps & ATH9K_HW_WOW_DEVICE_CAPABLE) &&
 	    device_can_wakeup(sc->dev)) {
-
 		hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
 					  WIPHY_WOWLAN_DISCONNECT;
 		hw->wiphy->wowlan.n_patterns = MAX_NUM_USER_PATTERN;
 		hw->wiphy->wowlan.pattern_min_len = 1;
 		hw->wiphy->wowlan.pattern_max_len = MAX_PATTERN_SIZE;
-
 	}
 
 	atomic_set(&sc->wow_sleep_proc_intr, -1);
 	atomic_set(&sc->wow_got_bmiss_intr, -1);
-
 #endif
 
 	hw->queues = 4;

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
@@ -2003,7 +2003,6 @@ static void ath9k_wow_add_disassoc_deauth_pattern(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath9k_hw_capabilities *pcaps = &ah->caps;
 	int pattern_count = 0;
 	int i, byte_cnt;
 	u8 dis_deauth_pattern[MAX_PATTERN_SIZE];
@@ -2073,36 +2072,9 @@ static void ath9k_wow_add_disassoc_deauth_pattern(struct ath_softc *sc)
 
 	/* Create Disassociate pattern mask */
 
-	if (pcaps->hw_caps & ATH9K_HW_WOW_PATTERN_MATCH_EXACT) {
-
-		if (pcaps->hw_caps & ATH9K_HW_WOW_PATTERN_MATCH_DWORD) {
-			/*
-			 * for AR9280, because of hardware limitation, the
-			 * first 4 bytes have to be matched for all patterns.
-			 * the mask for disassociation and de-auth pattern
-			 * matching need to enable the first 4 bytes.
-			 * also the duration field needs to be filled.
-			 */
-			dis_deauth_mask[0] = 0xf0;
-
-			/*
-			 * fill in duration field
-			 FIXME: what is the exact value ?
-			 */
-			dis_deauth_pattern[2] = 0xff;
-			dis_deauth_pattern[3] = 0xff;
-		} else {
-			dis_deauth_mask[0] = 0xfe;
-		}
-
-		dis_deauth_mask[1] = 0x03;
-		dis_deauth_mask[2] = 0xc0;
-	} else {
-		dis_deauth_mask[0] = 0xef;
-		dis_deauth_mask[1] = 0x3f;
-		dis_deauth_mask[2] = 0x00;
-		dis_deauth_mask[3] = 0xfc;
-	}
+	dis_deauth_mask[0] = 0xfe;
+	dis_deauth_mask[1] = 0x03;
+	dis_deauth_mask[2] = 0xc0;
 
 	ath_dbg(common, WOW, "Adding disassoc/deauth patterns for WoW\n");