Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

Conflicts:
	drivers/net/wireless/iwlwifi/iwl-rx.c

31 files changed, 832 insertions, 304 deletions

diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index e0138ac8bf5..e974e5829e1 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -64,6 +64,8 @@ static struct usb_device_id ar9170_usb_ids[] = {
 	{ USB_DEVICE(0x0cf3, 0x9170) },
 	/* Atheros TG121N */
 	{ USB_DEVICE(0x0cf3, 0x1001) },
+	/* TP-Link TL-WN821N v2 */
+	{ USB_DEVICE(0x0cf3, 0x1002) },
 	/* Cace Airpcap NX */
 	{ USB_DEVICE(0xcace, 0x0300) },
 	/* D-Link DWA 160A */
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 3234995e888..0ad6d0b76e9 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -609,14 +609,24 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
 		AR_PHY_CH1_EXT_CCA,
 		AR_PHY_CH2_EXT_CCA
 	};
-	u8 chainmask;
+	u8 chainmask, rx_chain_status;
 
+	rx_chain_status = REG_READ(ah, AR_PHY_RX_CHAINMASK);
 	if (AR_SREV_9285(ah))
 		chainmask = 0x9;
-	else if (AR_SREV_9280(ah) || AR_SREV_9287(ah))
-		chainmask = 0x1B;
-	else
-		chainmask = 0x3F;
+	else if (AR_SREV_9280(ah) || AR_SREV_9287(ah)) {
+		if ((rx_chain_status & 0x2) || (rx_chain_status & 0x4))
+			chainmask = 0x1B;
+		else
+			chainmask = 0x09;
+	} else {
+		if (rx_chain_status & 0x4)
+			chainmask = 0x3F;
+		else if (rx_chain_status & 0x2)
+			chainmask = 0x1B;
+		else
+			chainmask = 0x09;
+	}
 
 	h = ah->nfCalHist;
 
@@ -697,6 +707,8 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
 		noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
 	else if (AR_SREV_9285(ah))
 		noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
+	else if (AR_SREV_9287(ah))
+		noise_floor = AR_PHY_CCA_MAX_AR9287_GOOD_VALUE;
 	else
 		noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;
 
@@ -924,6 +936,7 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
 		regVal |= (1 << (19 + i));
 		REG_WRITE(ah, 0x7834, regVal);
 		udelay(1);
+		regVal = REG_READ(ah, 0x7834);
 		regVal &= (~(0x1 << (19 + i)));
 		reg_field = MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9);
 		regVal |= (reg_field << (19 + i));
diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
index 019bcbba40e..9028ab193e4 100644
--- a/drivers/net/wireless/ath/ath9k/calib.h
+++ b/drivers/net/wireless/ath/ath9k/calib.h
@@ -28,6 +28,7 @@ extern const struct ath9k_percal_data adc_init_dc_cal;
 #define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE	-85
 #define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE	-112
 #define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE	-118
+#define AR_PHY_CCA_MAX_AR9287_GOOD_VALUE	-118
 #define AR_PHY_CCA_MAX_HIGH_VALUE      		-62
 #define AR_PHY_CCA_MIN_BAD_VALUE       		-140
 #define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT     3
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index ae7fb5dcb26..4071fc91da0 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -509,6 +509,8 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
 			REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE,
 				      eep->baseEepHeader.dacLpMode);
 
+		udelay(100);
+
 		REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, AR_PHY_FRAME_CTL_TX_CLIP,
 			      pModal->miscBits >> 2);
 
@@ -902,7 +904,7 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 						  u16 powerLimit)
 {
 #define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
-#define REDUCE_SCALED_POWER_BY_THREE_CHAIN   10 /* 10*log10(3)*2 */
+#define REDUCE_SCALED_POWER_BY_THREE_CHAIN   9 /* 10*log10(3)*2 */
 
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b6c6cca0781..ca7694caf36 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -842,7 +842,7 @@ static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
 
 static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
 {
-	if (AR_SREV_9287_11(ah))
+	if (AR_SREV_9287_11_OR_LATER(ah))
 		INIT_INI_ARRAY(&ah->iniModesRxGain,
 		ar9287Modes_rx_gain_9287_1_1,
 		ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
@@ -853,7 +853,7 @@ static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
 	else if (AR_SREV_9280_20(ah))
 		ath9k_hw_init_rxgain_ini(ah);
 
-	if (AR_SREV_9287_11(ah)) {
+	if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModesTxGain,
 		ar9287Modes_tx_gain_9287_1_1,
 		ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
@@ -965,7 +965,7 @@ int ath9k_hw_init(struct ath_hw *ah)
 	ath9k_hw_init_mode_regs(ah);
 
 	if (ah->is_pciexpress)
-		ath9k_hw_configpcipowersave(ah, 0);
+		ath9k_hw_configpcipowersave(ah, 0, 0);
 	else
 		ath9k_hw_disablepcie(ah);
 
@@ -1273,6 +1273,15 @@ static void ath9k_hw_override_ini(struct ath_hw *ah,
 	 */
 	REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
 
+	if (AR_SREV_9280_10_OR_LATER(ah)) {
+		val = REG_READ(ah, AR_PCU_MISC_MODE2) &
+			       (~AR_PCU_MISC_MODE2_HWWAR1);
+
+		if (AR_SREV_9287_10_OR_LATER(ah))
+			val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
+
+		REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
+	}
 
 	if (!AR_SREV_5416_20_OR_LATER(ah) ||
 	    AR_SREV_9280_10_OR_LATER(ah))
@@ -1784,7 +1793,7 @@ static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 static bool ath9k_hw_chip_reset(struct ath_hw *ah,
 				struct ath9k_channel *chan)
 {
-	if (OLC_FOR_AR9280_20_LATER) {
+	if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
 		if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
 			return false;
 	} else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
@@ -2338,6 +2347,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	struct ath9k_channel *curchan = ah->curchan;
 	u32 saveDefAntenna;
 	u32 macStaId1;
+	u64 tsf = 0;
 	int i, rx_chainmask, r;
 
 	ah->extprotspacing = sc->ht_extprotspacing;
@@ -2347,7 +2357,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return -EIO;
 
-	if (curchan)
+	if (curchan && !ah->chip_fullsleep)
 		ath9k_hw_getnf(ah, curchan);
 
 	if (bChannelChange &&
@@ -2356,8 +2366,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	    (chan->channel != ah->curchan->channel) &&
 	    ((chan->channelFlags & CHANNEL_ALL) ==
 	     (ah->curchan->channelFlags & CHANNEL_ALL)) &&
-	    (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) &&
-				   !IS_CHAN_A_5MHZ_SPACED(ah->curchan)))) {
+	     !(AR_SREV_9280(ah) || IS_CHAN_A_5MHZ_SPACED(chan) ||
+	     IS_CHAN_A_5MHZ_SPACED(ah->curchan))) {
 
 		if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) {
 			ath9k_hw_loadnf(ah, ah->curchan);
@@ -2372,6 +2382,10 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
 
+	/* For chips on which RTC reset is done, save TSF before it gets cleared */
+	if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+		tsf = ath9k_hw_gettsf64(ah);
+
 	saveLedState = REG_READ(ah, AR_CFG_LED) &
 		(AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
 		 AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
@@ -2398,6 +2412,10 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		udelay(50);
 	}
 
+	/* Restore TSF */
+	if (tsf && AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+		ath9k_hw_settsf64(ah, tsf);
+
 	if (AR_SREV_9280_10_OR_LATER(ah))
 		REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
 
@@ -3005,9 +3023,10 @@ void ath9k_ps_restore(struct ath_softc *sc)
  * Programming the SerDes must go through the same 288 bit serial shift
  * register as the other analog registers.  Hence the 9 writes.
  */
-void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore)
+void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off)
 {
 	u8 i;
+	u32 val;
 
 	if (ah->is_pciexpress != true)
 		return;
@@ -3017,84 +3036,113 @@ void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore)
 		return;
 
 	/* Nothing to do on restore for 11N */
-	if (restore)
-		return;
+	if (!restore) {
+		if (AR_SREV_9280_20_OR_LATER(ah)) {
+			/*
+			 * AR9280 2.0 or later chips use SerDes values from the
+			 * initvals.h initialized depending on chipset during
+			 * ath9k_hw_init()
+			 */
+			for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
+				REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
+					  INI_RA(&ah->iniPcieSerdes, i, 1));
+			}
+		} else if (AR_SREV_9280(ah) &&
+			   (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+
+			/* RX shut off when elecidle is asserted */
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
+
+			/* Shut off CLKREQ active in L1 */
+			if (ah->config.pcie_clock_req)
+				REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
+			else
+				REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
 
-	if (AR_SREV_9280_20_OR_LATER(ah)) {
-		/*
-		 * AR9280 2.0 or later chips use SerDes values from the
-		 * initvals.h initialized depending on chipset during
-		 * ath9k_hw_init()
-		 */
-		for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
-			REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
-				  INI_RA(&ah->iniPcieSerdes, i, 1));
-		}
-	} else if (AR_SREV_9280(ah) &&
-		   (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
 
-		/* RX shut off when elecidle is asserted */
-		REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
+			/* Load the new settings */
+			REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
 
-		/* Shut off CLKREQ active in L1 */
-		if (ah->config.pcie_clock_req)
-			REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
-		else
-			REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
-
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
+		} else {
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
 
-		/* Load the new settings */
-		REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+			/* RX shut off when elecidle is asserted */
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
 
-	} else {
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+			/*
+			 * Ignore ah->ah_config.pcie_clock_req setting for
+			 * pre-AR9280 11n
+			 */
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
 
-		/* RX shut off when elecidle is asserted */
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
 
-		/*
-		 * Ignore ah->ah_config.pcie_clock_req setting for
-		 * pre-AR9280 11n
-		 */
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
+			/* Load the new settings */
+			REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+		}
 
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
-		REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
+		udelay(1000);
 
-		/* Load the new settings */
-		REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
-	}
+		/* set bit 19 to allow forcing of pcie core into L1 state */
+		REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
 
-	udelay(1000);
+		/* Several PCIe massages to ensure proper behaviour */
+		if (ah->config.pcie_waen) {
+			val = ah->config.pcie_waen;
+			if (!power_off)
+				val &= (~AR_WA_D3_L1_DISABLE);
+		} else {
+			if (AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
+			    AR_SREV_9287(ah)) {
+				val = AR9285_WA_DEFAULT;
+				if (!power_off)
+					val &= (~AR_WA_D3_L1_DISABLE);
+			} else if (AR_SREV_9280(ah)) {
+				/*
+				 * On AR9280 chips bit 22 of 0x4004 needs to be
+				 * set otherwise card may disappear.
+				 */
+				val = AR9280_WA_DEFAULT;
+				if (!power_off)
+					val &= (~AR_WA_D3_L1_DISABLE);
+			} else
+				val = AR_WA_DEFAULT;
+		}
 
-	/* set bit 19 to allow forcing of pcie core into L1 state */
-	REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+		REG_WRITE(ah, AR_WA, val);
+	}
 
-	/* Several PCIe massages to ensure proper behaviour */
-	if (ah->config.pcie_waen) {
-		REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
-	} else {
-		if (AR_SREV_9285(ah) || AR_SREV_9271(ah) || AR_SREV_9287(ah))
-			REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
+	if (power_off) {
 		/*
-		 * On AR9280 chips bit 22 of 0x4004 needs to be set to
-		 * otherwise card may disappear.
+		 * Set PCIe workaround bits
+		 * bit 14 in WA register (disable L1) should only
+		 * be set when device enters D3 and be cleared
+		 * when device comes back to D0.
 		 */
-		else if (AR_SREV_9280(ah))
-			REG_WRITE(ah, AR_WA, AR9280_WA_DEFAULT);
-		else
-			REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
+		if (ah->config.pcie_waen) {
+			if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
+				REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
+		} else {
+			if (((AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
+			      AR_SREV_9287(ah)) &&
+			     (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
+			    (AR_SREV_9280(ah) &&
+			     (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
+				REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
+			}
+		}
 	}
 }
 
@@ -3652,15 +3700,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	}
 #endif
 
-	if ((ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) ||
-	    (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) ||
-	    (ah->hw_version.macVersion == AR_SREV_VERSION_9160) ||
-	    (ah->hw_version.macVersion == AR_SREV_VERSION_9100) ||
-	    (ah->hw_version.macVersion == AR_SREV_VERSION_9280) ||
-	    (ah->hw_version.macVersion == AR_SREV_VERSION_9285))
-		pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
-	else
-		pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
+	pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
 
 	if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
 		pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 9106a0b537d..b8923457182 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -106,7 +106,7 @@
 #define AH_TSF_WRITE_TIMEOUT        100    /* (us) */
 #define AH_TIME_QUANTUM             10
 #define AR_KEYTABLE_SIZE            128
-#define POWER_UP_TIME               200000
+#define POWER_UP_TIME               10000
 #define SPUR_RSSI_THRESH            40
 
 #define CAB_TIMEOUT_VAL             10
@@ -650,7 +650,7 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs);
 bool ath9k_hw_setpower(struct ath_hw *ah,
 		       enum ath9k_power_mode mode);
-void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore);
+void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off);
 
 /* Interrupt Handling */
 bool ath9k_hw_intrpend(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3dc7b5a13e6..52bed89063d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1131,7 +1131,7 @@ void ath_radio_enable(struct ath_softc *sc)
 	int r;
 
 	ath9k_ps_wakeup(sc);
-	ath9k_hw_configpcipowersave(ah, 0);
+	ath9k_hw_configpcipowersave(ah, 0, 0);
 
 	if (!ah->curchan)
 		ah->curchan = ath_get_curchannel(sc, sc->hw);
@@ -1202,7 +1202,7 @@ void ath_radio_disable(struct ath_softc *sc)
 	spin_unlock_bh(&sc->sc_resetlock);
 
 	ath9k_hw_phy_disable(ah);
-	ath9k_hw_configpcipowersave(ah, 1);
+	ath9k_hw_configpcipowersave(ah, 1, 1);
 	ath9k_ps_restore(sc);
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 }
@@ -1226,11 +1226,6 @@ static void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
 	bool blocked = !!ath_is_rfkill_set(sc);
 
 	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
-
-	if (blocked)
-		ath_radio_disable(sc);
-	else
-		ath_radio_enable(sc);
 }
 
 static void ath_start_rfkill_poll(struct ath_softc *sc)
@@ -1260,6 +1255,7 @@ void ath_detach(struct ath_softc *sc)
 	DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
 
 	ath_deinit_leds(sc);
+	wiphy_rfkill_stop_polling(sc->hw->wiphy);
 
 	for (i = 0; i < sc->num_sec_wiphy; i++) {
 		struct ath_wiphy *aphy = sc->sec_wiphy[i];
@@ -1942,7 +1938,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	init_channel = ath_get_curchannel(sc, hw);
 
 	/* Reset SERDES registers */
-	ath9k_hw_configpcipowersave(sc->sc_ah, 0);
+	ath9k_hw_configpcipowersave(sc->sc_ah, 0, 0);
 
 	/*
 	 * The basic interface to setting the hardware in a good
@@ -2166,11 +2162,9 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	} else
 		sc->rx.rxlink = NULL;
 
-	wiphy_rfkill_stop_polling(sc->hw->wiphy);
-
 	/* disable HAL and put h/w to sleep */
 	ath9k_hw_disable(sc->sc_ah);
-	ath9k_hw_configpcipowersave(sc->sc_ah, 1);
+	ath9k_hw_configpcipowersave(sc->sc_ah, 1, 1);
 	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
 
 	sc->sc_flags |= SC_OP_INVALID;
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index e5c29eb86e8..d83b77f821e 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -676,8 +676,9 @@
 #define AR_RC_HOSTIF         0x00000100
 
 #define AR_WA                		0x4004
+#define AR_WA_D3_L1_DISABLE		(1 << 14)
 #define AR9285_WA_DEFAULT 		0x004a05cb
-#define AR9280_WA_DEFAULT           	0x0040073f
+#define AR9280_WA_DEFAULT           	0x0040073b
 #define AR_WA_DEFAULT               	0x0000073f
 
 
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 83e38134acc..54ea61c15d8 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -61,11 +61,28 @@ config B43_PCMCIA
 
 	  If unsure, say N.
 
+config B43_SDIO
+	bool "Broadcom 43xx SDIO device support (EXPERIMENTAL)"
+	depends on B43 && SSB_SDIOHOST_POSSIBLE && EXPERIMENTAL
+	select SSB_SDIOHOST
+	---help---
+	  Broadcom 43xx device support for Soft-MAC SDIO devices.
+
+	  With this config option you can drive Soft-MAC b43 cards with a
+	  Secure Digital I/O interface.
+	  This includes the WLAN daughter card found on the Nintendo Wii
+	  video game console.
+	  Note that this does not support Broadcom 43xx Full-MAC devices.
+
+	  It's safe to select Y here, even if you don't have a B43 SDIO device.
+
+	  If unsure, say N.
+
 # Data transfers to the device via PIO
-# This is only needed on PCMCIA devices. All others can do DMA properly.
+# This is only needed on PCMCIA and SDIO devices. All others can do DMA properly.
 config B43_PIO
 	bool
-	depends on B43 && (B43_PCMCIA || B43_FORCE_PIO)
+	depends on B43 && (B43_SDIO || B43_PCMCIA || B43_FORCE_PIO)
 	select SSB_BLOCKIO
 	default y
 
diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile
index da379f4b0c3..84772a2542d 100644
--- a/drivers/net/wireless/b43/Makefile
+++ b/drivers/net/wireless/b43/Makefile
@@ -16,6 +16,7 @@ b43-$(CONFIG_B43_PIO)		+= pio.o
 b43-y				+= rfkill.o
 b43-$(CONFIG_B43_LEDS)		+= leds.o
 b43-$(CONFIG_B43_PCMCIA)	+= pcmcia.o
+b43-$(CONFIG_B43_SDIO)		+= sdio.o
 b43-$(CONFIG_B43_DEBUG)		+= debugfs.o
 
 obj-$(CONFIG_B43)		+= b43.o
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 09cfe68537b..fa1549a03c7 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -629,13 +629,6 @@ struct b43_wl {
 	 * from the mac80211 subsystem. */
 	u16 mac80211_initially_registered_queues;
 
-	/* R/W lock for data transmission.
-	 * Transmissions on 2+ queues can run concurrently, but somebody else
-	 * might sync with TX by write_lock_irqsave()'ing. */
-	rwlock_t tx_lock;
-	/* Lock for LEDs access. */
-	spinlock_t leds_lock;
-
 	/* We can only have one operating interface (802.11 core)
 	 * at a time. General information about this interface follows.
 	 */
@@ -686,6 +679,9 @@ struct b43_wl {
 	struct work_struct tx_work;
 	/* Queue of packets to be transmitted. */
 	struct sk_buff_head tx_queue;
+
+	/* The device LEDs. */
+	struct b43_leds leds;
 };
 
 /* The type of the firmware file. */
@@ -768,13 +764,10 @@ struct b43_wldev {
 	/* The device initialization status.
 	 * Use b43_status() to query. */
 	atomic_t __init_status;
-	/* Saved init status for handling suspend. */
-	int suspend_init_status;
 
 	bool bad_frames_preempt;	/* Use "Bad Frames Preemption" (default off) */
 	bool dfq_valid;		/* Directed frame queue valid (IBSS PS mode, ATIM) */
 	bool radio_hw_enable;	/* saved state of radio hardware enabled state */
-	bool suspend_in_progress;	/* TRUE, if we are in a suspend/resume cycle */
 	bool qos_enabled;		/* TRUE, if QoS is used. */
 	bool hwcrypto_enabled;		/* TRUE, if HW crypto acceleration is enabled. */
 
@@ -794,12 +787,6 @@ struct b43_wldev {
 	/* Various statistics about the physical device. */
 	struct b43_stats stats;
 
-	/* The device LEDs. */
-	struct b43_led led_tx;
-	struct b43_led led_rx;
-	struct b43_led led_assoc;
-	struct b43_led led_radio;
-
 	/* Reason code of the last interrupt. */
 	u32 irq_reason;
 	u32 dma_reason[6];
@@ -830,6 +817,10 @@ struct b43_wldev {
 	/* Debugging stuff follows. */
 #ifdef CONFIG_B43_DEBUG
 	struct b43_dfsentry *dfsentry;
+	unsigned int irq_count;
+	unsigned int irq_bit_count[32];
+	unsigned int tx_count;
+	unsigned int rx_count;
 #endif
 };
 
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c
index 8f64943e3f6..80b19a44a40 100644
--- a/drivers/net/wireless/b43/debugfs.c
+++ b/drivers/net/wireless/b43/debugfs.c
@@ -689,6 +689,7 @@ static void b43_add_dynamic_debug(struct b43_wldev *dev)
 	add_dyn_dbg("debug_lo", B43_DBG_LO, 0);
 	add_dyn_dbg("debug_firmware", B43_DBG_FIRMWARE, 0);
 	add_dyn_dbg("debug_keys", B43_DBG_KEYS, 0);
+	add_dyn_dbg("debug_verbose_stats", B43_DBG_VERBOSESTATS, 0);
 
 #undef add_dyn_dbg
 }
diff --git a/drivers/net/wireless/b43/debugfs.h b/drivers/net/wireless/b43/debugfs.h
index e47b4b488b0..822aad8842f 100644
--- a/drivers/net/wireless/b43/debugfs.h
+++ b/drivers/net/wireless/b43/debugfs.h
@@ -13,6 +13,7 @@ enum b43_dyndbg {		/* Dynamic debugging features */
 	B43_DBG_LO,
 	B43_DBG_FIRMWARE,
 	B43_DBG_KEYS,
+	B43_DBG_VERBOSESTATS,
 	__B43_NR_DYNDBG,
 };
 
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index a467ee260a1..8701034569f 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1428,9 +1428,9 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 				ring->nr_failed_tx_packets++;
 			ring->nr_total_packet_tries += status->frame_count;
 #endif /* DEBUG */
-			ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb);
+			ieee80211_tx_status(dev->wl->hw, meta->skb);
 
-			/* skb is freed by ieee80211_tx_status_irqsafe() */
+			/* skb is freed by ieee80211_tx_status() */
 			meta->skb = NULL;
 		} else {
 			/* No need to call free_descriptor_buffer here, as
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index c8b317094c3..fbe3d4f62ce 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -34,57 +34,88 @@
 static void b43_led_turn_on(struct b43_wldev *dev, u8 led_index,
 			    bool activelow)
 {
-	struct b43_wl *wl = dev->wl;
-	unsigned long flags;
 	u16 ctl;
 
-	spin_lock_irqsave(&wl->leds_lock, flags);
 	ctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
 	if (activelow)
 		ctl &= ~(1 << led_index);
 	else
 		ctl |= (1 << led_index);
 	b43_write16(dev, B43_MMIO_GPIO_CONTROL, ctl);
-	spin_unlock_irqrestore(&wl->leds_lock, flags);
 }
 
 static void b43_led_turn_off(struct b43_wldev *dev, u8 led_index,
 			     bool activelow)
 {
-	struct b43_wl *wl = dev->wl;
-	unsigned long flags;
 	u16 ctl;
 
-	spin_lock_irqsave(&wl->leds_lock, flags);
 	ctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL);
 	if (activelow)
 		ctl |= (1 << led_index);
 	else
 		ctl &= ~(1 << led_index);
 	b43_write16(dev, B43_MMIO_GPIO_CONTROL, ctl);
-	spin_unlock_irqrestore(&wl->leds_lock, flags);
 }
 
-/* Callback from the LED subsystem. */
-static void b43_led_brightness_set(struct led_classdev *led_dev,
-				   enum led_brightness brightness)
+static void b43_led_update(struct b43_wldev *dev,
+			   struct b43_led *led)
 {
-	struct b43_led *led = container_of(led_dev, struct b43_led, led_dev);
-	struct b43_wldev *dev = led->dev;
 	bool radio_enabled;
+	bool turn_on;
 
-	if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED))
+	if (!led->wl)
 		return;
 
-	/* Checking the radio-enabled status here is slightly racy,
-	 * but we want to avoid the locking overhead and we don't care
-	 * whether the LED has the wrong state for a second. */
 	radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable);
 
-	if (brightness == LED_OFF || !radio_enabled)
-		b43_led_turn_off(dev, led->index, led->activelow);
+	/* The led->state read is racy, but we don't care. In case we raced
+	 * with the brightness_set handler, we will be called again soon
+	 * to fixup our state. */
+	if (radio_enabled)
+		turn_on = atomic_read(&led->state) != LED_OFF;
 	else
+		turn_on = 0;
+	if (turn_on == led->hw_state)
+		return;
+	led->hw_state = turn_on;
+
+	if (turn_on)
 		b43_led_turn_on(dev, led->index, led->activelow);