diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index f1b8af64569cbdeea7d80316d071aea329eab494..2d10239ce8295e2633699c6680a9f1b7072703e1 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -1040,7 +1040,7 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
}
ret = ath9k_htc_hw_init(hif_dev->htc_handle,
- &hif_dev->udev->dev, hif_dev->device_id,
+ &interface->dev, hif_dev->device_id,
hif_dev->udev->product, id->driver_info);
if (ret) {
ret = -EINVAL;
@@ -1158,7 +1158,7 @@ static int ath9k_hif_usb_resume(struct usb_interface *interface)
#endif
static struct usb_driver ath9k_hif_usb_driver = {
- .name = "ath9k_hif_usb",
+ .name = KBUILD_MODNAME,
.probe = ath9k_hif_usb_probe,
.disconnect = ath9k_hif_usb_disconnect,
#ifdef CONFIG_PM
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1ec9bcd6b2815c28b34cfd4b2a232c8b055dd716..c95bc5cc1a1fbb4bad3d2e816477c5cfbe96fb97 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1254,15 +1254,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ah->txchainmask = common->tx_chainmask;
ah->rxchainmask = common->rx_chainmask;
- if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) {
- ath9k_hw_abortpcurecv(ah);
- if (!ath9k_hw_stopdmarecv(ah)) {
- ath_dbg(common, ATH_DBG_XMIT,
- "Failed to stop receive dma\n");
- bChannelChange = false;
- }
- }
-
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
return -EIO;
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 562257ac52cfecf77ee58cd7f1318507f14d9b75..edc1cbbfecaf6fbd153ce00237f1101f49096edc 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -751,28 +751,47 @@ void ath9k_hw_abortpcurecv(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
-bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset)
{
#define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
#define AH_RX_TIME_QUANTUM 100 /* usec */
struct ath_common *common = ath9k_hw_common(ah);
+ u32 mac_status, last_mac_status = 0;
int i;
+ /* Enable access to the DMA observation bus */
+ REG_WRITE(ah, AR_MACMISC,
+ ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
+ (AR_MACMISC_MISC_OBS_BUS_1 <<
+ AR_MACMISC_MISC_OBS_BUS_MSB_S)));
+
REG_WRITE(ah, AR_CR, AR_CR_RXD);
/* Wait for rx enable bit to go low */
for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0)
break;
+
+ if (!AR_SREV_9300_20_OR_LATER(ah)) {
+ mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
+ if (mac_status == 0x1c0 && mac_status == last_mac_status) {
+ *reset = true;
+ break;
+ }
+
+ last_mac_status = mac_status;
+ }
+
udelay(AH_TIME_QUANTUM);
}
if (i == 0) {
ath_err(common,
- "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
+ "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
AH_RX_STOP_DMA_TIMEOUT / 1000,
REG_READ(ah, AR_CR),
- REG_READ(ah, AR_DIAG_SW));
+ REG_READ(ah, AR_DIAG_SW),
+ REG_READ(ah, AR_DMADBG_7));
return false;
} else {
return true;
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index b2b2ff852c328142a55396801010c46e32c72432..c2a59386fb9cf05a7eabb12214e613103e0c08b0 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -695,7 +695,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
void ath9k_hw_abortpcurecv(struct ath_hw *ah);
-bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset);
int ath9k_hw_beaconq_setup(struct ath_hw *ah);
/* Interrupt Handling */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a9c3f4672aa0e12736a24c8ddb4e4c280d635d29..dcd19bc337d1ddf96890432f085ee6ee83c9658d 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -486,12 +486,12 @@ int ath_startrecv(struct ath_softc *sc)
bool ath_stoprecv(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
- bool stopped;
+ bool stopped, reset = false;
spin_lock_bh(&sc->rx.rxbuflock);
ath9k_hw_abortpcurecv(ah);
ath9k_hw_setrxfilter(ah, 0);
- stopped = ath9k_hw_stopdmarecv(ah);
+ stopped = ath9k_hw_stopdmarecv(ah, &reset);
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
ath_edma_stop_recv(sc);
@@ -506,7 +506,7 @@ bool ath_stoprecv(struct ath_softc *sc)
"confusing the DMA engine when we start RX up\n");
ATH_DBG_WARN_ON_ONCE(!stopped);
}
- return stopped;
+ return stopped || reset;
}
void ath_flushrecv(struct ath_softc *sc)
diff --git a/drivers/net/wireless/iwlegacy/iwl-3945-hw.h b/drivers/net/wireless/iwlegacy/iwl-3945-hw.h
index 779d3cb86e2c86ad9c15f207288032064bca9dcf..5c3a68d3af12e3e7c7fe137a536d2759416f2443 100644
--- a/drivers/net/wireless/iwlegacy/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlegacy/iwl-3945-hw.h
@@ -74,8 +74,6 @@
/* RSSI to dBm */
#define IWL39_RSSI_OFFSET 95
-#define IWL_DEFAULT_TX_POWER 0x0F
-
/*
* EEPROM related constants, enums, and structures.
*/
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-hw.h b/drivers/net/wireless/iwlegacy/iwl-4965-hw.h
index 08b189c8472d214d20ed132a3f0849e693136a29..fc6fa2886d9c38f05099516147dacc3088afb748 100644
--- a/drivers/net/wireless/iwlegacy/iwl-4965-hw.h
+++ b/drivers/net/wireless/iwlegacy/iwl-4965-hw.h
@@ -804,9 +804,6 @@ struct iwl4965_scd_bc_tbl {
#define IWL4965_DEFAULT_TX_RETRY 15
-/* Limit range of txpower output target to be between these values */
-#define IWL4965_TX_POWER_TARGET_POWER_MIN (0) /* 0 dBm: 1 milliwatt */
-
/* EEPROM */
#define IWL4965_FIRST_AMPDU_QUEUE 10
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index 7007d61bb6b5c904aa62af13183bc67b24eb635f..c1511b14b239c69884292e5e8e33296debbdebc4 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -160,6 +160,7 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
+ s8 max_tx_power = 0;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
@@ -235,8 +236,8 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
geo_ch->flags |= ch->ht40_extension_channel;
- if (ch->max_power_avg > priv->tx_power_device_lmt)
- priv->tx_power_device_lmt = ch->max_power_avg;
+ if (ch->max_power_avg > max_tx_power)
+ max_tx_power = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
@@ -249,6 +250,10 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
geo_ch->flags);
}
+ priv->tx_power_device_lmt = max_tx_power;
+ priv->tx_power_user_lmt = max_tx_power;
+ priv->tx_power_next = max_tx_power;
+
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
priv->cfg->sku & IWL_SKU_A) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
@@ -1124,11 +1129,11 @@ int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
if (!priv->cfg->ops->lib->send_tx_power)
return -EOPNOTSUPP;
- if (tx_power < IWL4965_TX_POWER_TARGET_POWER_MIN) {
+ /* 0 dBm mean 1 milliwatt */
+ if (tx_power < 0) {
IWL_WARN(priv,
- "Requested user TXPOWER %d below lower limit %d.\n",
- tx_power,
- IWL4965_TX_POWER_TARGET_POWER_MIN);
+ "Requested user TXPOWER %d below 1 mW.\n",
+ tx_power);
return -EINVAL;
}
diff --git a/drivers/net/wireless/iwlegacy/iwl-eeprom.c b/drivers/net/wireless/iwlegacy/iwl-eeprom.c
index 04c5648027df8db645aa57d4f5535267c5a15d3b..cb346d1a9ffa6e5f581b5b9c9c0a52f6ffafed3a 100644
--- a/drivers/net/wireless/iwlegacy/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlegacy/iwl-eeprom.c
@@ -471,13 +471,6 @@ int iwl_legacy_init_channel_map(struct iwl_priv *priv)
flags & EEPROM_CHANNEL_RADAR))
? "" : "not ");
- /* Set the tx_power_user_lmt to the highest power
- * supported by any channel */
- if (eeprom_ch_info[ch].max_power_avg >
- priv->tx_power_user_lmt)
- priv->tx_power_user_lmt =
- eeprom_ch_info[ch].max_power_avg;
-
ch_info++;
}
}
diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c
index 28eb3d885ba176874a0896bcfa03c5c4953f9af3..cc7ebcee60e5bd6e9d49f2a1ae8c17dee1c31f21 100644
--- a/drivers/net/wireless/iwlegacy/iwl3945-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c
@@ -3825,10 +3825,6 @@ static int iwl3945_init_drv(struct iwl_priv *priv)
priv->force_reset[IWL_FW_RESET].reset_duration =
IWL_DELAY_NEXT_FORCE_FW_RELOAD;
-
- priv->tx_power_user_lmt = IWL_DEFAULT_TX_POWER;
- priv->tx_power_next = IWL_DEFAULT_TX_POWER;
-
if (eeprom->version < EEPROM_3945_EEPROM_VERSION) {
IWL_WARN(priv, "Unsupported EEPROM version: 0x%04X\n",
eeprom->version);
diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c
index 91b3d8b9d7a5aceb2ecc0fbdc5d657dbe19a2cc8..d484c3678163f9191570f59dade85c9d642e018e 100644
--- a/drivers/net/wireless/iwlegacy/iwl4965-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c
@@ -3140,12 +3140,6 @@ static int iwl4965_init_drv(struct iwl_priv *priv)
iwl_legacy_init_scan_params(priv);
- /* Set the tx_power_user_lmt to the lowest power level
- * this value will get overwritten by channel max power avg
- * from eeprom */
- priv->tx_power_user_lmt = IWL4965_TX_POWER_TARGET_POWER_MIN;
- priv->tx_power_next = IWL4965_TX_POWER_TARGET_POWER_MIN;
-
ret = iwl_legacy_init_channel_map(priv);
if (ret) {
IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);