Merge branch 'ptebits' into devel

Conflicts:

	arch/arm/Kconfig

14 files changed, 90 insertions, 61 deletions

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index b20a45aa8680..0676c6d84383 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -251,7 +251,7 @@ static inline void ath5k_txbuf_free(struct ath5k_softc *sc,
                 return;
         pci_unmap_single(sc->pdev, bf->skbaddr, bf->skb->len,
                         PCI_DMA_TODEVICE);
-        dev_kfree_skb(bf->skb);
+        dev_kfree_skb_any(bf->skb);
         bf->skb = NULL;
 }
 
@@ -466,6 +466,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
         mutex_init(&sc->lock);
         spin_lock_init(&sc->rxbuflock);
         spin_lock_init(&sc->txbuflock);
+        spin_lock_init(&sc->block);
 
         /* Set private data */
         pci_set_drvdata(pdev, hw);
@@ -2179,8 +2180,11 @@ ath5k_beacon_config(struct ath5k_softc *sc)
 
                 sc->imask |= AR5K_INT_SWBA;
 
-                if (ath5k_hw_hasveol(ah))
+                if (ath5k_hw_hasveol(ah)) {
+                        spin_lock(&sc->block);
                         ath5k_beacon_send(sc);
+                        spin_unlock(&sc->block);
+                }
         }
         /* TODO else AP */
 
@@ -2403,7 +2407,9 @@ ath5k_intr(int irq, void *dev_id)
                                                   TSF_TO_TU(tsf),
                                                   (unsigned long long) tsf);
                                 } else {
+                                        spin_lock(&sc->block);
                                         ath5k_beacon_send(sc);
+                                        spin_unlock(&sc->block);
                                 }
                         }
                         if (status & AR5K_INT_RXEOL) {
@@ -2745,6 +2751,11 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
                 ret = -EOPNOTSUPP;
                 goto end;
         }
+
+        /* Set to a reasonable value. Note that this will
+         * be set to mac80211's value at ath5k_config(). */
+        sc->bintval = 1000;
+
         ret = 0;
 end:
         mutex_unlock(&sc->lock);
@@ -2789,9 +2800,6 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
         struct ath5k_hw *ah = sc->ah;
         int ret;
 
-        /* Set to a reasonable value. Note that this will
-         * be set to mac80211's value at ath5k_config(). */
-        sc->bintval = 1000;
         mutex_lock(&sc->lock);
         if (sc->vif != vif) {
                 ret = -EIO;
@@ -3050,6 +3058,7 @@ static int
 ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
         struct ath5k_softc *sc = hw->priv;
+        unsigned long flags;
         int ret;
 
         ath5k_debug_dump_skb(sc, skb, "BC  ", 1);
@@ -3059,12 +3068,14 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
                 goto end;
         }
 
+        spin_lock_irqsave(&sc->block, flags);
         ath5k_txbuf_free(sc, sc->bbuf);
         sc->bbuf->skb = skb;
         ret = ath5k_beacon_setup(sc, sc->bbuf);
         if (ret)
                 sc->bbuf->skb = NULL;
-        else {
+        spin_unlock_irqrestore(&sc->block, flags);
+        if (!ret) {
                 ath5k_beacon_config(sc);
                 mmiowb();
         }
diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h
index d7e03e6b8271..7ec2f377d5c7 100644
--- a/drivers/net/wireless/ath5k/base.h
+++ b/drivers/net/wireless/ath5k/base.h
@@ -172,6 +172,7 @@ struct ath5k_softc {
         struct tasklet_struct   txtq;           /* tx intr tasklet */
         struct ath5k_led        tx_led;         /* tx led */
 
+        spinlock_t              block;          /* protects beacon */
         struct ath5k_buf        *bbuf;          /* beacon buffer */
         unsigned int            bhalq,          /* SW q for outgoing beacons */
                                 bmisscount,     /* missed beacon transmits */
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index a17eb130f574..6dbfed0b4149 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -7285,15 +7285,15 @@ ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry,
                 }
                 break;
         case ATH9K_CIPHER_WEP:
-                if (k->kv_len < 40 / NBBY) {
+                if (k->kv_len < LEN_WEP40) {
                         DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
                                  "%s: WEP key length %u too small\n",
                                  __func__, k->kv_len);
                         return false;
                 }
-                if (k->kv_len <= 40 / NBBY)
+                if (k->kv_len <= LEN_WEP40)
                         keyType = AR_KEYTABLE_TYPE_40;
-                else if (k->kv_len <= 104 / NBBY)
+                else if (k->kv_len <= LEN_WEP104)
                         keyType = AR_KEYTABLE_TYPE_104;
                 else
                         keyType = AR_KEYTABLE_TYPE_128;
@@ -7313,7 +7313,7 @@ ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry,
         key2 = get_unaligned_le32(k->kv_val + 6) ^ xorMask;
         key3 = (get_unaligned_le16(k->kv_val + 10) ^ xorMask) & 0xffff;
         key4 = get_unaligned_le32(k->kv_val + 12) ^ xorMask;
-        if (k->kv_len <= 104 / NBBY)
+        if (k->kv_len <= LEN_WEP104)
                 key4 &= 0xff;
 
         if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 2888778040e4..95b337149484 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -206,7 +206,8 @@ static int ath_key_config(struct ath_softc *sc,
         if (!ret)
                 return -EIO;
 
-        sc->sc_keytype = hk.kv_type;
+        if (mac)
+                sc->sc_keytype = hk.kv_type;
         return 0;
 }
 
@@ -756,7 +757,8 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
                         key->hw_key_idx = key->keyidx;
                         /* push IV and Michael MIC generation to stack */
                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-                        key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+                        if (key->alg == ALG_TKIP)
+                                key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
                 }
                 break;
         case DISABLE_KEY:
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 2fe806175c01..20ddb7acdb94 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -360,8 +360,9 @@ static void ath_rx_flush_tid(struct ath_softc *sc,
         struct ath_arx_tid *rxtid, int drop)
 {
         struct ath_rxbuf *rxbuf;
+        unsigned long flag;
 
-        spin_lock_bh(&rxtid->tidlock);
+        spin_lock_irqsave(&rxtid->tidlock, flag);
         while (rxtid->baw_head != rxtid->baw_tail) {
                 rxbuf = rxtid->rxbuf + rxtid->baw_head;
                 if (!rxbuf->rx_wbuf) {
@@ -382,7 +383,7 @@ static void ath_rx_flush_tid(struct ath_softc *sc,
                 INCR(rxtid->baw_head, ATH_TID_MAX_BUFS);
                 INCR(rxtid->seq_next, IEEE80211_SEQ_MAX);
         }
-        spin_unlock_bh(&rxtid->tidlock);
+        spin_unlock_irqrestore(&rxtid->tidlock, flag);
 }
 
 static struct sk_buff *ath_rxbuf_alloc(struct ath_softc *sc,
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index bd35bb0a1480..bd65c485098c 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1304,7 +1304,7 @@ EXPORT_SYMBOL(atmel_open);
 int atmel_open(struct net_device *dev)
 {
         struct atmel_private *priv = netdev_priv(dev);
-        int i, channel;
+        int i, channel, err;
 
         /* any scheduled timer is no longer needed and might screw things up.. */
         del_timer_sync(&priv->management_timer);
@@ -1328,8 +1328,9 @@ int atmel_open(struct net_device *dev)
         priv->site_survey_state = SITE_SURVEY_IDLE;
         priv->station_is_associated = 0;
 
-        if (!reset_atmel_card(dev))
-                return -EAGAIN;
+        err = reset_atmel_card(dev);
+        if (err)
+                return err;
 
         if (priv->config_reg_domain) {
                 priv->reg_domain = priv->config_reg_domain;
@@ -3061,12 +3062,20 @@ static void authenticate(struct atmel_private *priv, u16 frame_len)
         }
 
         if (status == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) {
-                /* Do opensystem first, then try sharedkey */
+                /* Flip back and forth between WEP auth modes until the max
+                 * authentication tries has been exceeded.
+                 */
                 if (system == WLAN_AUTH_OPEN) {
                         priv->CurrentAuthentTransactionSeqNum = 0x001;
                         priv->exclude_unencrypted = 1;
                         send_authentication_request(priv, WLAN_AUTH_SHARED_KEY, NULL, 0);
                         return;
+                } else if (   system == WLAN_AUTH_SHARED_KEY
+                           && priv->wep_is_on) {
+                        priv->CurrentAuthentTransactionSeqNum = 0x001;
+                        priv->exclude_unencrypted = 0;
+                        send_authentication_request(priv, WLAN_AUTH_OPEN, NULL, 0);
+                        return;
                 } else if (priv->connect_to_any_BSS) {
                         int bss_index;
 
@@ -3580,12 +3589,12 @@ static int atmel_wakeup_firmware(struct atmel_private *priv)
 
         if (i == 0) {
                 printk(KERN_ALERT "%s: MAC failed to boot.\n", priv->dev->name);
-                return 0;
+                return -EIO;
         }
 
         if ((priv->host_info_base = atmel_read16(priv->dev, MR2)) == 0xffff) {
                 printk(KERN_ALERT "%s: card missing.\n", priv->dev->name);
-                return 0;
+                return -ENODEV;
         }
 
         /* now check for completion of MAC initialization through
@@ -3609,19 +3618,19 @@ static int atmel_wakeup_firmware(struct atmel_private *priv)
         if (i == 0) {
                 printk(KERN_ALERT "%s: MAC failed to initialise.\n",
                                 priv->dev->name);
-                return 0;
+                return -EIO;
         }
 
         /* Check for MAC_INIT_OK only on the register that the MAC_INIT_OK was set */
         if ((mr3 & MAC_INIT_COMPLETE) &&
             !(atmel_read16(priv->dev, MR3) & MAC_INIT_OK)) {
                 printk(KERN_ALERT "%s: MAC failed MR3 self-test.\n", priv->dev->name);
-                return 0;
+                return -EIO;
         }
         if ((mr1 & MAC_INIT_COMPLETE) &&
             !(atmel_read16(priv->dev, MR1) & MAC_INIT_OK)) {
                 printk(KERN_ALERT "%s: MAC failed MR1 self-test.\n", priv->dev->name);
-                return 0;
+                return -EIO;
         }
 
         atmel_copy_to_host(priv->dev, (unsigned char *)iface,
@@ -3642,7 +3651,7 @@ static int atmel_wakeup_firmware(struct atmel_private *priv)
         iface->func_ctrl = le16_to_cpu(iface->func_ctrl);
         iface->mac_status = le16_to_cpu(iface->mac_status);
 
-        return 1;
+        return 0;
 }
 
 /* determine type of memory and MAC address */
@@ -3693,7 +3702,7 @@ static int probe_atmel_card(struct net_device *dev)
                 /* Standard firmware in flash, boot it up and ask
                    for the Mac Address */
                 priv->card_type = CARD_TYPE_SPI_FLASH;
-                if (atmel_wakeup_firmware(priv)) {
+                if (atmel_wakeup_firmware(priv) == 0) {
                         atmel_get_mib(priv, Mac_Address_Mib_Type, 0, dev->dev_addr, 6);
 
                         /* got address, now squash it again until the network
@@ -3835,6 +3844,7 @@ static int reset_atmel_card(struct net_device *dev)
         struct atmel_private *priv = netdev_priv(dev);
         u8 configuration;
         int old_state = priv->station_state;
+        int err = 0;
 
         /* data to add to the firmware names, in priority order
            this implemenents firmware versioning */
@@ -3868,11 +3878,12 @@ static int reset_atmel_card(struct net_device *dev)
                                                dev->name);
                                         strcpy(priv->firmware_id, "atmel_at76c502.bin");
                                 }
-                                if (request_firmware(&fw_entry, priv->firmware_id, priv->sys_dev) != 0) {
+                                err = request_firmware(&fw_entry, priv->firmware_id, priv->sys_dev);
+                                if (err != 0) {
                                         printk(KERN_ALERT
                                                "%s: firmware %s is missing, cannot continue.\n",
                                                dev->name, priv->firmware_id);
-                                        return 0;
+                                        return err;
                                 }
                         } else {
                                 int fw_index = 0;
@@ -3901,7 +3912,7 @@ static int reset_atmel_card(struct net_device *dev)
                                                "%s: firmware %s is missing, cannot start.\n",
                                                dev->name, priv->firmware_id);
                                         priv->firmware_id[0] = '\0';
-                                        return 0;
+                                        return -ENOENT;
                                 }
                         }
 
@@ -3926,8 +3937,9 @@ static int reset_atmel_card(struct net_device *dev)
                         release_firmware(fw_entry);
         }
 
-        if (!atmel_wakeup_firmware(priv))
-                return 0;
+        err = atmel_wakeup_firmware(priv);
+        if (err != 0)
+                return err;
 
         /* Check the version and set the correct flag for wpa stuff,
            old and new firmware is incompatible.
@@ -3968,10 +3980,9 @@ static int reset_atmel_card(struct net_device *dev)
         if (!priv->radio_on_broken) {
                 if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) ==
                     CMD_STATUS_REJECTED_RADIO_OFF) {
-                        printk(KERN_INFO
-                               "%s: cannot turn the radio on. (Hey radio, you're beautiful!)\n",
+                        printk(KERN_INFO "%s: cannot turn the radio on.\n",
                                dev->name);
-                        return 0;
+                        return -EIO;
                 }
         }
 
@@ -4006,7 +4017,7 @@ static int reset_atmel_card(struct net_device *dev)
                 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
         }
 
-        return 1;
+        return 0;
 }
 
 static void atmel_send_command(struct atmel_private *priv, int command,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index e2581229d8b2..23fed3298962 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -474,8 +474,8 @@ static void iwl4965_apm_stop(struct iwl_priv *priv)
         iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 
         udelay(10);
-
-        iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+        /* clear "init complete"  move adapter D0A* --> D0U state */
+        iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
         spin_unlock_irqrestore(&priv->lock, flags);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index cbc01a00eaf4..b08036a9d894 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -145,7 +145,8 @@ static void iwl5000_apm_stop(struct iwl_priv *priv)
 
         udelay(10);
 
-        iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+        /* clear "init complete"  move adapter D0A* --> D0U state */
+        iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
         spin_unlock_irqrestore(&priv->lock, flags);
 }
@@ -577,14 +578,11 @@ static int iwl5000_load_section(struct iwl_priv *priv,
                 FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
                 phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
 
-        /* FIME: write the MSB of the phy_addr in CTRL1
-         * iwl_write_direct32(priv,
-                IWL_FH_TFDIB_CTRL1_REG(IWL_FH_SRVC_CHNL),
-                ((phy_addr & MSB_MSK)
-                        << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_count);
-         */
         iwl_write_direct32(priv,
-                FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), byte_cnt);
+                FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
+                (iwl_get_dma_hi_address(phy_addr)
+                        << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
+
         iwl_write_direct32(priv,
                 FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
                 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 061ffba9c884..c0b73c4d6f44 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2602,6 +2602,7 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw)
 {
         struct iwl_priv *priv = hw->priv;
         int ret;
+        u16 pci_cmd;
 
         IWL_DEBUG_MAC80211("enter\n");
 
@@ -2612,6 +2613,13 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw)
         pci_restore_state(priv->pci_dev);
         pci_enable_msi(priv->pci_dev);
 
+        /* enable interrupts if needed: hw bug w/a */
+        pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
+        if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
+                pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
+                pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd);
+        }
+
         ret = request_irq(priv->pci_dev->irq, iwl4965_isr, IRQF_SHARED,
                           DRV_NAME, priv);
         if (ret) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h
index 944642450d3d..cd11c0ca2991 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fh.h
@@ -287,6 +287,7 @@
 
 #define FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE       (0x01000000)
 
+#define FH_MEM_TFDIB_REG1_ADDR_BITSHIFT 28
 
 /**
  * Transmit DMA Channel Control/Status Registers (TCSR)
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index d82823b5c8ab..ff879d46624a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -426,7 +426,7 @@ static int iwl_tx_queue_init(struct iwl_priv *priv,
                                 continue;
                 }
 
-                txq->cmd[i] = kmalloc(len, GFP_KERNEL | GFP_DMA);
+                txq->cmd[i] = kmalloc(len, GFP_KERNEL);
                 if (!txq->cmd[i])
                         return -ENOMEM;
         }
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 04d7a251e3f0..8941919001bb 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -595,7 +595,7 @@ static int if_cs_prog_helper(struct if_cs_card *card)
                 if (ret < 0) {
                         lbs_pr_err("can't download helper at 0x%x, ret %d\n",
                                 sent, ret);
-                        goto done;
+                        goto err_release;
                 }
 
                 if (count == 0)
@@ -604,9 +604,8 @@ static int if_cs_prog_helper(struct if_cs_card *card)
                 sent += count;
         }
 
+err_release:
         release_firmware(fw);
-        ret = 0;
-
 done:
         lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
         return ret;
@@ -676,14 +675,8 @@ static int if_cs_prog_real(struct if_cs_card *card)
         }
 
         ret = if_cs_poll_while_fw_download(card, IF_CS_SCRATCH, 0x5a);
-        if (ret < 0) {
+        if (ret < 0)
                 lbs_pr_err("firmware download failed\n");
-                goto err_release;
-        }
-
-        ret = 0;
-        goto done;
-
 
 err_release:
         release_firmware(fw);
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 1ebcafe7ca5f..36c004e15602 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -1970,6 +1970,9 @@ __orinoco_set_multicast_list(struct net_device *dev)
                         priv->promiscuous = promisc;
         }
 
+        /* If we're not in promiscuous mode, then we need to set the
+         * group address if either we want to multicast, or if we were
+         * multicasting and want to stop */
         if (! promisc && (mc_count || priv->mc_count) ) {
                 struct dev_mc_list *p = dev->mc_list;
                 struct hermes_multicast mclist;
@@ -1989,9 +1992,10 @@ __orinoco_set_multicast_list(struct net_device *dev)
                         printk(KERN_WARNING "%s: Multicast list is "
                                "longer than mc_count\n", dev->name);
 
-                err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFGROUPADDRESSES,
-                                       HERMES_BYTES_TO_RECLEN(priv->mc_count * ETH_ALEN),
-                                       &mclist);
+                err = hermes_write_ltv(hw, USER_BAP,
+                                   HERMES_RID_CNFGROUPADDRESSES,
+                                   HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN),
+                                   &mclist);
                 if (err)
                         printk(KERN_ERR "%s: Error %d setting multicast list.\n",
                                dev->name, err);
diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
index 7e88ce5651b9..2ea7866abd5d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00reg.h
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -136,7 +136,7 @@ struct rt2x00_field32 {
  */
 #define is_power_of_two(x)      ( !((x) & ((x)-1)) )
 #define low_bit_mask(x)         ( ((x)-1) & ~(x) )
-#define is_valid_mask(x)        is_power_of_two(1 + (x) + low_bit_mask(x))
+#define is_valid_mask(x)        is_power_of_two(1LU + (x) + low_bit_mask(x))
 
 /*
  * Macro's to find first set bit in a variable.
@@ -173,8 +173,7 @@ struct rt2x00_field32 {
  * does not exceed the given typelimit.
  */
 #define FIELD_CHECK(__mask, __type)                     \
-        BUILD_BUG_ON(!__builtin_constant_p(__mask) ||   \
-                     !(__mask) ||                       \
+        BUILD_BUG_ON(!(__mask) ||                       \
                      !is_valid_mask(__mask) ||          \
                      (__mask) != (__type)(__mask))      \