b43: LP-PHY: Remove BROKEN from B43_PHY_LP
[pandora-kernel.git] / drivers / net / wireless / b43 / main.c
index 79b685e..c5bece0 100644 (file)
@@ -80,8 +80,8 @@ static int modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
-int b43_modparam_qos = 1;
-module_param_named(qos, b43_modparam_qos, int, 0444);
+static int modparam_qos = 1;
+module_param_named(qos, modparam_qos, int, 0444);
 MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
 
 static int modparam_btcoex = 1;
@@ -395,9 +395,8 @@ u32 __b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset)
                        /* Unaligned access */
                        b43_shm_control_word(dev, routing, offset >> 2);
                        ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
-                       ret <<= 16;
                        b43_shm_control_word(dev, routing, (offset >> 2) + 1);
-                       ret |= b43_read16(dev, B43_MMIO_SHM_DATA);
+                       ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16;
 
                        goto out;
                }
@@ -464,9 +463,10 @@ void __b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value
                        /* Unaligned access */
                        b43_shm_control_word(dev, routing, offset >> 2);
                        b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED,
-                                   (value >> 16) & 0xffff);
+                                   value & 0xFFFF);
                        b43_shm_control_word(dev, routing, (offset >> 2) + 1);
-                       b43_write16(dev, B43_MMIO_SHM_DATA, value & 0xffff);
+                       b43_write16(dev, B43_MMIO_SHM_DATA,
+                                   (value >> 16) & 0xFFFF);
                        return;
                }
                offset >>= 2;
@@ -538,6 +538,13 @@ void b43_hf_write(struct b43_wldev *dev, u64 value)
        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi);
 }
 
+/* Read the firmware capabilities bitmask (Opensource firmware only) */
+static u16 b43_fwcapa_read(struct b43_wldev *dev)
+{
+       B43_WARN_ON(!dev->fw.opensource);
+       return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA);
+}
+
 void b43_tsf_read(struct b43_wldev *dev, u64 *tsf)
 {
        u32 low, high;
@@ -673,32 +680,6 @@ static void b43_short_slot_timing_disable(struct b43_wldev *dev)
        b43_set_slot_time(dev, 20);
 }
 
-/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43_interrupt_enable(struct b43_wldev *dev, u32 mask)
-{
-       u32 old_mask;
-
-       old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
-       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask | mask);
-
-       return old_mask;
-}
-
-/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43_interrupt_disable(struct b43_wldev *dev, u32 mask)
-{
-       u32 old_mask;
-
-       old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
-       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
-
-       return old_mask;
-}
-
 /* Synchronize IRQ top- and bottom-half.
  * IRQs must be masked before calling this.
  * This must not be called with the irq_lock held.
@@ -710,9 +691,9 @@ static void b43_synchronize_irq(struct b43_wldev *dev)
 }
 
 /* DummyTransmission function, as documented on
- * http://bcm-specs.sipsolutions.net/DummyTransmission
+ * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission
  */
-void b43_dummy_transmission(struct b43_wldev *dev)
+void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on)
 {
        struct b43_wl *wl = dev->wl;
        struct b43_phy *phy = &dev->phy;
@@ -726,19 +707,12 @@ void b43_dummy_transmission(struct b43_wldev *dev)
                0x00000000,
        };
 
-       switch (phy->type) {
-       case B43_PHYTYPE_A:
+       if (ofdm) {
                max_loop = 0x1E;
                buffer[0] = 0x000201CC;
-               break;
-       case B43_PHYTYPE_B:
-       case B43_PHYTYPE_G:
+       } else {
                max_loop = 0xFA;
                buffer[0] = 0x000B846E;
-               break;
-       default:
-               B43_WARN_ON(1);
-               return;
        }
 
        spin_lock_irq(&wl->irq_lock);
@@ -747,20 +721,35 @@ void b43_dummy_transmission(struct b43_wldev *dev)
        for (i = 0; i < 5; i++)
                b43_ram_write(dev, i * 4, buffer[i]);
 
-       /* Commit writes */
-       b43_read32(dev, B43_MMIO_MACCTL);
-
        b43_write16(dev, 0x0568, 0x0000);
-       b43_write16(dev, 0x07C0, 0x0000);
-       value = ((phy->type == B43_PHYTYPE_A) ? 1 : 0);
+       if (dev->dev->id.revision < 11)
+               b43_write16(dev, 0x07C0, 0x0000);
+       else
+               b43_write16(dev, 0x07C0, 0x0100);
+       value = (ofdm ? 0x41 : 0x40);
        b43_write16(dev, 0x050C, value);
+       if ((phy->type == B43_PHYTYPE_N) || (phy->type == B43_PHYTYPE_LP))
+               b43_write16(dev, 0x0514, 0x1A02);
        b43_write16(dev, 0x0508, 0x0000);
        b43_write16(dev, 0x050A, 0x0000);
        b43_write16(dev, 0x054C, 0x0000);
        b43_write16(dev, 0x056A, 0x0014);
        b43_write16(dev, 0x0568, 0x0826);
        b43_write16(dev, 0x0500, 0x0000);
-       b43_write16(dev, 0x0502, 0x0030);
+       if (!pa_on && (phy->type == B43_PHYTYPE_N)) {
+               //SPEC TODO
+       }
+
+       switch (phy->type) {
+       case B43_PHYTYPE_N:
+               b43_write16(dev, 0x0502, 0x00D0);
+               break;
+       case B43_PHYTYPE_LP:
+               b43_write16(dev, 0x0502, 0x0050);
+               break;
+       default:
+               b43_write16(dev, 0x0502, 0x0030);
+       }
 
        if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
                b43_radio_write16(dev, 0x0051, 0x0017);
@@ -815,18 +804,19 @@ static void key_write(struct b43_wldev *dev,
 static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr)
 {
        u32 addrtmp[2] = { 0, 0, };
-       u8 per_sta_keys_start = 8;
+       u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
 
        if (b43_new_kidx_api(dev))
-               per_sta_keys_start = 4;
+               pairwise_keys_start = B43_NR_GROUP_KEYS;
 
-       B43_WARN_ON(index < per_sta_keys_start);
-       /* We have two default TX keys and possibly two default RX keys.
+       B43_WARN_ON(index < pairwise_keys_start);
+       /* We have four default TX keys and possibly four default RX keys.
         * Physical mac 0 is mapped to physical key 4 or 8, depending
         * on the firmware version.
         * So we must adjust the index here.
         */
-       index -= per_sta_keys_start;
+       index -= pairwise_keys_start;
+       B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
 
        if (addr) {
                addrtmp[0] = addr[0];
@@ -837,27 +827,11 @@ static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr)
                addrtmp[1] |= ((u32) (addr[5]) << 8);
        }
 
-       if (dev->dev->id.revision >= 5) {
-               /* Receive match transmitter address mechanism */
-               b43_shm_write32(dev, B43_SHM_RCMTA,
-                               (index * 2) + 0, addrtmp[0]);
-               b43_shm_write16(dev, B43_SHM_RCMTA,
-                               (index * 2) + 1, addrtmp[1]);
-       } else {
-               /* RXE (Receive Engine) and
-                * PSM (Programmable State Machine) mechanism
-                */
-               if (index < 8) {
-                       /* TODO write to RCM 16, 19, 22 and 25 */
-               } else {
-                       b43_shm_write32(dev, B43_SHM_SHARED,
-                                       B43_SHM_SH_PSM + (index * 6) + 0,
-                                       addrtmp[0]);
-                       b43_shm_write16(dev, B43_SHM_SHARED,
-                                       B43_SHM_SH_PSM + (index * 6) + 4,
-                                       addrtmp[1]);
-               }
-       }
+       /* Receive match transmitter address (RCMTA) mechanism */
+       b43_shm_write32(dev, B43_SHM_RCMTA,
+                       (index * 2) + 0, addrtmp[0]);
+       b43_shm_write16(dev, B43_SHM_RCMTA,
+                       (index * 2) + 1, addrtmp[1]);
 }
 
 static void do_key_write(struct b43_wldev *dev,
@@ -865,20 +839,20 @@ static void do_key_write(struct b43_wldev *dev,
                         const u8 *key, size_t key_len, const u8 *mac_addr)
 {
        u8 buf[B43_SEC_KEYSIZE] = { 0, };
-       u8 per_sta_keys_start = 8;
+       u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
 
        if (b43_new_kidx_api(dev))
-               per_sta_keys_start = 4;
+               pairwise_keys_start = B43_NR_GROUP_KEYS;
 
-       B43_WARN_ON(index >= dev->max_nr_keys);
+       B43_WARN_ON(index >= ARRAY_SIZE(dev->key));
        B43_WARN_ON(key_len > B43_SEC_KEYSIZE);
 
-       if (index >= per_sta_keys_start)
+       if (index >= pairwise_keys_start)
                keymac_write(dev, index, NULL); /* First zero out mac. */
        if (key)
                memcpy(buf, key, key_len);
        key_write(dev, index, algorithm, buf);
-       if (index >= per_sta_keys_start)
+       if (index >= pairwise_keys_start)
                keymac_write(dev, index, mac_addr);
 
        dev->key[index].algorithm = algorithm;
@@ -891,21 +865,24 @@ static int b43_key_write(struct b43_wldev *dev,
                         struct ieee80211_key_conf *keyconf)
 {
        int i;
-       int sta_keys_start;
+       int pairwise_keys_start;
 
        if (key_len > B43_SEC_KEYSIZE)
                return -EINVAL;
-       for (i = 0; i < dev->max_nr_keys; i++) {
+       for (i = 0; i < ARRAY_SIZE(dev->key); i++) {
                /* Check that we don't already have this key. */
                B43_WARN_ON(dev->key[i].keyconf == keyconf);
        }
        if (index < 0) {
                /* Pairwise key. Get an empty slot for the key. */
                if (b43_new_kidx_api(dev))
-                       sta_keys_start = 4;
+                       pairwise_keys_start = B43_NR_GROUP_KEYS;
                else
-                       sta_keys_start = 8;
-               for (i = sta_keys_start; i < dev->max_nr_keys; i++) {
+                       pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
+               for (i = pairwise_keys_start;
+                    i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS;
+                    i++) {
+                       B43_WARN_ON(i >= ARRAY_SIZE(dev->key));
                        if (!dev->key[i].keyconf) {
                                /* found empty */
                                index = i;
@@ -933,7 +910,7 @@ static int b43_key_write(struct b43_wldev *dev,
 
 static int b43_key_clear(struct b43_wldev *dev, int index)
 {
-       if (B43_WARN_ON((index < 0) || (index >= dev->max_nr_keys)))
+       if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key))))
                return -EINVAL;
        do_key_write(dev, index, B43_SEC_ALGO_NONE,
                     NULL, B43_SEC_KEYSIZE, NULL);
@@ -948,16 +925,19 @@ static int b43_key_clear(struct b43_wldev *dev, int index)
 
 static void b43_clear_keys(struct b43_wldev *dev)
 {
-       int i;
+       int i, count;
 
-       for (i = 0; i < dev->max_nr_keys; i++)
+       if (b43_new_kidx_api(dev))
+               count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
+       else
+               count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
+       for (i = 0; i < count; i++)
                b43_key_clear(dev, i);
 }
 
 static void b43_dump_keymemory(struct b43_wldev *dev)
 {
-       unsigned int i, index, offset;
-       DECLARE_MAC_BUF(macbuf);
+       unsigned int i, index, count, offset, pairwise_keys_start;
        u8 mac[ETH_ALEN];
        u16 algo;
        u32 rcmta0;
@@ -971,7 +951,14 @@ static void b43_dump_keymemory(struct b43_wldev *dev)
        hf = b43_hf_read(dev);
        b43dbg(dev->wl, "Hardware key memory dump:  USEDEFKEYS=%u\n",
               !!(hf & B43_HF_USEDEFKEYS));
-       for (index = 0; index < dev->max_nr_keys; index++) {
+       if (b43_new_kidx_api(dev)) {
+               pairwise_keys_start = B43_NR_GROUP_KEYS;
+               count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
+       } else {
+               pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
+               count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
+       }
+       for (index = 0; index < count; index++) {
                key = &(dev->key[index]);
                printk(KERN_DEBUG "Key slot %02u: %s",
                       index, (key->keyconf == NULL) ? " " : "*");
@@ -985,15 +972,14 @@ static void b43_dump_keymemory(struct b43_wldev *dev)
                                      B43_SHM_SH_KEYIDXBLOCK + (index * 2));
                printk("   Algo: %04X/%02X", algo, key->algorithm);
 
-               if (index >= 4) {
+               if (index >= pairwise_keys_start) {
                        rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA,
-                                               ((index - 4) * 2) + 0);
+                                               ((index - pairwise_keys_start) * 2) + 0);
                        rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA,
-                                               ((index - 4) * 2) + 1);
+                                               ((index - pairwise_keys_start) * 2) + 1);
                        *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0);
                        *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1);
-                       printk("   MAC: %s",
-                              print_mac(macbuf, mac));
+                       printk("   MAC: %pM", mac);
                } else
                        printk("   DEFAULT KEY");
                printk("\n");
@@ -1450,113 +1436,6 @@ static void b43_write_beacon_template(struct b43_wldev *dev,
        b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset);
 }
 
-static void b43_write_probe_resp_plcp(struct b43_wldev *dev,
-                                     u16 shm_offset, u16 size,
-                                     struct ieee80211_rate *rate)
-{
-       struct b43_plcp_hdr4 plcp;
-       u32 tmp;
-       __le16 dur;
-
-       plcp.data = 0;
-       b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value);
-       dur = ieee80211_generic_frame_duration(dev->wl->hw,
-                                              dev->wl->vif, size,
-                                              rate);
-       /* Write PLCP in two parts and timing for packet transfer */
-       tmp = le32_to_cpu(plcp.data);
-       b43_shm_write16(dev, B43_SHM_SHARED, shm_offset, tmp & 0xFFFF);
-       b43_shm_write16(dev, B43_SHM_SHARED, shm_offset + 2, tmp >> 16);
-       b43_shm_write16(dev, B43_SHM_SHARED, shm_offset + 6, le16_to_cpu(dur));
-}
-
-/* Instead of using custom probe response template, this function
- * just patches custom beacon template by:
- * 1) Changing packet type
- * 2) Patching duration field
- * 3) Stripping TIM
- */
-static const u8 *b43_generate_probe_resp(struct b43_wldev *dev,
-                                        u16 *dest_size,
-                                        struct ieee80211_rate *rate)
-{
-       const u8 *src_data;
-       u8 *dest_data;
-       u16 src_size, elem_size, src_pos, dest_pos;
-       __le16 dur;
-       struct ieee80211_hdr *hdr;
-       size_t ie_start;
-
-       src_size = dev->wl->current_beacon->len;
-       src_data = (const u8 *)dev->wl->current_beacon->data;
-
-       /* Get the start offset of the variable IEs in the packet. */
-       ie_start = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
-       B43_WARN_ON(ie_start != offsetof(struct ieee80211_mgmt, u.beacon.variable));
-
-       if (B43_WARN_ON(src_size < ie_start))
-               return NULL;
-
-       dest_data = kmalloc(src_size, GFP_ATOMIC);
-       if (unlikely(!dest_data))
-               return NULL;
-
-       /* Copy the static data and all Information Elements, except the TIM. */
-       memcpy(dest_data, src_data, ie_start);
-       src_pos = ie_start;
-       dest_pos = ie_start;
-       for ( ; src_pos < src_size - 2; src_pos += elem_size) {
-               elem_size = src_data[src_pos + 1] + 2;
-               if (src_data[src_pos] == 5) {
-                       /* This is the TIM. */
-                       continue;
-               }
-               memcpy(dest_data + dest_pos, src_data + src_pos,
-                      elem_size);
-               dest_pos += elem_size;
-       }
-       *dest_size = dest_pos;
-       hdr = (struct ieee80211_hdr *)dest_data;
-
-       /* Set the frame control. */
-       hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
-                                        IEEE80211_STYPE_PROBE_RESP);
-       dur = ieee80211_generic_frame_duration(dev->wl->hw,
-                                              dev->wl->vif, *dest_size,
-                                              rate);
-       hdr->duration_id = dur;
-
-       return dest_data;
-}
-
-static void b43_write_probe_resp_template(struct b43_wldev *dev,
-                                         u16 ram_offset,
-                                         u16 shm_size_offset,
-                                         struct ieee80211_rate *rate)
-{
-       const u8 *probe_resp_data;
-       u16 size;
-
-       size = dev->wl->current_beacon->len;
-       probe_resp_data = b43_generate_probe_resp(dev, &size, rate);
-       if (unlikely(!probe_resp_data))
-               return;
-
-       /* Looks like PLCP headers plus packet timings are stored for
-        * all possible basic rates
-        */
-       b43_write_probe_resp_plcp(dev, 0x31A, size, &b43_b_ratetable[0]);
-       b43_write_probe_resp_plcp(dev, 0x32C, size, &b43_b_ratetable[1]);
-       b43_write_probe_resp_plcp(dev, 0x33E, size, &b43_b_ratetable[2]);
-       b43_write_probe_resp_plcp(dev, 0x350, size, &b43_b_ratetable[3]);
-
-       size = min((size_t) size, 0x200 - sizeof(struct b43_plcp_hdr6));
-       b43_write_template_common(dev, probe_resp_data,
-                                 size, ram_offset, shm_size_offset,
-                                 rate->hw_value);
-       kfree(probe_resp_data);
-}
-
 static void b43_upload_beacon0(struct b43_wldev *dev)
 {
        struct b43_wl *wl = dev->wl;
@@ -1564,10 +1443,6 @@ static void b43_upload_beacon0(struct b43_wldev *dev)
        if (wl->beacon0_uploaded)
                return;
        b43_write_beacon_template(dev, 0x68, 0x18);
-       /* FIXME: Probe resp upload doesn't really belong here,
-        *        but we don't use that feature anyway. */
-       b43_write_probe_resp_template(dev, 0x268, 0x4A,
-                                     &__b43_ratetable[3]);
        wl->beacon0_uploaded = 1;
 }
 
@@ -1593,7 +1468,7 @@ static void handle_irq_beacon(struct b43_wldev *dev)
        /* This is the bottom half of the asynchronous beacon update. */
 
        /* Ignore interrupt in the future. */
-       dev->irq_savedstate &= ~B43_IRQ_BEACON;
+       dev->irq_mask &= ~B43_IRQ_BEACON;
 
        cmd = b43_read32(dev, B43_MMIO_MACCMD);
        beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID);
@@ -1602,7 +1477,7 @@ static void handle_irq_beacon(struct b43_wldev *dev)
        /* Schedule interrupt manually, if busy. */
        if (beacon0_valid && beacon1_valid) {
                b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON);
-               dev->irq_savedstate |= B43_IRQ_BEACON;
+               dev->irq_mask |= B43_IRQ_BEACON;
                return;
        }
 
@@ -1641,11 +1516,9 @@ static void b43_beacon_update_trigger_work(struct work_struct *work)
        if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
                spin_lock_irq(&wl->irq_lock);
                /* update beacon right away or defer to irq */
-               dev->irq_savedstate = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
                handle_irq_beacon(dev);
                /* The handler might have updated the IRQ mask. */
-               b43_write32(dev, B43_MMIO_GEN_IRQ_MASK,
-                           dev->irq_savedstate);
+               b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
                mmiowb();
                spin_unlock_irq(&wl->irq_lock);
        }
@@ -1677,7 +1550,7 @@ static void b43_update_templates(struct b43_wl *wl)
        wl->current_beacon = beacon;
        wl->beacon0_uploaded = 0;
        wl->beacon1_uploaded = 0;
-       queue_work(wl->hw->workqueue, &wl->beacon_update_trigger);
+       ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger);
 }
 
 static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int)
@@ -1879,7 +1752,7 @@ static void b43_interrupt_tasklet(struct b43_wldev *dev)
        if (reason & B43_IRQ_TX_OK)
                handle_irq_transmit_status(dev);
 
-       b43_interrupt_enable(dev, dev->irq_savedstate);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
        mmiowb();
        spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
 }
@@ -1893,7 +1766,9 @@ static void b43_interrupt_ack(struct b43_wldev *dev, u32 reason)
        b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]);
        b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]);
        b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]);
+/* Unused ring
        b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]);
+*/
 }
 
 /* Interrupt handler top-half */
@@ -1903,18 +1778,19 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
        struct b43_wldev *dev = dev_id;
        u32 reason;
 
-       if (!dev)
-               return IRQ_NONE;
+       B43_WARN_ON(!dev);
 
        spin_lock(&dev->wl->irq_lock);
 
-       if (b43_status(dev) < B43_STAT_STARTED)
+       if (unlikely(b43_status(dev) < B43_STAT_STARTED)) {
+               /* This can only happen on shared IRQ lines. */
                goto out;
+       }
        reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
        if (reason == 0xffffffff)       /* shared IRQ */
                goto out;
        ret = IRQ_HANDLED;
-       reason &= b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
+       reason &= dev->irq_mask;
        if (!reason)
                goto out;
 
@@ -1928,16 +1804,18 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
            & 0x0001DC00;
        dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON)
            & 0x0000DC00;
+/* Unused ring
        dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON)
            & 0x0000DC00;
+*/
 
        b43_interrupt_ack(dev, reason);
        /* disable all IRQs. They are enabled again in the bottom half. */
-       dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
        /* save the reason code and call our bottom half. */
        dev->irq_reason = reason;
        tasklet_schedule(&dev->isr_tasklet);
-      out:
+out:
        mmiowb();
        spin_unlock(&dev->wl->irq_lock);
 
@@ -2077,8 +1955,12 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
                filename = "ucode5";
        else if ((rev >= 11) && (rev <= 12))
                filename = "ucode11";
-       else if (rev >= 13)
+       else if (rev == 13)
                filename = "ucode13";
+       else if (rev == 14)
+               filename = "ucode14";
+       else if (rev >= 15)
+               filename = "ucode15";
        else
                goto err_no_ucode;
        err = b43_do_request_fw(ctx, filename, &fw->ucode);
@@ -2126,6 +2008,16 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
                else
                        goto err_no_initvals;
                break;
+       case B43_PHYTYPE_LP:
+               if (rev == 13)
+                       filename = "lp0initvals13";
+               else if (rev == 14)
+                       filename = "lp0initvals14";
+               else if (rev >= 15)
+                       filename = "lp0initvals15";
+               else
+                       goto err_no_initvals;
+               break;
        default:
                goto err_no_initvals;
        }
@@ -2160,6 +2052,16 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
                else
                        goto err_no_initvals;
                break;
+       case B43_PHYTYPE_LP:
+               if (rev == 13)
+                       filename = "lp0bsinitvals13";
+               else if (rev == 14)
+                       filename = "lp0bsinitvals14";
+               else if (rev >= 15)
+                       filename = "lp0bsinitvals15";
+               else
+                       goto err_no_initvals;
+               break;
        default:
                goto err_no_initvals;
        }
@@ -2330,12 +2232,34 @@ static int b43_upload_microcode(struct b43_wldev *dev)
        dev->fw.patch = fwpatch;
        dev->fw.opensource = (fwdate == 0xFFFF);
 
+       /* Default to use-all-queues. */
+       dev->wl->hw->queues = dev->wl->mac80211_initially_registered_queues;
+       dev->qos_enabled = !!modparam_qos;
+       /* Default to firmware/hardware crypto acceleration. */
+       dev->hwcrypto_enabled = 1;
+
        if (dev->fw.opensource) {
+               u16 fwcapa;
+
                /* Patchlevel info is encoded in the "time" field. */
                dev->fw.patch = fwtime;
-               b43info(dev->wl, "Loading OpenSource firmware version %u.%u%s\n",
-                       dev->fw.rev, dev->fw.patch,
-                       dev->fw.pcm_request_failed ? " (Hardware crypto not supported)" : "");
+               b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n",
+                       dev->fw.rev, dev->fw.patch);
+
+               fwcapa = b43_fwcapa_read(dev);
+               if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) {
+                       b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n");
+                       /* Disable hardware crypto and fall back to software crypto. */
+                       dev->hwcrypto_enabled = 0;
+               }
+               if (!(fwcapa & B43_FWCAPA_QOS)) {
+                       b43info(dev->wl, "QoS not supported by firmware\n");
+                       /* Disable QoS. Tweak hw->queues to 1. It will be restored before
+                        * ieee80211_unregister to make sure the networking core can
+                        * properly free possible resources. */
+                       dev->wl->hw->queues = 1;
+                       dev->qos_enabled = 0;
+               }
        } else {
                b43info(dev->wl, "Loading firmware version %u.%u "
                        "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
@@ -2665,6 +2589,7 @@ static void b43_rate_memory_init(struct b43_wldev *dev)
        case B43_PHYTYPE_A:
        case B43_PHYTYPE_G:
        case B43_PHYTYPE_N:
+       case B43_PHYTYPE_LP:
                b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1);
                b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1);
                b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1);
@@ -2910,7 +2835,7 @@ out_requeue:
                delay = msecs_to_jiffies(50);
        else
                delay = round_jiffies_relative(HZ * 15);
-       queue_delayed_work(wl->hw->workqueue, &dev->periodic_work, delay);
+       ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay);
 out:
        mutex_unlock(&wl->mutex);
 }
@@ -2921,15 +2846,16 @@ static void b43_periodic_tasks_setup(struct b43_wldev *dev)
 
        dev->periodic_state = 0;
        INIT_DELAYED_WORK(work, b43_periodic_work_handler);
-       queue_delayed_work(dev->wl->hw->workqueue, work, 0);
+       ieee80211_queue_delayed_work(dev->wl->hw, work, 0);
 }
 
 /* Check if communication with the device works correctly. */
 static int b43_validate_chipaccess(struct b43_wldev *dev)
 {
-       u32 v, backup;
+       u32 v, backup0, backup4;
 
-       backup = b43_shm_read32(dev, B43_SHM_SHARED, 0);
+       backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0);
+       backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4);
 
        /* Check for read/write and endianness problems. */
        b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55);
@@ -2939,7 +2865,23 @@ static int b43_validate_chipaccess(struct b43_wldev *dev)
        if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA)
                goto error;
 
-       b43_shm_write32(dev, B43_SHM_SHARED, 0, backup);
+       /* Check if unaligned 32bit SHM_SHARED access works properly.
+        * However, don't bail out on failure, because it's noncritical. */
+       b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122);
+       b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344);
+       b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566);
+       b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788);
+       if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344)
+               b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n");
+       b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD);
+       if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 ||
+           b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD ||
+           b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB ||
+           b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788)
+               b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n");
+
+       b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0);
+       b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4);
 
        if ((dev->dev->id.revision >= 3) && (dev->dev->id.revision <= 10)) {
                /* The 32bit register shadows the two 16bit registers
@@ -2966,20 +2908,18 @@ error:
 
 static void b43_security_init(struct b43_wldev *dev)
 {
-       dev->max_nr_keys = (dev->dev->id.revision >= 5) ? 58 : 20;
-       B43_WARN_ON(dev->max_nr_keys > ARRAY_SIZE(dev->key));
        dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP);
        /* KTP is a word address, but we address SHM bytewise.
         * So multiply by two.
         */
        dev->ktp *= 2;
-       if (dev->dev->id.revision >= 5) {
-               /* Number of RCMTA address slots */
-               b43_write16(dev, B43_MMIO_RCMTA_COUNT, dev->max_nr_keys - 8);
-       }
+       /* Number of RCMTA address slots */
+       b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS);
+       /* Clear the key memory. */
        b43_clear_keys(dev);
 }
 
+#ifdef CONFIG_B43_HWRNG
 static int b43_rng_read(struct hwrng *rng, u32 *data)
 {
        struct b43_wl *wl = (struct b43_wl *)rng->priv;
@@ -2995,17 +2935,21 @@ static int b43_rng_read(struct hwrng *rng, u32 *data)
 
        return (sizeof(u16));
 }
+#endif /* CONFIG_B43_HWRNG */
 
 static void b43_rng_exit(struct b43_wl *wl)
 {
+#ifdef CONFIG_B43_HWRNG
        if (wl->rng_initialized)
                hwrng_unregister(&wl->rng);
+#endif /* CONFIG_B43_HWRNG */
 }
 
 static int b43_rng_init(struct b43_wl *wl)
 {
-       int err;
+       int err = 0;
 
+#ifdef CONFIG_B43_HWRNG
        snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
                 "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
        wl->rng.name = wl->rng_name;
@@ -3018,6 +2962,7 @@ static int b43_rng_init(struct b43_wl *wl)
                b43err(wl, "Failed to register the random "
                       "number generator (%d)\n", err);
        }
+#endif /* CONFIG_B43_HWRNG */
 
        return err;
 }
@@ -3485,14 +3430,9 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
        if (phy->ops->set_rx_antenna)
                phy->ops->set_rx_antenna(dev, antenna);
 
-       /* Update templates for AP/mesh mode. */
-       if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
-           b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
-               b43_set_beacon_int(dev, conf->beacon_int);
-
-       if (!!conf->radio_enabled != phy->radio_on) {
-               if (conf->radio_enabled) {
-                       b43_software_rfkill(dev, RFKILL_STATE_UNBLOCKED);
+       if (wl->radio_enabled != phy->radio_on) {
+               if (wl->radio_enabled) {
+                       b43_software_rfkill(dev, false);
                        b43info(dev->wl, "Radio turned on by software\n");
                        if (!dev->radio_hw_enable) {
                                b43info(dev->wl, "The hardware RF-kill button "
@@ -3500,7 +3440,7 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
                                        "Press the button to turn it on.\n");
                        }
                } else {
-                       b43_software_rfkill(dev, RFKILL_STATE_SOFT_BLOCKED);
+                       b43_software_rfkill(dev, true);
                        b43info(dev->wl, "Radio turned off by software\n");
                }
        }
@@ -3565,14 +3505,45 @@ static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
 {
        struct b43_wl *wl = hw_to_b43_wl(hw);
        struct b43_wldev *dev;
+       unsigned long flags;
 
        mutex_lock(&wl->mutex);
 
        dev = wl->current_dev;
        if (!dev || b43_status(dev) < B43_STAT_STARTED)
                goto out_unlock_mutex;
+
+       B43_WARN_ON(wl->vif != vif);
+
+       spin_lock_irqsave(&wl->irq_lock, flags);
+       if (changed & BSS_CHANGED_BSSID) {
+               if (conf->bssid)
+                       memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+               else
+                       memset(wl->bssid, 0, ETH_ALEN);
+       }
+
+       if (b43_status(dev) >= B43_STAT_INITIALIZED) {
+               if (changed & BSS_CHANGED_BEACON &&
+                   (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+                    b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
+                    b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+                       b43_update_templates(wl);
+
+               if (changed & BSS_CHANGED_BSSID)
+                       b43_write_mac_bssid_templates(dev);
+       }
+       spin_unlock_irqrestore(&wl->irq_lock, flags);
+
        b43_mac_suspend(dev);
 
+       /* Update templates for AP/mesh mode. */
+       if (changed & BSS_CHANGED_BEACON_INT &&
+           (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+            b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
+            b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+               b43_set_beacon_int(dev, conf->beacon_int);
+
        if (changed & BSS_CHANGED_BASIC_RATES)
                b43_update_basic_rates(dev, conf->basic_rates);
 
@@ -3586,8 +3557,6 @@ static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
        b43_mac_enable(dev);
 out_unlock_mutex:
        mutex_unlock(&wl->mutex);
-
-       return;
 }
 
 static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@@ -3620,7 +3589,7 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
        if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
                goto out_unlock;
 
-       if (dev->fw.pcm_request_failed) {
+       if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) {
                /* We don't have firmware for the crypto engine.
                 * Must use software-crypto. */
                err = -EOPNOTSUPP;
@@ -3630,7 +3599,7 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
        err = -EINVAL;
        switch (key->alg) {
        case ALG_WEP:
-               if (key->keylen == LEN_WEP40)
+               if (key->keylen == WLAN_KEY_LEN_WEP40)
                        algorithm = B43_SEC_ALGO_WEP40;
                else
                        algorithm = B43_SEC_ALGO_WEP104;
@@ -3745,41 +3714,6 @@ static void b43_op_configure_filter(struct ieee80211_hw *hw,
        spin_unlock_irqrestore(&wl->irq_lock, flags);
 }
 
-static int b43_op_config_interface(struct ieee80211_hw *hw,
-                                  struct ieee80211_vif *vif,
-                                  struct ieee80211_if_conf *conf)
-{
-       struct b43_wl *wl = hw_to_b43_wl(hw);
-       struct b43_wldev *dev = wl->current_dev;
-       unsigned long flags;
-
-       if (!dev)
-               return -ENODEV;
-       mutex_lock(&wl->mutex);
-       spin_lock_irqsave(&wl->irq_lock, flags);
-       B43_WARN_ON(wl->vif != vif);
-       if (conf->bssid)
-               memcpy(wl->bssid, conf->bssid, ETH_ALEN);
-       else
-               memset(wl->bssid, 0, ETH_ALEN);
-       if (b43_status(dev) >= B43_STAT_INITIALIZED) {
-               if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
-                   b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) {
-                       B43_WARN_ON(vif->type != wl->if_type);
-                       if (conf->changed & IEEE80211_IFCC_BEACON)
-                               b43_update_templates(wl);
-               } else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) {
-                       if (conf->changed & IEEE80211_IFCC_BEACON)
-                               b43_update_templates(wl);
-               }
-               b43_write_mac_bssid_templates(dev);
-       }
-       spin_unlock_irqrestore(&wl->irq_lock, flags);
-       mutex_unlock(&wl->mutex);
-
-       return 0;
-}
-
 /* Locking: wl->mutex */
 static void b43_wireless_core_stop(struct b43_wldev *dev)
 {
@@ -3793,7 +3727,7 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
         * setting the status to INITIALIZED, as the interrupt handler
         * won't care about IRQs then. */
        spin_lock_irqsave(&wl->irq_lock, flags);
-       dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
        b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* flush */
        spin_unlock_irqrestore(&wl->irq_lock, flags);
        b43_synchronize_irq(dev);
@@ -3834,7 +3768,7 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
 
        /* Start data flow (TX/RX). */
        b43_mac_enable(dev);
-       b43_interrupt_enable(dev, dev->irq_savedstate);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
 
        /* Start maintainance work */
        b43_periodic_tasks_setup(dev);
@@ -3884,7 +3818,7 @@ static int b43_phy_versioning(struct b43_wldev *dev)
 #endif
 #ifdef CONFIG_B43_PHY_LP
        case B43_PHYTYPE_LP:
-               if (phy_rev > 1)
+               if (phy_rev > 2)
                        unsupported = 1;
                break;
 #endif
@@ -3941,7 +3875,7 @@ static int b43_phy_versioning(struct b43_wldev *dev)
                        unsupported = 1;
                break;
        case B43_PHYTYPE_LP:
-               if (radio_ver != 0x2062)
+               if (radio_ver != 0x2062 && radio_ver != 0x2063)
                        unsupported = 1;
                break;
        default:
@@ -3997,9 +3931,9 @@ static void setup_struct_wldev_for_init(struct b43_wldev *dev)
        /* IRQ related flags */
        dev->irq_reason = 0;
        memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
-       dev->irq_savedstate = B43_IRQ_MASKTEMPLATE;
+       dev->irq_mask = B43_IRQ_MASKTEMPLATE;
        if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
-               dev->irq_savedstate &= ~B43_IRQ_PHY_TXERR;
+               dev->irq_mask &= ~B43_IRQ_PHY_TXERR;
 
        dev->mac_suspended = 1;
 
@@ -4326,7 +4260,6 @@ static int b43_op_start(struct ieee80211_hw *hw)
        struct b43_wldev *dev = wl->current_dev;
        int did_init = 0;
        int err = 0;
-       bool do_rfkill_exit = 0;
 
        /* Kill all old instance specific information to make sure
         * the card won't use it in the short timeframe between start
@@ -4339,19 +4272,14 @@ static int b43_op_start(struct ieee80211_hw *hw)
        wl->beacon0_uploaded = 0;
        wl->beacon1_uploaded = 0;
        wl->beacon_templates_virgin = 1;
-
-       /* First register RFkill.
-        * LEDs that are registered later depend on it. */
-       b43_rfkill_init(dev);
+       wl->radio_enabled = 1;
 
        mutex_lock(&wl->mutex);
 
        if (b43_status(dev) < B43_STAT_INITIALIZED) {
                err = b43_wireless_core_init(dev);
-               if (err) {
-                       do_rfkill_exit = 1;
+               if (err)
                        goto out_mutex_unlock;
-               }
                did_init = 1;
        }
 
@@ -4360,17 +4288,16 @@ static int b43_op_start(struct ieee80211_hw *hw)
                if (err) {
                        if (did_init)
                                b43_wireless_core_exit(dev);
-                       do_rfkill_exit = 1;
                        goto out_mutex_unlock;
                }
        }
 
+       /* XXX: only do if device doesn't support rfkill irq */
+       wiphy_rfkill_start_polling(hw->wiphy);
+
  out_mutex_unlock:
        mutex_unlock(&wl->mutex);
 
-       if (do_rfkill_exit)
-               b43_rfkill_exit(dev);
-
        return err;
 }
 
@@ -4379,13 +4306,13 @@ static void b43_op_stop(struct ieee80211_hw *hw)
        struct b43_wl *wl = hw_to_b43_wl(hw);
        struct b43_wldev *dev = wl->current_dev;
 
-       b43_rfkill_exit(dev);
        cancel_work_sync(&(wl->beacon_update_trigger));
 
        mutex_lock(&wl->mutex);
        if (b43_status(dev) >= B43_STAT_STARTED)
                b43_wireless_core_stop(dev);
        b43_wireless_core_exit(dev);
+       wl->radio_enabled = 0;
        mutex_unlock(&wl->mutex);
 
        cancel_work_sync(&(wl->txpower_adjust_work));
@@ -4449,7 +4376,6 @@ static const struct ieee80211_ops b43_hw_ops = {
        .remove_interface       = b43_op_remove_interface,
        .config                 = b43_op_config,
        .bss_info_changed       = b43_op_bss_info_changed,
-       .config_interface       = b43_op_config_interface,
        .configure_filter       = b43_op_configure_filter,
        .set_key                = b43_op_set_key,
        .get_stats              = b43_op_get_stats,
@@ -4462,6 +4388,7 @@ static const struct ieee80211_ops b43_hw_ops = {
        .sta_notify             = b43_op_sta_notify,
        .sw_scan_start          = b43_op_sw_scan_start_notifier,
        .sw_scan_complete       = b43_op_sw_scan_complete_notifier,
+       .rfkill_poll            = b43_rfkill_poll,
 };
 
 /* Hard-reset the chip. Do not call this directly.
@@ -4568,6 +4495,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
                B43_WARN_ON(1);
 
        dev->phy.gmode = have_2ghz_phy;
+       dev->phy.radio_on = 1;
        tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
        b43_wireless_core_reset(dev, tmp);
 
@@ -4585,9 +4513,12 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
                case B43_PHYTYPE_A:
                        have_5ghz_phy = 1;
                        break;
+               case B43_PHYTYPE_LP: //FIXME not always!
+#if 0 //FIXME enabling 5GHz causes a NULL pointer dereference
+                       have_5ghz_phy = 1;
+#endif
                case B43_PHYTYPE_G:
                case B43_PHYTYPE_N:
-               case B43_PHYTYPE_LP:
                        have_2ghz_phy = 1;
                        break;
                default:
@@ -4602,7 +4533,8 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
        }
        if (1 /* disable A-PHY */) {
                /* FIXME: For now we disable the A-PHY on multi-PHY devices. */
-               if (dev->phy.type != B43_PHYTYPE_N) {
+               if (dev->phy.type != B43_PHYTYPE_N &&
+                   dev->phy.type != B43_PHYTYPE_LP) {
                        have_2ghz_phy = 1;
                        have_5ghz_phy = 0;
                }
@@ -4764,6 +4696,7 @@ static int b43_wireless_init(struct ssb_device *dev)
                b43err(NULL, "Could not allocate ieee80211 device\n");
                goto out;
        }
+       wl = hw_to_b43_wl(hw);
 
        /* fill hw info */
        hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
@@ -4777,7 +4710,8 @@ static int b43_wireless_init(struct ssb_device *dev)
                BIT(NL80211_IFTYPE_WDS) |
                BIT(NL80211_IFTYPE_ADHOC);
 
-       hw->queues = b43_modparam_qos ? 4 : 1;
+       hw->queues = modparam_qos ? 4 : 1;
+       wl->mac80211_initially_registered_queues = hw->queues;
        hw->max_rates = 2;
        SET_IEEE80211_DEV(hw, dev->dev);
        if (is_valid_ether_addr(sprom->et1mac))
@@ -4785,9 +4719,7 @@ static int b43_wireless_init(struct ssb_device *dev)
        else
                SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
 
-       /* Get and initialize struct b43_wl */
-       wl = hw_to_b43_wl(hw);
-       memset(wl, 0, sizeof(*wl));
+       /* Initialize struct b43_wl */
        wl->hw = hw;
        spin_lock_init(&wl->irq_lock);
        rwlock_init(&wl->tx_lock);
@@ -4853,8 +4785,13 @@ static void b43_remove(struct ssb_device *dev)
        cancel_work_sync(&wldev->restart_work);
 
        B43_WARN_ON(!wl);
-       if (wl->current_dev == wldev)
+       if (wl->current_dev == wldev) {
+               /* Restore the queues count before unregistering, because firmware detect
+                * might have modified it. Restoring is important, so the networking
+                * stack can properly free resources. */
+               wl->hw->queues = wl->mac80211_initially_registered_queues;
                ieee80211_unregister_hw(wl->hw);
+       }
 
        b43_one_core_detach(dev);
 
@@ -4873,7 +4810,7 @@ void b43_controller_restart(struct b43_wldev *dev, const char *reason)
        if (b43_status(dev) < B43_STAT_INITIALIZED)
                return;
        b43info(dev->wl, "Controller RESET (%s) ...\n", reason);
-       queue_work(dev->wl->hw->workqueue, &dev->restart_work);
+       ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
 }
 
 #ifdef CONFIG_PM
@@ -4949,7 +4886,7 @@ static struct ssb_driver b43_ssb_driver = {
 static void b43_print_driverinfo(void)
 {
        const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
-                  *feat_leds = "", *feat_rfkill = "";
+                  *feat_leds = "";
 
 #ifdef CONFIG_B43_PCI_AUTOSELECT
        feat_pci = "P";
@@ -4962,15 +4899,12 @@ static void b43_print_driverinfo(void)
 #endif
 #ifdef CONFIG_B43_LEDS
        feat_leds = "L";
-#endif
-#ifdef CONFIG_B43_RFKILL
-       feat_rfkill = "R";
 #endif
        printk(KERN_INFO "Broadcom 43xx driver loaded "
-              "[ Features: %s%s%s%s%s, Firmware-ID: "
+              "[ Features: %s%s%s%s, Firmware-ID: "
               B43_SUPPORTED_FIRMWARE_ID " ]\n",
               feat_pci, feat_pcmcia, feat_nphy,
-              feat_leds, feat_rfkill);
+              feat_leds);
 }
 
 static int __init b43_init(void)