Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits)
  genetlink: fix netns vs. netlink table locking (2)
  3c59x: Get rid of "Trying to free already-free IRQ"
  tunnel: eliminate recursion field
  ems_pci: fix size of CAN controllers BAR mapping for CPC-PCI v2
  net: fix htmldocs sunrpc, clnt.c
  Phonet: error on broadcast sending (unimplemented)
  Phonet: fix race for port number in concurrent bind()
  pktgen: better scheduler friendliness
  pktgen: T_TERMINATE flag is unused
  ipv4: check optlen for IP_MULTICAST_IF option
  ath9k: Initialize txgain and rxgain for newer AR9287 chipsets.
  iwlagn: fix panic in iwl{5000,4965}_rx_reply_tx
  ath9k: Fix RFKILL bugs
  drivers/net/wireless: Use usb_endpoint_dir_out
  cfg80211: don't overwrite privacy setting
  wl12xx: fix kconfig/link errors
  rt2x00: fix the definition of rt2x00crypto_rx_insert_iv
  iwlwifi: reduce noise when skb allocation fails
  iwlwifi: do not send sync command while holding spinlock
  mac80211: fix DTIM setting
  ...

15 files changed, 645 insertions, 197 deletions

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);
+	else
+		b43_led_turn_off(dev, led->index, led->activelow);
+}
+
+static void b43_leds_work(struct work_struct *work)
+{
+	struct b43_leds *leds = container_of(work, struct b43_leds, work);
+	struct b43_wl *wl = container_of(leds, struct b43_wl, leds);
+	struct b43_wldev *dev;
+
+	mutex_lock(&wl->mutex);
+	dev = wl->current_dev;
+	if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED))
+		goto out_unlock;
+
+	b43_led_update(dev, &wl->leds.led_tx);
+	b43_led_update(dev, &wl->leds.led_rx);
+	b43_led_update(dev, &wl->leds.led_radio);
+	b43_led_update(dev, &wl->leds.led_assoc);
+
+out_unlock:
+	mutex_unlock(&wl->mutex);
+}
+
+/* Callback from the LED subsystem. */
+static void b43_led_brightness_set(struct led_classdev *led_dev,
+				   enum led_brightness brightness)
+{
+	struct b43_led *led = container_of(led_dev, struct b43_led, led_dev);
+	struct b43_wl *wl = led->wl;
+
+	if (likely(!wl->leds.stop)) {
+		atomic_set(&led->state, brightness);
+		ieee80211_queue_work(wl->hw, &wl->leds.work);
+	}
 }
 
 static int b43_register_led(struct b43_wldev *dev, struct b43_led *led,
@@ -93,15 +124,15 @@ static int b43_register_led(struct b43_wldev *dev, struct b43_led *led,
 {
 	int err;
 
-	b43_led_turn_off(dev, led_index, activelow);
-	if (led->dev)
+	if (led->wl)
 		return -EEXIST;
 	if (!default_trigger)
 		return -EINVAL;
-	led->dev = dev;
+	led->wl = dev->wl;
 	led->index = led_index;
 	led->activelow = activelow;
 	strncpy(led->name, name, sizeof(led->name));
+	atomic_set(&led->state, 0);
 
 	led->led_dev.name = led->name;
 	led->led_dev.default_trigger = default_trigger;
@@ -110,19 +141,19 @@ static int b43_register_led(struct b43_wldev *dev, struct b43_led *led,
 	err = led_classdev_register(dev->dev->dev, &led->led_dev);
 	if (err) {
 		b43warn(dev->wl, "LEDs: Failed to register %s\n", name);
-		led->dev = NULL;
+		led->wl = NULL;
 		return err;
 	}
+
 	return 0;
 }
 
 static void b43_unregister_led(struct b43_led *led)
 {
-	if (!led->dev)
+	if (!led->wl)
 		return;
 	led_classdev_unregister(&led->led_dev);
-	b43_led_turn_off(led->dev, led->index, led->activelow);
-	led->dev = NULL;
+	led->wl = NULL;
 }
 
 static void b43_map_led(struct b43_wldev *dev,
@@ -137,24 +168,20 @@ static void b43_map_led(struct b43_wldev *dev,
 	 * generic LED triggers. */
 	switch (behaviour) {
 	case B43_LED_INACTIVE:
-		break;
 	case B43_LED_OFF:
-		b43_led_turn_off(dev, led_index, activelow);
-		break;
 	case B43_LED_ON:
-		b43_led_turn_on(dev, led_index, activelow);
 		break;
 	case B43_LED_ACTIVITY:
 	case B43_LED_TRANSFER:
 	case B43_LED_APTRANSFER:
 		snprintf(name, sizeof(name),
 			 "b43-%s::tx", wiphy_name(hw->wiphy));
-		b43_register_led(dev, &dev->led_tx, name,
+		b43_register_led(dev, &dev->wl->leds.led_tx, name,
 				 ieee80211_get_tx_led_name(hw),
 				 led_index, activelow);
 		snprintf(name, sizeof(name),
 			 "b43-%s::rx", wiphy_name(hw->wiphy));
-		b43_register_led(dev, &dev->led_rx, name,
+		b43_register_led(dev, &dev->wl->leds.led_rx, name,
 				 ieee80211_get_rx_led_name(hw),
 				 led_index, activelow);
 		break;
@@ -164,18 +191,15 @@ static void b43_map_led(struct b43_wldev *dev,
 	case B43_LED_MODE_BG:
 		snprintf(name, sizeof(name),
 			 "b43-%s::radio", wiphy_name(hw->wiphy));
-		b43_register_led(dev, &dev->led_radio, name,
+		b43_register_led(dev, &dev->wl->leds.led_radio, name,
 				 ieee80211_get_radio_led_name(hw),
 				 led_index, activelow);
-		/* Sync the RF-kill LED state with radio and switch states. */
-		if (dev->phy.radio_on && b43_is_hw_radio_enabled(dev))
-			b43_led_turn_on(dev, led_index, activelow);
 		break;
 	case B43_LED_WEIRD:
 	case B43_LED_ASSOC:
 		snprintf(name, sizeof(name),
 			 "b43-%s::assoc", wiphy_name(hw->wiphy));
-		b43_register_led(dev, &dev->led_assoc, name,
+		b43_register_led(dev, &dev->wl->leds.led_assoc, name,
 				 ieee80211_get_assoc_led_name(hw),
 				 led_index, activelow);
 		break;
@@ -186,58 +210,150 @@ static void b43_map_led(struct b43_wldev *dev,
 	}
 }
 
-void b43_leds_init(struct b43_wldev *dev)
+static void b43_led_get_sprominfo(struct b43_wldev *dev,
+				  unsigned int led_index,
+				  enum b43_led_behaviour *behaviour,
+				  bool *activelow)
 {
 	struct ssb_bus *bus = dev->dev->bus;
 	u8 sprom[4];
-	int i;
-	enum b43_led_behaviour behaviour;
-	bool activelow;
 
 	sprom[0] = bus->sprom.gpio0;
 	sprom[1] = bus->sprom.gpio1;
 	sprom[2] = bus->sprom.gpio2;
 	sprom[3] = bus->sprom.gpio3;
 
-	for (i = 0; i < 4; i++) {
-		if (sprom[i] == 0xFF) {
-			/* There is no LED information in the SPROM
-			 * for this LED. Hardcode it here. */
-			activelow = 0;
-			switch (i) {
-			case 0:
-				behaviour = B43_LED_ACTIVITY;
-				activelow = 1;
-				if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
-					behaviour = B43_LED_RADIO_ALL;
-				break;
-			case 1:
-				behaviour = B43_LED_RADIO_B;
-				if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
-					behaviour = B43_LED_ASSOC;
-				break;
-			case 2:
-				behaviour = B43_LED_RADIO_A;
-				break;
-			case 3:
-				behaviour = B43_LED_OFF;
-				break;
-			default:
-				B43_WARN_ON(1);
-				return;
-			}
+	if (sprom[led_index] == 0xFF) {
+		/* There is no LED information in the SPROM
+		 * for this LED. Hardcode it here. */
+		*activelow = 0;
+		switch (led_index) {
+		case 0:
+			*behaviour = B43_LED_ACTIVITY;
+			*activelow = 1;
+			if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
+				*behaviour = B43_LED_RADIO_ALL;
+			break;
+		case 1:
+			*behaviour = B43_LED_RADIO_B;
+			if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
+				*behaviour = B43_LED_ASSOC;
+			break;
+		case 2:
+			*behaviour = B43_LED_RADIO_A;
+			break;
+		case 3:
+			*behaviour = B43_LED_OFF;
+			break;
+		default:
+			B43_WARN_ON(1);
+			return;
+		}
+	} else {
+		*behaviour = sprom[led_index] & B43_LED_BEHAVIOUR;
+		*activelow = !!(sprom[led_index] & B43_LED_ACTIVELOW);
+	}
+}
+
+void b43_leds_init(struct b43_wldev *dev)
+{
+	struct b43_led *led;
+	unsigned int i;
+	enum b43_led_behaviour behaviour;
+	bool activelow;
+
+	/* Sync the RF-kill LED state (if we have one) with radio and switch states. */
+	led = &dev->wl->leds.led_radio;
+	if (led->wl) {
+		if (dev->phy.radio_on && b43_is_hw_radio_enabled(dev)) {
+			b43_led_turn_on(dev, led->index, led->activelow);
+			led->hw_state = 1;
+			atomic_set(&led->state, 1);
 		} else {
-			behaviour = sprom[i] & B43_LED_BEHAVIOUR;
-			activelow = !!(sprom[i] & B43_LED_ACTIVELOW);
+			b43_led_turn_off(dev, led->index, led->activelow);
+			led->hw_state = 0;
+			atomic_set(&led->state, 0);
 		}
-		b43_map_led(dev, i, behaviour, activelow);
 	}
+
+	/* Initialize TX/RX/ASSOC leds */
+	led = &dev->wl->leds.led_tx;
+	if (led->wl) {
+		b43_led_turn_off(dev, led->index, led->activelow);
+		led->hw_state = 0;
+		atomic_set(&led->state, 0);
+	}
+	led = &dev->wl->leds.led_rx;
+	if (led->wl) {
+		b43_led_turn_off(dev, led->index, led->activelow);
+		led->hw_state = 0;
+		atomic_set(&led->state, 0);
+	}
+	led = &dev->wl->leds.led_assoc;
+	if (led->wl) {
+		b43_led_turn_off(dev, led->index, led->activelow);
+		led->hw_state = 0;
+		atomic_set(&led->state, 0);
+	}
+
+	/* Initialize other LED states. */
+	for (i = 0; i < B43_MAX_NR_LEDS; i++) {
+		b43_led_get_sprominfo(dev, i, &behaviour, &activelow);
+		switch (behaviour) {
+		case B43_LED_OFF:
+			b43_led_turn_off(dev, i, activelow);
+			break;
+		case B43_LED_ON:
+			b43_led_turn_on(dev, i, activelow);
+			break;
+		default:
+			/* Leave others as-is. */
+			break;
+		}
+	}
+
+	dev->wl->leds.stop = 0;
 }
 
 void b43_leds_exit(struct b43_wldev *dev)
 {
-	b43_unregister_led(&dev->led_tx);
-	b43_unregister_led(&dev->led_rx);
-	b43_unregister_led(&dev->led_assoc);
-	b43_unregister_led(&dev->led_radio);
+	struct b43_leds *leds = &dev->wl->leds;
+
+	b43_led_turn_off(dev, leds->led_tx.index, leds->led_tx.activelow);
+	b43_led_turn_off(dev, leds->led_rx.index, leds->led_rx.activelow);
+	b43_led_turn_off(dev, leds->led_assoc.index, leds->led_assoc.activelow);
+	b43_led_turn_off(dev, leds->led_radio.index, leds->led_radio.activelow);
+}
+
+void b43_leds_stop(struct b43_wldev *dev)
+{
+	struct b43_leds *leds = &dev->wl->leds;
+
+	leds->stop = 1;
+	cancel_work_sync(&leds->work);
+}
+
+void b43_leds_register(struct b43_wldev *dev)
+{
+	unsigned int i;
+	enum b43_led_behaviour behaviour;
+	bool activelow;
+
+	INIT_WORK(&dev->wl->leds.work, b43_leds_work);
+
+	/* Register the LEDs to the LED subsystem. */
+	for (i = 0; i < B43_MAX_NR_LEDS; i++) {
+		b43_led_get_sprominfo(dev, i, &behaviour, &activelow);
+		b43_map_led(dev, i, behaviour, activelow);
+	}
+}
+
+void b43_leds_unregister(struct b43_wldev *dev)
+{
+	struct b43_leds *leds = &dev->wl->leds;
+
+	b43_unregister_led(&leds->led_tx);
+	b43_unregister_led(&leds->led_rx);
+	b43_unregister_led(&leds->led_assoc);
+	b43_unregister_led(&leds->led_radio);
 }
diff --git a/drivers/net/wireless/b43/leds.h b/drivers/net/wireless/b43/leds.h
index b8b1dd52124..9592e4c5a5f 100644
--- a/drivers/net/wireless/b43/leds.h
+++ b/drivers/net/wireless/b43/leds.h
@@ -7,12 +7,13 @@ struct b43_wldev;
 
 #include <linux/types.h>
 #include <linux/leds.h>
+#include <linux/workqueue.h>
 
 
 #define B43_LED_MAX_NAME_LEN	31
 
 struct b43_led {
-	struct b43_wldev *dev;
+	struct b43_wl *wl;
 	/* The LED class device */
 	struct led_classdev led_dev;
 	/* The index number of the LED. */
@@ -22,8 +23,24 @@ struct b43_led {
 	bool activelow;
 	/* The unique name string for this LED device. */
 	char name[B43_LED_MAX_NAME_LEN + 1];
+	/* The current status of the LED. This is updated locklessly. */
+	atomic_t state;
+	/* The active state in hardware. */
+	bool hw_state;
 };
 
+struct b43_leds {
+	struct b43_led led_tx;
+	struct b43_led led_rx;
+	struct b43_led led_radio;
+	struct b43_led led_assoc;
+
+	bool stop;
+	struct work_struct work;
+};
+
+#define B43_MAX_NR_LEDS			4
+
 #define B43_LED_BEHAVIOUR		0x7F
 #define B43_LED_ACTIVELOW		0x80
 /* LED behaviour values */
@@ -42,23 +59,35 @@ enum b43_led_behaviour {
 	B43_LED_INACTIVE,
 };
 
+void b43_leds_register(struct b43_wldev *dev);
+void b43_leds_unregister(struct b43_wldev *dev);
 void b43_leds_init(struct b43_wldev *dev);
 void b43_leds_exit(struct b43_wldev *dev);
+void b43_leds_stop(struct b43_wldev *dev);
 
 
 #else /* CONFIG_B43_LEDS */
 /* LED support disabled */
 
-struct b43_led {
+struct b43_leds {
 	/* empty */
 };
 
+static inline void b43_leds_register(struct b43_wldev *dev)
+{
+}
+static inline void b43_leds_unregister(struct b43_wldev *dev)
+{
+}
 static inline void b43_leds_init(struct b43_wldev *dev)
 {
 }
 static inline void b43_leds_exit(struct b43_wldev *dev)
 {
 }
+static inline void b43_leds_stop(struct b43_wldev *dev)
+{
+}
 #endif /* CONFIG_B43_LEDS */
 
 #endif /* B43_LEDS_H_ */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index e789792a36b..9b907a36bb8 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -8,6 +8,9 @@
   Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
   Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
 
+  SDIO support
+  Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es>
+
   Some parts of the code in this file are derived from the ipw2200
   driver  Copyright(c) 2003 - 2004 Intel Corporation.
 
@@ -53,6 +56,8 @@
 #include "xmit.h"
 #include "lo.h"
 #include "pcmcia.h"
+#include "sdio.h"
+#include <linux/mmc/sdio_func.h>
 
 MODULE_DESCRIPTION("Broadcom B43 wireless driver");
 MODULE_AUTHOR("Martin Langer");
@@ -1587,7 +1592,7 @@ static void b43_beacon_update_trigger_work(struct work_struct *work)
 	mutex_lock(&wl->mutex);
 	dev = wl->current_dev;
 	if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
-		if (0 /*FIXME dev->dev->bus->bustype == SSB_BUSTYPE_SDIO*/) {
+		if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
 			/* wl->mutex is enough. */
 			b43_do_beacon_update_trigger_work(dev);
 			mmiowb();
@@ -1825,6 +1830,16 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
 
 	/* Re-enable interrupts on the device by restoring the current interrupt mask. */
 	b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
+
+#if B43_DEBUG
+	if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
+		dev->irq_count++;
+		for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
+			if (reason & (1 << i))
+				dev->irq_bit_count[i]++;
+		}
+	}
+#endif
 }
 
 /* Interrupt thread handler. Handles device interrupts in thread context. */
@@ -1905,6 +1920,21 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
 	return ret;
 }
 
+/* SDIO interrupt handler. This runs in process context. */
+static void b43_sdio_interrupt_handler(struct b43_wldev *dev)
+{
+	struct b43_wl *wl = dev->wl;
+	irqreturn_t ret;
+
+	mutex_lock(&wl->mutex);
+
+	ret = b43_do_interrupt(dev);
+	if (ret == IRQ_WAKE_THREAD)
+		b43_do_interrupt_thread(dev);
+
+	mutex_unlock(&wl->mutex);
+}
+
 void b43_do_release_fw(struct b43_firmware_file *fw)
 {
 	release_firmware(fw->data);
@@ -2645,6 +2675,20 @@ static void b43_adjust_opmode(struct b43_wldev *dev)
 			cfp_pretbtt = 50;
 	}
 	b43_write16(dev, 0x612, cfp_pretbtt);
+
+	/* FIXME: We don't currently implement the PMQ mechanism,
+	 *        so always disable it. If we want to implement PMQ,
+	 *        we need to enable it here (clear DISCPMQ) in AP mode.
+	 */
+	if (0  /* ctl & B43_MACCTL_AP */) {
+		b43_write32(dev, B43_MMIO_MACCTL,
+			    b43_read32(dev, B43_MMIO_MACCTL)
+			    & ~B43_MACCTL_DISCPMQ);
+	} else {
+		b43_write32(dev, B43_MMIO_MACCTL,
+			    b43_read32(dev, B43_MMIO_MACCTL)
+			    | B43_MACCTL_DISCPMQ);
+	}
 }
 
 static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
@@ -2873,6 +2917,27 @@ static void b43_periodic_every15sec(struct b43_wldev *dev)
 
 	atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
 	wmb();
+
+#if B43_DEBUG
+	if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
+		unsigned int i;
+
+		b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n",
+		       dev->irq_count / 15,
+		       dev->tx_count / 15,
+		       dev->rx_count / 15);
+		dev->irq_count = 0;
+		dev->tx_count = 0;
+		dev->rx_count = 0;
+		for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
+			if (dev->irq_bit_count[i]) {
+				b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n",
+				       dev->irq_bit_count[i] / 15, i, (1 << i));
+				dev->irq_bit_count[i] = 0;
+			}
+		}
+	}
+#endif
 }
 
 static void do_periodic_work(struct b43_wldev *dev)
@@ -3002,14 +3067,18 @@ static void b43_security_init(struct b43_wldev *dev)
 static int b43_rng_read(struct hwrng *rng, u32 *data)
 {
 	struct b43_wl *wl = (struct b43_wl *)rng->priv;
+	struct b43_wldev *dev;
+	int count = -ENODEV;
 
-	/* FIXME: We need to take wl->mutex here to make sure the device
-	 * is not going away from under our ass. However it could deadlock
-	 * with hwrng internal locking. */
-
-	*data = b43_read16(wl->current_dev, B43_MMIO_RNG);
+	mutex_lock(&wl->mutex);
+	dev = wl->current_dev;
+	if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) {
+		*data = b43_read16(dev, B43_MMIO_RNG);
+		count = sizeof(u16);
+	}
+	mutex_unlock(&wl->mutex);
 
-	return (sizeof(u16));
+	return count;
 }
 #endif /* CONFIG_B43_HWRNG */
 
@@ -3068,6 +3137,9 @@ static void b43_tx_work(struct work_struct *work)
 			dev_kfree_skb(skb); /* Drop it */
 	}
 
+#if B43_DEBUG
+	dev->tx_count++;
+#endif
 	mutex_unlock(&wl->mutex);
 }
 
@@ -3820,7 +3892,7 @@ redo:
 
 	/* Disable interrupts on the device. */
 	b43_set_status(dev, B43_STAT_INITIALIZED);
-	if (0 /*FIXME dev->dev->bus->bustype == SSB_BUSTYPE_SDIO*/) {
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
 		/* wl->mutex is locked. That is enough. */
 		b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
 		b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);	/* Flush */
@@ -3830,10 +3902,15 @@ redo:
 		b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);	/* Flush */
 		spin_unlock_irq(&wl->hardirq_lock);
 	}
-	/* Synchronize the interrupt handlers. Unlock to avoid deadlocks. */
+	/* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */
 	orig_dev = dev;
 	mutex_unlock(&wl->mutex);
-	synchronize_irq(dev->dev->irq);
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+		b43_sdio_free_irq(dev);
+	} else {
+		synchronize_irq(dev->dev->irq);
+		free_irq(dev->dev->irq, dev);
+	}
 	mutex_lock(&wl->mutex);
 	dev = wl->current_dev;
 	if (!dev)
@@ -3850,7 +3927,7 @@ redo:
 		dev_kfree_skb(skb_dequeue(&wl->tx_queue));
 
 	b43_mac_suspend(dev);
-	free_irq(dev->dev->irq, dev);
+	b43_leds_exit(dev);
 	b43dbg(wl, "Wireless interface stopped\n");
 
 	return dev;
@@ -3864,12 +3941,20 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
 	B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED);
 
 	drain_txstatus_queue(dev);
-	err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
-				   b43_interrupt_thread_handler,
-				   IRQF_SHARED, KBUILD_MODNAME, dev);
-	if (err) {
-		b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq);
-		goto out;
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+		err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler);
+		if (err) {
+			b43err(dev->wl, "Cannot request SDIO IRQ\n");
+			goto out;
+		}
+	} else {
+		err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
+					   b43_interrupt_thread_handler,
+					   IRQF_SHARED, KBUILD_MODNAME, dev);
+		if (err) {
+			b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq);
+			goto out;
+		}
 	}
 
 	/* We are ready to run. */
@@ -3882,8 +3967,10 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
 	/* Start maintainance work */
 	b43_periodic_tasks_setup(dev);
 
+	b43_leds_init(dev);
+
 	b43dbg(dev->wl, "Wireless interface started\n");
-      out:
+out:
 	return err;
 }
 
@@ -4160,10 +4247,6 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
 	macctl |= B43_MACCTL_PSM_JMP0;
 	b43_write32(dev, B43_MMIO_MACCTL, macctl);
 
-	if (!dev->suspend_in_progress) {
-		b43_leds_exit(dev);
-		b43_rng_exit(dev->wl);
-	}
 	b43_dma_free(dev);
 	b43_pio_free(dev);
 	b43_chip_exit(dev);
@@ -4180,7 +4263,6 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
 /* Initialize a wireless core */
 static int b43_wireless_core_init(struct b43_wldev *dev)
 {
-	struct b43_wl *wl = dev->wl;
 	struct ssb_bus *bus = dev->dev->bus;
 	struct ssb_sprom *sprom = &bus->sprom;
 	struct b43_phy *phy = &dev->phy;
@@ -4264,7 +4346,9 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 	/* Maximum Contention Window */
 	b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF);
 
-	if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || B43_FORCE_PIO) {
+	if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) ||
+	    (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) ||
+	    B43_FORCE_PIO) {
 		dev->__using_pio_transfers = 1;
 		err = b43_pio_init(dev);
 	} else {
@@ -4280,15 +4364,13 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 	ssb_bus_powerup(bus, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW));
 	b43_upload_card_macaddress(dev);
 	b43_security_init(dev);
-	if (!dev->suspend_in_progress)
-		b43_rng_init(wl);
+
+	ieee80211_wake_queues(dev->wl->hw);
 
 	ieee80211_wake_queues(dev->wl->hw);
 
 	b43_set_status(dev, B43_STAT_INITIALIZED);
 
-	if (!dev->suspend_in_progress)
-		b43_leds_init(dev);
 out:
 	return err;
 
@@ -4837,7 +4919,6 @@ static int b43_wireless_init(struct ssb_device *dev)
 
 	/* Initialize struct b43_wl */
 	wl->hw = hw;
-	spin_lock_init(&wl->leds_lock);
 	mutex_init(&wl->mutex);
 	spin_lock_init(&wl->hardirq_lock);
 	INIT_LIST_HEAD(&wl->devlist);
@@ -4878,6 +4959,8 @@ static int b43_probe(struct ssb_device *dev, const struct ssb_device_id *id)
 		err = ieee80211_register_hw(wl->hw);
 		if (err)
 			goto err_one_core_detach;
+		b43_leds_register(wl->current_dev);
+		b43_rng_init(wl);
 	}
 
       out:
@@ -4906,12 +4989,15 @@ static void b43_remove(struct ssb_device *dev)
 		 * might have modified it. Restoring is important, so the networking
 		 * stack can properly free resources. */
 		wl->hw->queues = wl->mac80211_initially_registered_queues;
+		b43_leds_stop(wldev);
 		ieee80211_unregister_hw(wl->hw);
 	}
 
 	b43_one_core_detach(dev);
 
 	if (list_empty(&wl->devlist)) {
+		b43_rng_exit(wl);
+		b43_leds_unregister(wldev);
 		/* Last core on the chip unregistered.
 		 * We can destroy common struct b43_wl.
 		 */
@@ -4929,80 +5015,17 @@ void b43_controller_restart(struct b43_wldev *dev, const char *reason)
 	ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
 }
 
-#ifdef CONFIG_PM
-
-static int b43_suspend(struct ssb_device *dev, pm_message_t state)
-{
-	struct b43_wldev *wldev = ssb_get_drvdata(dev);
-	struct b43_wl *wl = wldev->wl;
-
-	b43dbg(wl, "Suspending...\n");
-
-	mutex_lock(&wl->mutex);
-	wldev->suspend_in_progress = true;
-	wldev->suspend_init_status = b43_status(wldev);
-	if (wldev->suspend_init_status >= B43_STAT_STARTED)
-		wldev = b43_wireless_core_stop(wldev);
-	if (wldev && wldev->suspend_init_status >= B43_STAT_INITIALIZED)
-		b43_wireless_core_exit(wldev);
-	mutex_unlock(&wl->mutex);
-
-	b43dbg(wl, "Device suspended.\n");
-
-	return 0;
-}
-
-static int b43_resume(struct ssb_device *dev)
-{
-	struct b43_wldev *wldev = ssb_get_drvdata(dev);
-	struct b43_wl *wl = wldev->wl;
-	int err = 0;
-
-	b43dbg(wl, "Resuming...\n");
-
-	mutex_lock(&wl->mutex);
-	if (wldev->suspend_init_status >= B43_STAT_INITIALIZED) {
-		err = b43_wireless_core_init(wldev);
-		if (err) {
-			b43err(wl, "Resume failed at core init\n");
-			goto out;
-		}
-	}
-	if (wldev->suspend_init_status >= B43_STAT_STARTED) {
-		err = b43_wireless_core_start(wldev);
-		if (err) {
-			b43_leds_exit(wldev);
-			b43_rng_exit(wldev->wl);
-			b43_wireless_core_exit(wldev);
-			b43err(wl, "Resume failed at core start\n");
-			goto out;
-		}
-	}
-	b43dbg(wl, "Device resumed.\n");
- out:
-	wldev->suspend_in_progress = false;
-	mutex_unlock(&wl->mutex);
-	return err;
-}
-
-#else /* CONFIG_PM */
-# define b43_suspend	NULL
-# define b43_resume	NULL
-#endif /* CONFIG_PM */
-
 static struct ssb_driver b43_ssb_driver = {
 	.name		= KBUILD_MODNAME,
 	.id_table	= b43_ssb_tbl,
 	.probe		= b43_probe,
 	.remove		= b43_remove,
-	.suspend	= b43_suspend,
-	.resume		= b43_resume,
 };
 
 static void b43_print_driverinfo(void)
 {
 	const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
-		   *feat_leds = "";
+		   *feat_leds = "", *feat_sdio = "";
 
 #ifdef CONFIG_B43_PCI_AUTOSELECT
 	feat_pci = "P";
@@ -5016,11 +5039,14 @@ static void b43_print_driverinfo(void)
 #ifdef CONFIG_B43_LEDS
 	feat_leds = "L";
 #endif
+#ifdef CONFIG_B43_SDIO
+	feat_sdio = "S";
+#endif
 	printk(KERN_INFO "Broadcom 43xx driver loaded "
-	       "[ Features: %s%s%s%s, Firmware-ID: "
+	       "[ Features: %s%s%s%s%s, Firmware-ID: "
 	       B43_SUPPORTED_FIRMWARE_ID " ]\n",
 	       feat_pci, feat_pcmcia, feat_nphy,
-	       feat_leds);
+	       feat_leds, feat_sdio);
 }
 
 static int __init b43_init(void)
@@ -5031,13 +5057,18 @@ static int __init b43_init(void)
 	err = b43_pcmcia_init();
 	if (err)
 		goto err_dfs_exit;
-	err = ssb_driver_register(&b43_ssb_driver);
+	err = b43_sdio_init();
 	if (err)
 		goto err_pcmcia_exit;
+	err = ssb_driver_register(&b43_ssb_driver);
+	if (err)
+		goto err_sdio_exit;
 	b43_print_driverinfo();
 
 	return err;
 
+err_sdio_exit:
+	b43_sdio_exit();
 err_pcmcia_exit:
 	b43_pcmcia_exit();
 err_dfs_exit:
@@ -5048,6 +5079,7 @@ err_dfs_exit:
 static void __exit b43_exit(void)
 {
 	ssb_driver_unregister(&b43_ssb_driver);
+	b43_sdio_exit();
 	b43_pcmcia_exit();
 	b43_debugfs_exit();
 }
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 3e02d969f68..1e318d815a5 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -2228,6 +2228,16 @@ static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev,
 	return B43_TXPWR_RES_DONE;
 }
 
+void b43_lpphy_op_switch_analog(struct b43_wldev *dev, bool on)
+{
+       if (on) {
+               b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xfff8);
+       } else {
+               b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0x0007);
+               b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 0x0007);
+       }
+}
+
 const struct b43_phy_operations b43_phyops_lp = {
 	.allocate		= b43_lpphy_op_allocate,
 	.free			= b43_lpphy_op_free,
@@ -2239,7 +2249,7 @@ const struct b43_phy_operations b43_phyops_lp = {
 	.radio_read		= b43_lpphy_op_radio_read,
 	.radio_write		= b43_lpphy_op_radio_write,
 	.software_rfkill	= b43_lpphy_op_software_rfkill,
-	.switch_analog		= b43_phyop_switch_analog_generic,
+	.switch_analog		= b43_lpphy_op_switch_analog,
 	.switch_channel		= b43_lpphy_op_switch_channel,
 	.get_default_chan	= b43_lpphy_op_get_default_chan,
 	.set_rx_antenna		= b43_lpphy_op_set_rx_antenna,
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 3498b68385e..e96091b3149 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -574,7 +574,7 @@ void b43_pio_handle_txstatus(struct b43_wldev *dev,
 	q->buffer_used -= total_len;
 	q->free_packet_slots += 1;
 
-	ieee80211_tx_status_irqsafe(dev->wl->hw, pack->skb);
+	ieee80211_tx_status(dev->wl->hw, pack->skb);
 	pack->skb = NULL;
 	list_add(&pack->list, &q->packets_list);
 
diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c
index 31e55999893..7a3218c5ba7 100644
--- a/drivers/net/wireless/b43/rfkill.c
+++ b/drivers/net/wireless/b43/rfkill.c
@@ -28,7 +28,7 @@
 /* Returns TRUE, if the radio is enabled in hardware. */
 bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
 {
-	if (dev->phy.rev >= 3) {
+	if (dev->phy.rev >= 3 || dev->phy.type == B43_PHYTYPE_LP) {
 		if (!(b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
 		      & B43_MMIO_RADIO_HWENABLED_HI_MASK))
 			return 1;
diff --git a/drivers/net/wireless/b43/sdio.c b/drivers/net/wireless/b43/sdio.c
new file mode 100644
index 00000000000..0d3ac64147a
--- /dev/null
+++ b/drivers/net/wireless/b43/sdio.c
@@ -0,0 +1,202 @@
+/*
+ * Broadcom B43 wireless driver
+ *
+ * SDIO over Sonics Silicon Backplane bus glue for b43.
+ *
+ * Copyright (C) 2009 Albert Herranz
+ * Copyright (C) 2009 Michael Buesch <mb@bu3sch.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/ssb/ssb.h>
+
+#include "sdio.h"
+#include "b43.h"
+
+
+#define HNBU_CHIPID		0x01	/* vendor & device id */
+
+#define B43_SDIO_BLOCK_SIZE	64	/* rx fifo max size in bytes */
+
+
+static const struct b43_sdio_quirk {
+	u16 vendor;
+	u16 device;
+	unsigned int quirks;
+} b43_sdio_quirks[] = {
+	{ 0x14E4, 0x4318, SSB_QUIRK_SDIO_READ_AFTER_WRITE32, },
+	{ },
+};
+
+
+static unsigned int b43_sdio_get_quirks(u16 vendor, u16 device)
+{
+	const struct b43_sdio_quirk *q;
+
+	for (q = b43_sdio_quirks; q->quirks; q++) {
+		if (vendor == q->vendor && device == q->device)
+			return q->quirks;
+	}
+
+	return 0;
+}
+
+static void b43_sdio_interrupt_dispatcher(struct sdio_func *func)
+{
+	struct b43_sdio *sdio = sdio_get_drvdata(func);
+	struct b43_wldev *dev = sdio->irq_handler_opaque;
+
+	if (unlikely(b43_status(dev) < B43_STAT_STARTED))
+		return;
+
+	sdio_release_host(func);
+	sdio->irq_handler(dev);
+	sdio_claim_host(func);
+}
+
+int b43_sdio_request_irq(struct b43_wldev *dev,
+			 void (*handler)(struct b43_wldev *dev))
+{
+	struct ssb_bus *bus = dev->dev->bus;
+	struct sdio_func *func = bus->host_sdio;
+	struct b43_sdio *sdio = sdio_get_drvdata(func);
+	int err;
+
+	sdio->irq_handler_opaque = dev;
+	sdio->irq_handler = handler;
+	sdio_claim_host(func);
+	err = sdio_claim_irq(func, b43_sdio_interrupt_dispatcher);
+	sdio_release_host(func);
+
+	return err;
+}
+
+void b43_sdio_free_irq(struct b43_wldev *dev)
+{
+	struct ssb_bus *bus = dev->dev->bus;
+	struct sdio_func *func = bus->host_sdio;
+	struct b43_sdio *sdio = sdio_get_drvdata(func);
+
+	sdio_claim_host(func);
+	sdio_release_irq(func);
+	sdio_release_host(func);
+	sdio->irq_handler_opaque = NULL;
+	sdio->irq_handler = NULL;
+}
+
+static int b43_sdio_probe(struct sdio_func *func,
+			  const struct sdio_device_id *id)
+{
+	struct b43_sdio *sdio;
+	struct sdio_func_tuple *tuple;
+	u16 vendor = 0, device = 0;
+	int error;
+
+	/* Look for the card chip identifier. */
+	tuple = func->tuples;
+	while (tuple) {
+		switch (tuple->code) {
+		case 0x80:
+			switch (tuple->data[0]) {
+			case HNBU_CHIPID:
+				if (tuple->size != 5)
+					break;
+				vendor = tuple->data[1] | (tuple->data[2]<<8);
+				device = tuple->data[3] | (tuple->data[4]<<8);
+				dev_info(&func->dev, "Chip ID %04x:%04x\n",
+					 vendor, device);
+				break;
+			default:
+				break;
+			}
+			break;
+		default:
+			break;
+		}
+		tuple = tuple->next;
+	}
+	if (!vendor || !device) {
+		error = -ENODEV;
+		goto out;
+	}
+
+	sdio_claim_host(func);
+	error = sdio_set_block_size(func, B43_SDIO_BLOCK_SIZE);
+	if (error) {
+		dev_err(&func->dev, "failed to set block size to %u bytes,"
+			" error %d\n", B43_SDIO_BLOCK_SIZE, error);
+		goto err_release_host;
+	}
+	error = sdio_enable_func(func);
+	if (error) {
+		dev_err(&func->dev, "failed to enable func, error %d\n", error);
+		goto err_release_host;
+	}
+	sdio_release_host(func);
+
+	sdio = kzalloc(sizeof(*sdio), GFP_KERNEL);
+	if (!sdio) {
+		error = -ENOMEM;
+		dev_err(&func->dev, "failed to allocate ssb bus\n");
+		goto err_disable_func;
+	}
+	error = ssb_bus_sdiobus_register(&sdio->ssb, func,
+					 b43_sdio_get_quirks(vendor, device));
+	if (error) {
+		dev_err(&func->dev, "failed to register ssb sdio bus,"
+			" error %d\n", error);
+		goto err_free_ssb;
+	}
+	sdio_set_drvdata(func, sdio);
+
+	return 0;
+
+err_free_ssb:
+	kfree(sdio);
+err_disable_func:
+	sdio_disable_func(func);
+err_release_host:
+	sdio_release_host(func);
+out:
+	return error;
+}
+
+static void b43_sdio_remove(struct sdio_func *func)
+{
+	struct b43_sdio *sdio = sdio_get_drvdata(func);
+
+	ssb_bus_unregister(&sdio->ssb);
+	sdio_disable_func(func);
+	kfree(sdio);
+	sdio_set_drvdata(func, NULL);
+}
+
+static const struct sdio_device_id b43_sdio_ids[] = {
+	{ SDIO_DEVICE(0x02d0, 0x044b) }, /* Nintendo Wii WLAN daughter card */
+	{ },
+};
+
+static struct sdio_driver b43_sdio_driver = {
+	.name		= "b43-sdio",
+	.id_table	= b43_sdio_ids,
+	.probe		= b43_sdio_probe,
+	.remove		= b43_sdio_remove,
+};
+
+int b43_sdio_init(void)
+{
+	return sdio_register_driver(&b43_sdio_driver);
+}
+
+void b43_sdio_exit(void)
+{
+	sdio_unregister_driver(&b43_sdio_driver);
+}
diff --git a/drivers/net/wireless/b43/sdio.h b/drivers/net/wireless/b43/sdio.h
new file mode 100644
index 00000000000..fb633094403
--- /dev/null
+++ b/drivers/net/wireless/b43/sdio.h
@@ -0,0 +1,45 @@
+#ifndef B43_SDIO_H_
+#define B43_SDIO_H_
+
+#include <linux/ssb/ssb.h>
+
+struct b43_wldev;
+
+
+#ifdef CONFIG_B43_SDIO
+
+struct b43_sdio {
+	struct ssb_bus ssb;
+	void *irq_handler_opaque;
+	void (*irq_handler)(struct b43_wldev *dev);
+};
+
+int b43_sdio_request_irq(struct b43_wldev *dev,
+			 void (*handler)(struct b43_wldev *dev));
+void b43_sdio_free_irq(struct b43_wldev *dev);
+
+int b43_sdio_init(void);
+void b43_sdio_exit(void);
+
+
+#else /* CONFIG_B43_SDIO */
+
+
+int b43_sdio_request_irq(struct b43_wldev *dev,
+			 void (*handler)(struct b43_wldev *dev))
+{
+	return -ENODEV;
+}
+void b43_sdio_free_irq(struct b43_wldev *dev)
+{
+}
+static inline int b43_sdio_init(void)
+{
+	return 0;
+}
+static inline void b43_sdio_exit(void)
+{
+}
+
+#endif /* CONFIG_B43_SDIO */
+#endif /* B43_SDIO_H_ */
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 14f541248b5..ac9f600995e 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -690,8 +690,11 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	}
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-	ieee80211_rx_irqsafe(dev->wl->hw, skb);
+	ieee80211_rx(dev->wl->hw, skb);
 
+#if B43_DEBUG
+	dev->rx_count++;
+#endif
 	return;
 drop:
 	b43dbg(dev->wl, "RX: Packet dropped\n");