diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 93419ad..c80edd2 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -23,7 +23,7 @@
 #include "phy.h"
 
 
-#define B43legacy_IRQWAIT_MAX_RETRIES	100
+#define B43legacy_IRQWAIT_MAX_RETRIES	20
 
 #define B43legacy_RX_MAX_SSI		60 /* best guess at max ssi */
 
@@ -40,9 +40,8 @@
 #define B43legacy_MMIO_DMA4_IRQ_MASK	0x44
 #define B43legacy_MMIO_DMA5_REASON	0x48
 #define B43legacy_MMIO_DMA5_IRQ_MASK	0x4C
-#define B43legacy_MMIO_MACCTL		0x120
-#define B43legacy_MMIO_STATUS_BITFIELD	0x120
-#define B43legacy_MMIO_STATUS2_BITFIELD	0x124
+#define B43legacy_MMIO_MACCTL		0x120	/* MAC control */
+#define B43legacy_MMIO_MACCMD		0x124	/* MAC command */
 #define B43legacy_MMIO_GEN_IRQ_REASON	0x128
 #define B43legacy_MMIO_GEN_IRQ_MASK	0x12C
 #define B43legacy_MMIO_RAM_CONTROL	0x130
@@ -177,31 +176,25 @@
 #define B43legacy_RADIOCTL_ID		0x01
 
 /* MAC Control bitfield */
+#define B43legacy_MACCTL_ENABLED	0x00000001 /* MAC Enabled */
+#define B43legacy_MACCTL_PSM_RUN	0x00000002 /* Run Microcode */
+#define B43legacy_MACCTL_PSM_JMP0	0x00000004 /* Microcode jump to 0 */
+#define B43legacy_MACCTL_SHM_ENABLED	0x00000100 /* SHM Enabled */
 #define B43legacy_MACCTL_IHR_ENABLED	0x00000400 /* IHR Region Enabled */
+#define B43legacy_MACCTL_BE		0x00010000 /* Big Endian mode */
 #define B43legacy_MACCTL_INFRA		0x00020000 /* Infrastructure mode */
 #define B43legacy_MACCTL_AP		0x00040000 /* AccessPoint mode */
+#define B43legacy_MACCTL_RADIOLOCK	0x00080000 /* Radio lock */
 #define B43legacy_MACCTL_BEACPROMISC	0x00100000 /* Beacon Promiscuous */
 #define B43legacy_MACCTL_KEEP_BADPLCP	0x00200000 /* Keep bad PLCP frames */
 #define B43legacy_MACCTL_KEEP_CTL	0x00400000 /* Keep control frames */
 #define B43legacy_MACCTL_KEEP_BAD	0x00800000 /* Keep bad frames (FCS) */
 #define B43legacy_MACCTL_PROMISC	0x01000000 /* Promiscuous mode */
+#define B43legacy_MACCTL_HWPS		0x02000000 /* Hardware Power Saving */
+#define B43legacy_MACCTL_AWAKE		0x04000000 /* Device is awake */
+#define B43legacy_MACCTL_TBTTHOLD	0x10000000 /* TBTT Hold */
 #define B43legacy_MACCTL_GMODE		0x80000000 /* G Mode */
 
-/* StatusBitField */
-#define B43legacy_SBF_MAC_ENABLED	0x00000001
-#define B43legacy_SBF_CORE_READY	0x00000004
-#define B43legacy_SBF_400		0x00000400 /*FIXME: fix name*/
-#define B43legacy_SBF_XFER_REG_BYTESWAP	0x00010000
-#define B43legacy_SBF_MODE_NOTADHOC	0x00020000
-#define B43legacy_SBF_MODE_AP		0x00040000
-#define B43legacy_SBF_RADIOREG_LOCK	0x00080000
-#define B43legacy_SBF_MODE_MONITOR	0x00400000
-#define B43legacy_SBF_MODE_PROMISC	0x01000000
-#define B43legacy_SBF_PS1		0x02000000
-#define B43legacy_SBF_PS2		0x04000000
-#define B43legacy_SBF_NO_SSID_BCAST	0x08000000
-#define B43legacy_SBF_TIME_UPDATE	0x10000000
-
 /* 802.11 core specific TM State Low flags */
 #define B43legacy_TMSLOW_GMODE		0x20000000 /* G Mode Enable */
 #define B43legacy_TMSLOW_PLLREFSEL	0x00200000 /* PLL Freq Ref Select */
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index b9a046f..aa20d5d 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -225,8 +225,8 @@
 
 	B43legacy_WARN_ON(offset % 4 != 0);
 
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	if (status & B43legacy_SBF_XFER_REG_BYTESWAP)
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	if (status & B43legacy_MACCTL_BE)
 		val = swab32(val);
 
 	b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset);
@@ -434,9 +434,9 @@
 {
 	u32 status;
 
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	status |= B43legacy_SBF_TIME_UPDATE;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	status |= B43legacy_MACCTL_TBTTHOLD;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
 	mmiowb();
 }
 
@@ -444,9 +444,9 @@
 {
 	u32 status;
 
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	status &= ~B43legacy_SBF_TIME_UPDATE;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	status &= ~B43legacy_MACCTL_TBTTHOLD;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
 }
 
 static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf)
@@ -647,7 +647,7 @@
 		b43legacy_ram_write(dev, i * 4, buffer[i]);
 
 	/* dummy read follows */
-	b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+	b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
 
 	b43legacy_write16(dev, 0x0568, 0x0000);
 	b43legacy_write16(dev, 0x07C0, 0x0000);
@@ -794,9 +794,9 @@
 static void b43legacy_generate_noise_sample(struct b43legacy_wldev *dev)
 {
 	b43legacy_jssi_write(dev, 0x7F7F7F7F);
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
+	b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
 			  b43legacy_read32(dev,
-			  B43legacy_MMIO_STATUS2_BITFIELD)
+			  B43legacy_MMIO_MACCMD)
 			  | (1 << 4));
 	B43legacy_WARN_ON(dev->noisecalc.channel_at_start !=
 			    dev->phy.channel);
@@ -895,8 +895,8 @@
 {
 	if (!dev->reg124_set_0x4) /*FIXME rename this variable*/
 		return;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
-			  b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD)
+	b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
+			  b43legacy_read32(dev, B43legacy_MMIO_MACCMD)
 			  | 0x4);
 }
 
@@ -1106,9 +1106,9 @@
 	b43legacy_write_probe_resp_template(dev, 0x268, 0x4A,
 					    B43legacy_CCK_RATE_11MB);
 
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
 	status |= 0x03;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, status);
+	b43legacy_write32(dev, B43legacy_MMIO_MACCMD, status);
 }
 
 static void b43legacy_refresh_templates(struct b43legacy_wldev *dev,
@@ -1166,7 +1166,7 @@
 		return;
 
 	dev->irq_savedstate &= ~B43legacy_IRQ_BEACON;
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
 
 	if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) {
 		/* ACK beacon IRQ. */
@@ -1182,14 +1182,14 @@
 		b43legacy_write_beacon_template(dev, 0x68, 0x18,
 						B43legacy_CCK_RATE_1MB);
 		status |= 0x1;
-		b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
+		b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
 				  status);
 	}
 	if (!(status & 0x2)) {
 		b43legacy_write_beacon_template(dev, 0x468, 0x1A,
 						B43legacy_CCK_RATE_1MB);
 		status |= 0x2;
-		b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
+		b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
 				  status);
 	}
 }
@@ -1548,9 +1548,20 @@
 	u16 fwpatch;
 	u16 fwdate;
 	u16 fwtime;
-	u32 tmp;
+	u32 tmp, macctl;
 	int err = 0;
 
+	/* Jump the microcode PSM to offset 0 */
+	macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	B43legacy_WARN_ON(macctl & B43legacy_MACCTL_PSM_RUN);
+	macctl |= B43legacy_MACCTL_PSM_JMP0;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+	/* Zero out all microcode PSM registers and shared memory. */
+	for (i = 0; i < 64; i++)
+		b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, i, 0);
+	for (i = 0; i < 4096; i += 2)
+		b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, i, 0);
+
 	/* Upload Microcode. */
 	data = (__be32 *) (dev->fw.ucode->data + hdr_len);
 	len = (dev->fw.ucode->size - hdr_len) / sizeof(__be32);
@@ -1581,7 +1592,12 @@
 
 	b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
 			  B43legacy_IRQ_ALL);
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0x00020402);
+
+	/* Start the microcode PSM */
+	macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	macctl &= ~B43legacy_MACCTL_PSM_JMP0;
+	macctl |= B43legacy_MACCTL_PSM_RUN;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
 
 	/* Wait for the microcode to load and respond */
 	i = 0;
@@ -1594,9 +1610,13 @@
 			b43legacyerr(dev->wl, "Microcode not responding\n");
 			b43legacy_print_fw_helptext(dev->wl);
 			err = -ENODEV;
-			goto out;
+			goto error;
 		}
-		udelay(10);
+		msleep_interruptible(50);
+		if (signal_pending(current)) {
+			err = -EINTR;
+			goto error;
+		}
 	}
 	/* dummy read follows */
 	b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
@@ -1617,9 +1637,8 @@
 			     " is supported. You must change your firmware"
 			     " files.\n");
 		b43legacy_print_fw_helptext(dev->wl);
-		b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0);
 		err = -EOPNOTSUPP;
-		goto out;
+		goto error;
 	}
 	b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u "
 	       "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
@@ -1629,7 +1648,14 @@
 	dev->fw.rev = fwrev;
 	dev->fw.patch = fwpatch;
 
-out:
+	return 0;
+
+error:
+	macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	macctl &= ~B43legacy_MACCTL_PSM_RUN;
+	macctl |= B43legacy_MACCTL_PSM_JMP0;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+
 	return err;
 }
 
@@ -1736,9 +1762,9 @@
 	u32 mask;
 	u32 set;
 
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
 			  b43legacy_read32(dev,
-			  B43legacy_MMIO_STATUS_BITFIELD)
+			  B43legacy_MMIO_MACCTL)
 			  & 0xFFFF3FFF);
 
 	b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK,
@@ -1798,14 +1824,14 @@
 	B43legacy_WARN_ON(dev->mac_suspended < 0);
 	B43legacy_WARN_ON(irqs_disabled());
 	if (dev->mac_suspended == 0) {
-		b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+		b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
 				  b43legacy_read32(dev,
-				  B43legacy_MMIO_STATUS_BITFIELD)
-				  | B43legacy_SBF_MAC_ENABLED);
+				  B43legacy_MMIO_MACCTL)
+				  | B43legacy_MACCTL_ENABLED);
 		b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
 				  B43legacy_IRQ_MAC_SUSPENDED);
 		/* the next two are dummy reads */
-		b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+		b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
 		b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
 		b43legacy_power_saving_ctl_bits(dev, -1, -1);
 
@@ -1836,10 +1862,10 @@
 		dev->irq_savedstate = tmp;
 
 		b43legacy_power_saving_ctl_bits(dev, -1, 1);
-		b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+		b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
 				  b43legacy_read32(dev,
-				  B43legacy_MMIO_STATUS_BITFIELD)
-				  & ~B43legacy_SBF_MAC_ENABLED);
+				  B43legacy_MMIO_MACCTL)
+				  & ~B43legacy_MACCTL_ENABLED);
 		b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
 		for (i = 40; i; i--) {
 			tmp = b43legacy_read32(dev,
@@ -2007,12 +2033,15 @@
 	struct b43legacy_phy *phy = &dev->phy;
 	int err;
 	int tmp;
-	u32 value32;
+	u32 value32, macctl;
 	u16 value16;
 
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
-			  B43legacy_SBF_CORE_READY
-			  | B43legacy_SBF_400);
+	/* Initialize the MAC control */
+	macctl = B43legacy_MACCTL_IHR_ENABLED | B43legacy_MACCTL_SHM_ENABLED;
+	if (dev->phy.gmode)
+		macctl |= B43legacy_MACCTL_GMODE;
+	macctl |= B43legacy_MACCTL_INFRA;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
 
 	err = b43legacy_request_firmware(dev);
 	if (err)
@@ -2052,12 +2081,12 @@
 	if (dev->dev->id.revision < 5)
 		b43legacy_write32(dev, 0x010C, 0x01000000);
 
-	value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	value32 &= ~B43legacy_SBF_MODE_NOTADHOC;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32);
-	value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	value32 |= B43legacy_SBF_MODE_NOTADHOC;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32);
+	value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	value32 &= ~B43legacy_MACCTL_INFRA;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32);
+	value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	value32 |= B43legacy_MACCTL_INFRA;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32);
 
 	if (b43legacy_using_pio(dev)) {
 		b43legacy_write32(dev, 0x0210, 0x00000100);
@@ -2951,12 +2980,19 @@
 {
 	struct b43legacy_wl *wl = dev->wl;
 	struct b43legacy_phy *phy = &dev->phy;
+	u32 macctl;
 
 	B43legacy_WARN_ON(b43legacy_status(dev) > B43legacy_STAT_INITIALIZED);
 	if (b43legacy_status(dev) != B43legacy_STAT_INITIALIZED)
 		return;
 	b43legacy_set_status(dev, B43legacy_STAT_UNINIT);
 
+	/* Stop the microcode PSM. */
+	macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	macctl &= ~B43legacy_MACCTL_PSM_RUN;
+	macctl |= B43legacy_MACCTL_PSM_JMP0;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+
 	mutex_unlock(&wl->mutex);
 	/* Must unlock as it would otherwise deadlock. No races here.
 	 * Cancel possibly pending workqueues. */
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c
index c16febb..8e5c09b 100644
--- a/drivers/net/wireless/b43legacy/phy.c
+++ b/drivers/net/wireless/b43legacy/phy.c
@@ -140,7 +140,7 @@
 {
 	struct b43legacy_phy *phy = &dev->phy;
 
-	b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); /* Dummy read. */
+	b43legacy_read32(dev, B43legacy_MMIO_MACCTL); /* Dummy read. */
 	if (phy->calibrated)
 		return;
 	if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) {
@@ -2231,16 +2231,16 @@
 		 *	or the latest PS-Poll packet sent was successful,
 		 *	set bit26  */
 	}
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
 	if (bit25)
-		status |= B43legacy_SBF_PS1;
+		status |= B43legacy_MACCTL_HWPS;
 	else
-		status &= ~B43legacy_SBF_PS1;
+		status &= ~B43legacy_MACCTL_HWPS;
 	if (bit26)
-		status |= B43legacy_SBF_PS2;
+		status |= B43legacy_MACCTL_AWAKE;
 	else
-		status &= ~B43legacy_SBF_PS2;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+		status &= ~B43legacy_MACCTL_AWAKE;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
 	if (bit26 && dev->dev->id.revision >= 5) {
 		for (i = 0; i < 100; i++) {
 			if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c
index de843ac..e4f4c5c 100644
--- a/drivers/net/wireless/b43legacy/pio.c
+++ b/drivers/net/wireless/b43legacy/pio.c
@@ -334,9 +334,9 @@
 	tasklet_init(&queue->txtask, tx_tasklet,
 		     (unsigned long)queue);
 
-	value = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	value &= ~B43legacy_SBF_XFER_REG_BYTESWAP;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value);
+	value = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	value &= ~B43legacy_MACCTL_BE;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value);
 
 	qsize = b43legacy_read16(dev, queue->mmio_base
 				 + B43legacy_PIO_TXQBUFSIZE);
diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c
index 318a270..955832e 100644
--- a/drivers/net/wireless/b43legacy/radio.c
+++ b/drivers/net/wireless/b43legacy/radio.c
@@ -91,10 +91,10 @@
 {
 	u32 status;
 
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	B43legacy_WARN_ON(status & B43legacy_SBF_RADIOREG_LOCK);
-	status |= B43legacy_SBF_RADIOREG_LOCK;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	B43legacy_WARN_ON(status & B43legacy_MACCTL_RADIOLOCK);
+	status |= B43legacy_MACCTL_RADIOLOCK;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
 	mmiowb();
 	udelay(10);
 }
@@ -104,10 +104,10 @@
 	u32 status;
 
 	b43legacy_read16(dev, B43legacy_MMIO_PHY_VER); /* dummy read */
-	status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
-	B43legacy_WARN_ON(!(status & B43legacy_SBF_RADIOREG_LOCK));
-	status &= ~B43legacy_SBF_RADIOREG_LOCK;
-	b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+	status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+	B43legacy_WARN_ON(!(status & B43legacy_MACCTL_RADIOLOCK));
+	status &= ~B43legacy_MACCTL_RADIOLOCK;
+	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
 	mmiowb();
 }