diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 9aad2ca3c11..bd4cb75b6ca 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -416,10 +416,10 @@ enum {
 
 /* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
 #define B43_TMSLOW_GMODE		0x20000000	/* G Mode Enable */
-#define B43_TMSLOW_PHYCLKSPEED		0x00C00000	/* PHY clock speed mask (N-PHY only) */
-#define  B43_TMSLOW_PHYCLKSPEED_40MHZ	0x00000000	/* 40 MHz PHY */
-#define  B43_TMSLOW_PHYCLKSPEED_80MHZ	0x00400000	/* 80 MHz PHY */
-#define  B43_TMSLOW_PHYCLKSPEED_160MHZ	0x00800000	/* 160 MHz PHY */
+#define B43_TMSLOW_PHY_BANDWIDTH	0x00C00000	/* PHY band width and clock speed mask (N-PHY only) */
+#define  B43_TMSLOW_PHY_BANDWIDTH_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
+#define  B43_TMSLOW_PHY_BANDWIDTH_20MHZ	0x00400000	/* 20 MHz bandwidth, 80 MHz PHY */
+#define  B43_TMSLOW_PHY_BANDWIDTH_40MHZ	0x00800000	/* 40 MHz bandwidth, 160 MHz PHY */
 #define B43_TMSLOW_PLLREFSEL		0x00200000	/* PLL Frequency Reference Select (rev >= 5) */
 #define B43_TMSLOW_MACPHYCLKEN		0x00100000	/* MAC PHY Clock Control Enable (rev >= 5) */
 #define B43_TMSLOW_PHYRESET		0x00080000	/* PHY Reset */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 9ae3f619e98..1aec160e3d2 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1150,12 +1150,8 @@ void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags)
 
 	flags |= B43_TMSLOW_PHYCLKEN;
 	flags |= B43_TMSLOW_PHYRESET;
-	if (dev->phy.type == B43_PHYTYPE_N) {
-		if (b43_channel_type_is_40mhz(dev->phy.channel_type))
-			flags |= B43_TMSLOW_PHYCLKSPEED_160MHZ;
-		else
-			flags |= B43_TMSLOW_PHYCLKSPEED_80MHZ;
-	}
+	if (dev->phy.type == B43_PHYTYPE_N)
+		flags |= B43_TMSLOW_PHY_BANDWIDTH_20MHZ; /* Make 20 MHz def */
 	ssb_device_enable(dev->dev, flags);
 	msleep(2);		/* Wait for the PLL to turn on. */