#define BCM43xx_SBTMSTATELOW_REJECT            0x02
 #define BCM43xx_SBTMSTATELOW_CLOCK             0x10000
 #define BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK  0x20000
+#define BCM43xx_SBTMSTATELOW_G_MODE_ENABLE     0x20000000
 
 /* sbtmstatehigh state flags */
 #define BCM43xx_SBTMSTATEHIGH_SERROR           0x00000001
 #define BCM43xx_SBTMSTATEHIGH_BUSY             0x00000004
 #define BCM43xx_SBTMSTATEHIGH_TIMEOUT          0x00000020
+#define BCM43xx_SBTMSTATEHIGH_G_PHY_AVAIL      0x00010000
+#define BCM43xx_SBTMSTATEHIGH_A_PHY_AVAIL      0x00020000
 #define BCM43xx_SBTMSTATEHIGH_COREFLAGS                0x1FFF0000
 #define BCM43xx_SBTMSTATEHIGH_DMA64BIT         0x10000000
 #define BCM43xx_SBTMSTATEHIGH_GATEDCLK         0x20000000
 
                                & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002));
        } else {
                if (connect_phy)
-                       flags |= 0x20000000;
+                       flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
                bcm43xx_phy_connect(bcm, connect_phy);
                bcm43xx_core_enable(bcm, flags);
                bcm43xx_write16(bcm, 0x03E6, 0x0000);
                u32 sbtmstatelow;
 
                sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
-               sbtmstatelow |= 0x20000000;
+               sbtmstatelow |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
                bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
        }
        err = wireless_core_up(bcm, 1);
 
 
        flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
        if (connect) {
-               if (!(flags & 0x00010000))
+               if (!(flags & BCM43xx_SBTMSTATEHIGH_G_PHY_AVAIL))
                        return -ENODEV;
                flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
-               flags |= (0x800 << 18);
+               flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
                bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
        } else {
-               if (!(flags & 0x00020000))
+               if (!(flags & BCM43xx_SBTMSTATEHIGH_A_PHY_AVAIL))
                        return -ENODEV;
                flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
-               flags &= ~(0x800 << 18);
+               flags &= ~BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
                bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
        }
 out: