Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5250703e3144e50fbeceb4d1fc01ea2fd159fd4a
Commit:     5250703e3144e50fbeceb4d1fc01ea2fd159fd4a
Parent:     424047e6c684bef2872bd7af7d0e3961c6503981
Author:     Michael Buesch <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 9 18:39:09 2008 +0100
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 15:09:32 2008 -0800

    b43: Fix PHY register routing
    
    This fixes the PHY routing bit handling.
    This is needed for N-PHY.
    No functional change to A-PHY and G-PHY code.
    
    Signed-off-by: Michael Buesch <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
 drivers/net/wireless/b43/lo.c  |   64 +++++++++---------
 drivers/net/wireless/b43/phy.c |  151 +++++++++++++++++++++++----------------
 drivers/net/wireless/b43/phy.h |   44 ++++++-----
 3 files changed, 145 insertions(+), 114 deletions(-)

diff --git a/drivers/net/wireless/b43/lo.c b/drivers/net/wireless/b43/lo.c
index 88f35e6..d890f36 100644
--- a/drivers/net/wireless/b43/lo.c
+++ b/drivers/net/wireless/b43/lo.c
@@ -555,20 +555,20 @@ struct lo_g_saved_values {
        u16 phy_extg_01;
        u16 phy_dacctl_hwpctl;
        u16 phy_dacctl;
-       u16 phy_base_14;
+       u16 phy_cck_14;
        u16 phy_hpwr_tssictl;
        u16 phy_analogover;
        u16 phy_analogoverval;
        u16 phy_rfover;
        u16 phy_rfoverval;
        u16 phy_classctl;
-       u16 phy_base_3E;
+       u16 phy_cck_3E;
        u16 phy_crs0;
        u16 phy_pgactl;
-       u16 phy_base_2A;
+       u16 phy_cck_2A;
        u16 phy_syncctl;
-       u16 phy_base_30;
-       u16 phy_base_06;
+       u16 phy_cck_30;
+       u16 phy_cck_06;
 
        /* Radio registers */
        u16 radio_43;
@@ -588,7 +588,7 @@ static void lo_measure_setup(struct b43_wldev *dev,
                sav->phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
                sav->phy_extg_01 = b43_phy_read(dev, B43_PHY_EXTG(0x01));
                sav->phy_dacctl_hwpctl = b43_phy_read(dev, B43_PHY_DACCTL);
-               sav->phy_base_14 = b43_phy_read(dev, B43_PHY_BASE(0x14));
+               sav->phy_cck_14 = b43_phy_read(dev, B43_PHY_CCK(0x14));
                sav->phy_hpwr_tssictl = b43_phy_read(dev, B43_PHY_HPWR_TSSICTL);
 
                b43_phy_write(dev, B43_PHY_HPWR_TSSICTL,
@@ -600,14 +600,14 @@ static void lo_measure_setup(struct b43_wldev *dev,
                b43_phy_write(dev, B43_PHY_DACCTL,
                              b43_phy_read(dev, B43_PHY_DACCTL)
                              | 0x40);
-               b43_phy_write(dev, B43_PHY_BASE(0x14),
-                             b43_phy_read(dev, B43_PHY_BASE(0x14))
+               b43_phy_write(dev, B43_PHY_CCK(0x14),
+                             b43_phy_read(dev, B43_PHY_CCK(0x14))
                              | 0x200);
        }
        if (phy->type == B43_PHYTYPE_B &&
            phy->radio_ver == 0x2050 && phy->radio_rev < 6) {
-               b43_phy_write(dev, B43_PHY_BASE(0x16), 0x410);
-               b43_phy_write(dev, B43_PHY_BASE(0x17), 0x820);
+               b43_phy_write(dev, B43_PHY_CCK(0x16), 0x410);
+               b43_phy_write(dev, B43_PHY_CCK(0x17), 0x820);
        }
        if (!lo->rebuild && b43_has_hardware_pctl(phy))
                lo_read_power_vector(dev);
@@ -618,7 +618,7 @@ static void lo_measure_setup(struct b43_wldev *dev,
                sav->phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
                sav->phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
                sav->phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
-               sav->phy_base_3E = b43_phy_read(dev, B43_PHY_BASE(0x3E));
+               sav->phy_cck_3E = b43_phy_read(dev, B43_PHY_CCK(0x3E));
                sav->phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
 
                b43_phy_write(dev, B43_PHY_CLASSCTL,
@@ -642,14 +642,14 @@ static void lo_measure_setup(struct b43_wldev *dev,
                } else {
                        b43_phy_write(dev, B43_PHY_RFOVER, 0);
                }
-               b43_phy_write(dev, B43_PHY_BASE(0x3E), 0);
+               b43_phy_write(dev, B43_PHY_CCK(0x3E), 0);
        }
        sav->reg_3F4 = b43_read16(dev, 0x3F4);
        sav->reg_3E2 = b43_read16(dev, 0x3E2);
        sav->radio_43 = b43_radio_read16(dev, 0x43);
        sav->radio_7A = b43_radio_read16(dev, 0x7A);
        sav->phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
-       sav->phy_base_2A = b43_phy_read(dev, B43_PHY_BASE(0x2A));
+       sav->phy_cck_2A = b43_phy_read(dev, B43_PHY_CCK(0x2A));
        sav->phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
        sav->phy_dacctl = b43_phy_read(dev, B43_PHY_DACCTL);
 
@@ -658,10 +658,10 @@ static void lo_measure_setup(struct b43_wldev *dev,
                sav->radio_52 &= 0x00F0;
        }
        if (phy->type == B43_PHYTYPE_B) {
-               sav->phy_base_30 = b43_phy_read(dev, B43_PHY_BASE(0x30));
-               sav->phy_base_06 = b43_phy_read(dev, B43_PHY_BASE(0x06));
-               b43_phy_write(dev, B43_PHY_BASE(0x30), 0x00FF);
-               b43_phy_write(dev, B43_PHY_BASE(0x06), 0x3F3F);
+               sav->phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
+               sav->phy_cck_06 = b43_phy_read(dev, B43_PHY_CCK(0x06));
+               b43_phy_write(dev, B43_PHY_CCK(0x30), 0x00FF);
+               b43_phy_write(dev, B43_PHY_CCK(0x06), 0x3F3F);
        } else {
                b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2)
                            | 0x8000);
@@ -670,7 +670,7 @@ static void lo_measure_setup(struct b43_wldev *dev,
                    & 0xF000);
 
        tmp =
-           (phy->type == B43_PHYTYPE_G) ? B43_PHY_LO_MASK : B43_PHY_BASE(0x2E);
+           (phy->type == B43_PHYTYPE_G) ? B43_PHY_LO_MASK : B43_PHY_CCK(0x2E);
        b43_phy_write(dev, tmp, 0x007F);
 
        tmp = sav->phy_syncctl;
@@ -678,26 +678,26 @@ static void lo_measure_setup(struct b43_wldev *dev,
        tmp = sav->radio_7A;
        b43_radio_write16(dev, 0x007A, tmp & 0xFFF0);
 
-       b43_phy_write(dev, B43_PHY_BASE(0x2A), 0x8A3);
+       b43_phy_write(dev, B43_PHY_CCK(0x2A), 0x8A3);
        if (phy->type == B43_PHYTYPE_G ||
            (phy->type == B43_PHYTYPE_B &&
             phy->radio_ver == 0x2050 && phy->radio_rev >= 6)) {
-               b43_phy_write(dev, B43_PHY_BASE(0x2B), 0x1003);
+               b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1003);
        } else
-               b43_phy_write(dev, B43_PHY_BASE(0x2B), 0x0802);
+               b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x0802);
        if (phy->rev >= 2)
                b43_dummy_transmission(dev);
        b43_radio_selectchannel(dev, 6, 0);
        b43_radio_read16(dev, 0x51);    /* dummy read */
        if (phy->type == B43_PHYTYPE_G)
-               b43_phy_write(dev, B43_PHY_BASE(0x2F), 0);
+               b43_phy_write(dev, B43_PHY_CCK(0x2F), 0);
        if (lo->rebuild)
                lo_measure_txctl_values(dev);
        if (phy->type == B43_PHYTYPE_G && phy->rev >= 3) {
                b43_phy_write(dev, B43_PHY_LO_MASK, 0xC078);
        } else {
                if (phy->type == B43_PHYTYPE_B)
-                       b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x8078);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8078);
                else
                        b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
        }
@@ -732,17 +732,17 @@ static void lo_measure_restore(struct b43_wldev *dev,
        }
        if (phy->type == B43_PHYTYPE_G) {
                if (phy->rev >= 3)
-                       b43_phy_write(dev, B43_PHY_BASE(0x2E), 0xC078);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2E), 0xC078);
                else
-                       b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x8078);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8078);
                if (phy->rev >= 2)
-                       b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x0202);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x0202);
                else
-                       b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x0101);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x0101);
        }
        b43_write16(dev, 0x3F4, sav->reg_3F4);
        b43_phy_write(dev, B43_PHY_PGACTL, sav->phy_pgactl);
-       b43_phy_write(dev, B43_PHY_BASE(0x2A), sav->phy_base_2A);
+       b43_phy_write(dev, B43_PHY_CCK(0x2A), sav->phy_cck_2A);
        b43_phy_write(dev, B43_PHY_SYNCCTL, sav->phy_syncctl);
        b43_phy_write(dev, B43_PHY_DACCTL, sav->phy_dacctl);
        b43_radio_write16(dev, 0x43, sav->radio_43);
@@ -755,8 +755,8 @@ static void lo_measure_restore(struct b43_wldev *dev,
        b43_write16(dev, 0x3E2, sav->reg_3E2);
        if (phy->type == B43_PHYTYPE_B &&
            phy->radio_ver == 0x2050 && phy->radio_rev <= 5) {
-               b43_phy_write(dev, B43_PHY_BASE(0x30), sav->phy_base_30);
-               b43_phy_write(dev, B43_PHY_BASE(0x06), sav->phy_base_06);
+               b43_phy_write(dev, B43_PHY_CCK(0x30), sav->phy_cck_30);
+               b43_phy_write(dev, B43_PHY_CCK(0x06), sav->phy_cck_06);
        }
        if (phy->rev >= 2) {
                b43_phy_write(dev, B43_PHY_ANALOGOVER, sav->phy_analogover);
@@ -765,7 +765,7 @@ static void lo_measure_restore(struct b43_wldev *dev,
                b43_phy_write(dev, B43_PHY_CLASSCTL, sav->phy_classctl);
                b43_phy_write(dev, B43_PHY_RFOVER, sav->phy_rfover);
                b43_phy_write(dev, B43_PHY_RFOVERVAL, sav->phy_rfoverval);
-               b43_phy_write(dev, B43_PHY_BASE(0x3E), sav->phy_base_3E);
+               b43_phy_write(dev, B43_PHY_CCK(0x3E), sav->phy_cck_3E);
                b43_phy_write(dev, B43_PHY_CRS0, sav->phy_crs0);
        }
        if (b43_has_hardware_pctl(phy)) {
@@ -773,7 +773,7 @@ static void lo_measure_restore(struct b43_wldev *dev,
                b43_phy_write(dev, B43_PHY_LO_MASK, tmp);
                b43_phy_write(dev, B43_PHY_EXTG(0x01), sav->phy_extg_01);
                b43_phy_write(dev, B43_PHY_DACCTL, sav->phy_dacctl_hwpctl);
-               b43_phy_write(dev, B43_PHY_BASE(0x14), sav->phy_base_14);
+               b43_phy_write(dev, B43_PHY_CCK(0x14), sav->phy_cck_14);
                b43_phy_write(dev, B43_PHY_HPWR_TSSICTL, sav->phy_hpwr_tssictl);
        }
        b43_radio_selectchannel(dev, sav->old_channel, 1);
diff --git a/drivers/net/wireless/b43/phy.c b/drivers/net/wireless/b43/phy.c
index b544f7f..67b8a92 100644
--- a/drivers/net/wireless/b43/phy.c
+++ b/drivers/net/wireless/b43/phy.c
@@ -274,15 +274,30 @@ static inline u16 adjust_phyreg_for_phytype(struct 
b43_phy *phy,
 {
        if (phy->type == B43_PHYTYPE_A) {
                /* OFDM registers are base-registers for the A-PHY. */
-               offset &= ~B43_PHYROUTE_OFDM_GPHY;
+               if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
+                       offset &= ~B43_PHYROUTE;
+                       offset |= B43_PHYROUTE_BASE;
+               }
        }
-       if (offset & B43_PHYROUTE_EXT_GPHY) {
+
+#if B43_DEBUG
+       if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
                /* Ext-G registers are only available on G-PHYs */
                if (phy->type != B43_PHYTYPE_G) {
-                       b43dbg(dev->wl, "EXT-G PHY access at "
-                              "0x%04X on %u type PHY\n", offset, phy->type);
+                       b43err(dev->wl, "Invalid EXT-G PHY access at "
+                              "0x%04X on PHY type %u\n", offset, phy->type);
+                       dump_stack();
+               }
+       }
+       if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
+               /* N-BMODE registers are only available on N-PHYs */
+               if (phy->type != B43_PHYTYPE_N) {
+                       b43err(dev->wl, "Invalid N-BMODE PHY access at "
+                              "0x%04X on PHY type %u\n", offset, phy->type);
+                       dump_stack();
                }
        }
+#endif /* B43_DEBUG */
 
        return offset;
 }
@@ -302,7 +317,6 @@ void b43_phy_write(struct b43_wldev *dev, u16 offset, u16 
val)
 
        offset = adjust_phyreg_for_phytype(phy, offset, dev);
        b43_write16(dev, B43_MMIO_PHY_CONTROL, offset);
-       mmiowb();
        b43_write16(dev, B43_MMIO_PHY_DATA, val);
 }
 
@@ -1273,14 +1287,14 @@ static void b43_calc_loopback_gain(struct b43_wldev 
*dev)
                backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
                backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
        }
-       backup_phy[6] = b43_phy_read(dev, B43_PHY_BASE(0x5A));
-       backup_phy[7] = b43_phy_read(dev, B43_PHY_BASE(0x59));
-       backup_phy[8] = b43_phy_read(dev, B43_PHY_BASE(0x58));
-       backup_phy[9] = b43_phy_read(dev, B43_PHY_BASE(0x0A));
-       backup_phy[10] = b43_phy_read(dev, B43_PHY_BASE(0x03));
+       backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A));
+       backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59));
+       backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58));
+       backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A));
+       backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03));
        backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
        backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
-       backup_phy[13] = b43_phy_read(dev, B43_PHY_BASE(0x2B));
+       backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B));
        backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
        backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
        backup_bband = phy->bbatt.att;
@@ -1322,12 +1336,12 @@ static void b43_calc_loopback_gain(struct b43_wldev 
*dev)
                      (b43_phy_read(dev, B43_PHY_RFOVERVAL)
                       & 0xFFCF) | 0x10);
 
-       b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0780);
-       b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810);
-       b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D);
+       b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780);
+       b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
+       b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
 
-       b43_phy_write(dev, B43_PHY_BASE(0x0A),
-                     b43_phy_read(dev, B43_PHY_BASE(0x0A)) | 0x2000);
+       b43_phy_write(dev, B43_PHY_CCK(0x0A),
+                     b43_phy_read(dev, B43_PHY_CCK(0x0A)) | 0x2000);
        if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC 
machine check */
                b43_phy_write(dev, B43_PHY_ANALOGOVER,
                              b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0004);
@@ -1335,8 +1349,8 @@ static void b43_calc_loopback_gain(struct b43_wldev *dev)
                              b43_phy_read(dev,
                                           B43_PHY_ANALOGOVERVAL) & 0xFFFB);
        }
-       b43_phy_write(dev, B43_PHY_BASE(0x03),
-                     (b43_phy_read(dev, B43_PHY_BASE(0x03))
+       b43_phy_write(dev, B43_PHY_CCK(0x03),
+                     (b43_phy_read(dev, B43_PHY_CCK(0x03))
                       & 0xFF9F) | 0x40);
 
        if (phy->radio_rev == 8) {
@@ -1354,11 +1368,11 @@ static void b43_calc_loopback_gain(struct b43_wldev 
*dev)
                b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
        b43_phy_write(dev, B43_PHY_LO_CTL, 0);
 
-       b43_phy_write(dev, B43_PHY_BASE(0x2B),
-                     (b43_phy_read(dev, B43_PHY_BASE(0x2B))
+       b43_phy_write(dev, B43_PHY_CCK(0x2B),
+                     (b43_phy_read(dev, B43_PHY_CCK(0x2B))
                       & 0xFFC0) | 0x01);
-       b43_phy_write(dev, B43_PHY_BASE(0x2B),
-                     (b43_phy_read(dev, B43_PHY_BASE(0x2B))
+       b43_phy_write(dev, B43_PHY_CCK(0x2B),
+                     (b43_phy_read(dev, B43_PHY_CCK(0x2B))
                       & 0xC0FF) | 0x800);
 
        b43_phy_write(dev, B43_PHY_RFOVER,
@@ -1429,14 +1443,14 @@ static void b43_calc_loopback_gain(struct b43_wldev 
*dev)
                b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]);
                b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]);
        }
-       b43_phy_write(dev, B43_PHY_BASE(0x5A), backup_phy[6]);
-       b43_phy_write(dev, B43_PHY_BASE(0x59), backup_phy[7]);
-       b43_phy_write(dev, B43_PHY_BASE(0x58), backup_phy[8]);
-       b43_phy_write(dev, B43_PHY_BASE(0x0A), backup_phy[9]);
-       b43_phy_write(dev, B43_PHY_BASE(0x03), backup_phy[10]);
+       b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]);
+       b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]);
+       b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]);
+       b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]);
+       b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]);
        b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]);
        b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]);
-       b43_phy_write(dev, B43_PHY_BASE(0x2B), backup_phy[13]);
+       b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]);
        b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]);
 
        b43_phy_set_baseband_attenuation(dev, backup_bband);
@@ -1528,19 +1542,19 @@ static void b43_phy_initg(struct b43_wldev *dev)
                                          | phy->lo_control->tx_bias);
                }
                if (phy->rev >= 6) {
-                       b43_phy_write(dev, B43_PHY_BASE(0x36),
-                                     (b43_phy_read(dev, B43_PHY_BASE(0x36))
+                       b43_phy_write(dev, B43_PHY_CCK(0x36),
+                                     (b43_phy_read(dev, B43_PHY_CCK(0x36))
                                       & 0x0FFF) | (phy->lo_control->
                                                    tx_bias << 12));
                }
                if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)
-                       b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x8075);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075);
                else
-                       b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x807F);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F);
                if (phy->rev < 2)
-                       b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x101);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101);
                else
-                       b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x202);
+                       b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202);
        }
        if (phy->gmode || phy->rev >= 2) {
                b43_lo_g_adjust(dev);
@@ -2168,9 +2182,12 @@ u16 b43_radio_read16(struct b43_wldev *dev, u16 offset)
 {
        struct b43_phy *phy = &dev->phy;
 
+       /* Offset 1 is a 32-bit register. */
+       B43_WARN_ON(offset == 1);
+
        switch (phy->type) {
        case B43_PHYTYPE_A:
-               offset |= 0x0040;
+               offset |= 0x40;
                break;
        case B43_PHYTYPE_B:
                if (phy->radio_ver == 0x2053) {
@@ -2186,6 +2203,14 @@ u16 b43_radio_read16(struct b43_wldev *dev, u16 offset)
        case B43_PHYTYPE_G:
                offset |= 0x80;
                break;
+       case B43_PHYTYPE_N:
+               offset |= 0x100;
+               break;
+       case B43_PHYTYPE_LP:
+               /* No adjustment required. */
+               break;
+       default:
+               B43_WARN_ON(1);
        }
 
        b43_write16(dev, B43_MMIO_RADIO_CONTROL, offset);
@@ -2194,8 +2219,10 @@ u16 b43_radio_read16(struct b43_wldev *dev, u16 offset)
 
 void b43_radio_write16(struct b43_wldev *dev, u16 offset, u16 val)
 {
+       /* Offset 1 is a 32-bit register. */
+       B43_WARN_ON(offset == 1);
+
        b43_write16(dev, B43_MMIO_RADIO_CONTROL, offset);
-       mmiowb();
        b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, val);
 }
 
@@ -3480,10 +3507,10 @@ struct init2050_saved_values {
        u16 radio_52;
        /* PHY registers */
        u16 phy_pgactl;
-       u16 phy_base_5A;
-       u16 phy_base_59;
-       u16 phy_base_58;
-       u16 phy_base_30;
+       u16 phy_cck_5A;
+       u16 phy_cck_59;
+       u16 phy_cck_58;
+       u16 phy_cck_30;
        u16 phy_rfover;
        u16 phy_rfoverval;
        u16 phy_analogover;
@@ -3511,15 +3538,15 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
        sav.radio_51 = b43_radio_read16(dev, 0x51);
        sav.radio_52 = b43_radio_read16(dev, 0x52);
        sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
-       sav.phy_base_5A = b43_phy_read(dev, B43_PHY_BASE(0x5A));
-       sav.phy_base_59 = b43_phy_read(dev, B43_PHY_BASE(0x59));
-       sav.phy_base_58 = b43_phy_read(dev, B43_PHY_BASE(0x58));
+       sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A));
+       sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59));
+       sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58));
 
        if (phy->type == B43_PHYTYPE_B) {
-               sav.phy_base_30 = b43_phy_read(dev, B43_PHY_BASE(0x30));
+               sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
                sav.reg_3EC = b43_read16(dev, 0x3EC);
 
-               b43_phy_write(dev, B43_PHY_BASE(0x30), 0xFF);
+               b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF);
                b43_write16(dev, 0x3EC, 0x3F3F);
        } else if (phy->gmode || phy->rev >= 2) {
                sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
@@ -3570,8 +3597,8 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
                b43_write16(dev, 0x03E6, 0x0122);
        } else {
                if (phy->analog >= 2) {
-                       b43_phy_write(dev, B43_PHY_BASE(0x03),
-                                     (b43_phy_read(dev, B43_PHY_BASE(0x03))
+                       b43_phy_write(dev, B43_PHY_CCK(0x03),
+                                     (b43_phy_read(dev, B43_PHY_CCK(0x03))
                                       & 0xFFBF) | 0x40);
                }
                b43_write16(dev, B43_MMIO_CHANNEL_EXT,
@@ -3588,7 +3615,7 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
                                                   LPD(0, 1, 1)));
        }
        b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
-       b43_phy_write(dev, B43_PHY_BASE(0x2B), 0x1403);
+       b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403);
        if (phy->gmode || phy->rev >= 2) {
                b43_phy_write(dev, B43_PHY_RFOVERVAL,
                              radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
@@ -3604,12 +3631,12 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
                b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
                                              & 0xFFF0) | 0x0009);
        }
-       b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
+       b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
 
        for (i = 0; i < 16; i++) {
-               b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0480);
-               b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810);
-               b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D);
+               b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480);
+               b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
+               b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
                if (phy->gmode || phy->rev >= 2) {
                        b43_phy_write(dev, B43_PHY_RFOVERVAL,
                                      radio2050_rfover_val(dev,
@@ -3635,7 +3662,7 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
                b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
                udelay(20);
                tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
-               b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
+               b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
                if (phy->gmode || phy->rev >= 2) {
                        b43_phy_write(dev, B43_PHY_RFOVERVAL,
                                      radio2050_rfover_val(dev,
@@ -3646,7 +3673,7 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
        }
        udelay(10);
 
-       b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
+       b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
        tmp1++;
        tmp1 >>= 9;
 
@@ -3655,9 +3682,9 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
                b43_radio_write16(dev, 0x78, radio78);
                udelay(10);
                for (j = 0; j < 16; j++) {
-                       b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0D80);
-                       b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810);
-                       b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D);
+                       b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80);
+                       b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
+                       b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
                        if (phy->gmode || phy->rev >= 2) {
                                b43_phy_write(dev, B43_PHY_RFOVERVAL,
                                              radio2050_rfover_val(dev,
@@ -3686,7 +3713,7 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
                        b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
                        udelay(10);
                        tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
-                       b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
+                       b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
                        if (phy->gmode || phy->rev >= 2) {
                                b43_phy_write(dev, B43_PHY_RFOVERVAL,
                                              radio2050_rfover_val(dev,
@@ -3707,16 +3734,16 @@ u16 b43_radio_init2050(struct b43_wldev *dev)
        b43_radio_write16(dev, 0x51, sav.radio_51);
        b43_radio_write16(dev, 0x52, sav.radio_52);
        b43_radio_write16(dev, 0x43, sav.radio_43);
-       b43_phy_write(dev, B43_PHY_BASE(0x5A), sav.phy_base_5A);
-       b43_phy_write(dev, B43_PHY_BASE(0x59), sav.phy_base_59);
-       b43_phy_write(dev, B43_PHY_BASE(0x58), sav.phy_base_58);
+       b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A);
+       b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59);
+       b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58);
        b43_write16(dev, 0x3E6, sav.reg_3E6);
        if (phy->analog != 0)
                b43_write16(dev, 0x3F4, sav.reg_3F4);
        b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
        b43_synth_pu_workaround(dev, phy->channel);
        if (phy->type == B43_PHYTYPE_B) {
-               b43_phy_write(dev, B43_PHY_BASE(0x30), sav.phy_base_30);
+               b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30);
                b43_write16(dev, 0x3EC, sav.reg_3EC);
        } else if (phy->gmode) {
                b43_write16(dev, B43_MMIO_PHY_RADIO,
diff --git a/drivers/net/wireless/b43/phy.h b/drivers/net/wireless/b43/phy.h
index 5d09fb1..4ee01d5 100644
--- a/drivers/net/wireless/b43/phy.h
+++ b/drivers/net/wireless/b43/phy.h
@@ -9,17 +9,21 @@ struct b43_phy;
 /*** PHY Registers ***/
 
 /* Routing */
-#define B43_PHYROUTE_OFDM_GPHY         0x0400 /* OFDM register routing for 
G-PHYs */
-#define B43_PHYROUTE_EXT_GPHY          0x0800 /* Extended G-PHY registers */
-#define B43_PHYROUTE_N_BMODE           0x3000 /* N-PHY BMODE registers */
-
-/* Base registers. */
-#define B43_PHY_BASE(reg)              (reg)
+#define B43_PHYROUTE                   0x0C00 /* PHY register routing bits 
mask */
+#define  B43_PHYROUTE_BASE             0x0000 /* Base registers */
+#define  B43_PHYROUTE_OFDM_GPHY                0x0400 /* OFDM register routing 
for G-PHYs */
+#define  B43_PHYROUTE_EXT_GPHY         0x0800 /* Extended G-PHY registers */
+#define  B43_PHYROUTE_N_BMODE          0x0C00 /* N-PHY BMODE registers */
+
+/* CCK (B-PHY) registers. */
+#define B43_PHY_CCK(reg)               ((reg) | B43_PHYROUTE_BASE)
 /* N-PHY registers. */
-#define B43_PHY_N(reg)                 (reg)
-/* OFDM (A) registers of a G-PHY */
+#define B43_PHY_N(reg)                 ((reg) | B43_PHYROUTE_BASE)
+/* N-PHY BMODE registers. */
+#define B43_PHY_N_BMODE(reg)           ((reg) | B43_PHYROUTE_N_BMODE)
+/* OFDM (A-PHY) registers. */
 #define B43_PHY_OFDM(reg)              ((reg) | B43_PHYROUTE_OFDM_GPHY)
-/* Extended G-PHY registers */
+/* Extended G-PHY registers. */
 #define B43_PHY_EXTG(reg)              ((reg) | B43_PHYROUTE_EXT_GPHY)
 
 /* OFDM (A) PHY Registers */
@@ -79,20 +83,20 @@ struct b43_phy;
 #define B43_PHY_GAIN_LTBASE            B43_PHY_OFDM(0x3C0)     /* Gain lookup 
table base */
 
 /* CCK (B) PHY Registers */
-#define B43_PHY_VERSION_CCK            B43_PHY_BASE(0x00)      /* Versioning 
register for B-PHY */
-#define B43_PHY_CCKBBANDCFG            B43_PHY_BASE(0x01)      /* Contains 
antenna 0/1 control bit */
-#define B43_PHY_PGACTL                 B43_PHY_BASE(0x15)      /* PGA control 
*/
+#define B43_PHY_VERSION_CCK            B43_PHY_CCK(0x00)       /* Versioning 
register for B-PHY */
+#define B43_PHY_CCKBBANDCFG            B43_PHY_CCK(0x01)       /* Contains 
antenna 0/1 control bit */
+#define B43_PHY_PGACTL                 B43_PHY_CCK(0x15)       /* PGA control 
*/
 #define  B43_PHY_PGACTL_LPF            0x1000  /* Low pass filter (?) */
 #define  B43_PHY_PGACTL_LOWBANDW       0x0040  /* Low bandwidth flag */
 #define  B43_PHY_PGACTL_UNKNOWN                0xEFA0
-#define B43_PHY_FBCTL1                 B43_PHY_BASE(0x18)      /* Frequency 
bandwidth control 1 */
-#define B43_PHY_ITSSI                  B43_PHY_BASE(0x29)      /* Idle TSSI */
-#define B43_PHY_LO_LEAKAGE             B43_PHY_BASE(0x2D)      /* Measured LO 
leakage */
-#define B43_PHY_ENERGY                 B43_PHY_BASE(0x33)      /* Energy */
-#define B43_PHY_SYNCCTL                        B43_PHY_BASE(0x35)
-#define B43_PHY_FBCTL2                 B43_PHY_BASE(0x38)      /* Frequency 
bandwidth control 2 */
-#define B43_PHY_DACCTL                 B43_PHY_BASE(0x60)      /* DAC control 
*/
-#define B43_PHY_RCCALOVER              B43_PHY_BASE(0x78)      /* RC 
calibration override */
+#define B43_PHY_FBCTL1                 B43_PHY_CCK(0x18)       /* Frequency 
bandwidth control 1 */
+#define B43_PHY_ITSSI                  B43_PHY_CCK(0x29)       /* Idle TSSI */
+#define B43_PHY_LO_LEAKAGE             B43_PHY_CCK(0x2D)       /* Measured LO 
leakage */
+#define B43_PHY_ENERGY                 B43_PHY_CCK(0x33)       /* Energy */
+#define B43_PHY_SYNCCTL                        B43_PHY_CCK(0x35)
+#define B43_PHY_FBCTL2                 B43_PHY_CCK(0x38)       /* Frequency 
bandwidth control 2 */
+#define B43_PHY_DACCTL                 B43_PHY_CCK(0x60)       /* DAC control 
*/
+#define B43_PHY_RCCALOVER              B43_PHY_CCK(0x78)       /* RC 
calibration override */
 
 /* Extended G-PHY Registers */
 #define B43_PHY_CLASSCTL               B43_PHY_EXTG(0x02)      /* Classify 
control */
-
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