This reverts a unintended change mad in commit.
commit 
4b006b11ca18995677c5f1cd03cc9c42fbe80693
Author: Arend van Spriel <arend@broadcom.com>
Date:   Thu Dec 8 15:06:54 2011 -0800
    brcm80211: smac: use bcma functions for register access in phy code
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 
        bcma_wflush16(pi->d11core, D11REGOFFS(phyregaddr), addr);
        bcma_write16(pi->d11core, D11REGOFFS(phyregdata), val);
        if (addr == 0x72)
-               (void)bcma_read16(pi->d11core, D11REGOFFS(phyversion));
+               (void)bcma_read16(pi->d11core, D11REGOFFS(phyregdata));
 #else
        bcma_write32(pi->d11core, D11REGOFFS(phyregaddr), addr | (val << 16));
        if (++pi->phy_wreg >= pi->phy_wreg_limit) {