B43_PHY_CRS0
sav->phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
b43_phy_write(dev, B43_PHY_CRS0, sav->phy_crs0);
sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF);
b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]);
b43_phy_mask(dev, B43_PHY_CRS0, 0xBFFF);
b43_phy_maskset(dev, B43_PHY_CRS0, ~0x03C0, 0xD000);