B43_SHM_SH_HOSTF1
ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1, lo);
if (b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1)