NVM_ETK_SHIFT
if (nvm_ver.etk_id != ((NVM_VER_INVALID << NVM_ETK_SHIFT) |
nvm_ver->etk_id |= (etk_id_l << NVM_ETK_SHIFT);
nvm_ver->etk_id |= (etk_id_h << NVM_ETK_SHIFT);