REG_RQPN_CTRL_2
rtw_write32_set(rtwdev, REG_RQPN_CTRL_2, BIT_LD_RQPN);
bckp[bckp_idx].reg = REG_RQPN_CTRL_2;
bckp[bckp_idx].val = rtw_read32(rtwdev, REG_RQPN_CTRL_2) | BIT_LD_RQPN;
rtw_write32(rtwdev, REG_RQPN_CTRL_2, bckp[bckp_idx - 1].val);