@@ -210,8 +210,12 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans,
if (trans->cfg->mq_rx_supported)
iwl_write_prph(trans, RFH_Q_FRBDCB_WIDX(rxq->id),
rxq->write_actual);
- else
- iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual);
+ /*
+ * write to FH_RSCSR_CHNL0_WPTR register even in MQ as a W/A to
+ * hardware shadow registers bug - writing to RFH_Q_FRBDCB_WIDX will
+ * not wake the NIC.
+ */
+ iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual);
}
static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans)