diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 2fa1c050a14b4ca4c6a4c44960a1201f5e92089f..92cd8abeb41d7a069ea4c50fea6864ee987279f4 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -1592,6 +1592,10 @@ static void qed_ll2_post_rx_buffer_notify_fw(struct qed_hwfn *p_hwfn, cq_prod = qed_chain_get_prod_idx(&p_rx->rcq_chain); rx_prod.bd_prod = cpu_to_le16(bd_prod); rx_prod.cqe_prod = cpu_to_le16(cq_prod); + + /* Make sure chain element is updated before ringing the doorbell */ + dma_wmb(); + DIRECT_REG_WR(p_rx->set_prod_addr, *((u32 *)&rx_prod)); }