net/bnxt: remove duplicate barrier

As there is an inclusive rte_io_wmb within the following rte_write32()
API who rings the doorbell, this makes the above rte_wmb unnecessary and
remove it.

Fixes: 1cd45aeb3270 ("net/bnxt: support Stratus VF device")
Cc: stable@dpdk.org
Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Phil Yang <phil.yang@arm.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 174dc75..e73d8ed 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -127,9 +127,6 @@ static int bnxt_hwrm_send_message(struct bnxt *bp, void *msg,
                data = (uint32_t *)&short_input;
                msg_len = sizeof(short_input);
 
-               /* Sync memory write before updating doorbell */
-               rte_wmb();
-
                max_req_len = BNXT_HWRM_SHORT_REQ_LEN;
        }