[dpdk-dev] [PATCH v2 4/5] net/bnxt: replace with cio barrier for doorbell resp

[Gavin Hu]

To read the doorbell response, which is held in the host CIO memory,
rte_cio_rmb is sufficient.

Fixes: 804e746c7b73 ("net/bnxt: add hardware resource manager init code")
Cc: sta...@dpdk.org

Signed-off-by: Gavin Hu <gavin...@arm.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 1d9fb17..2d5dc00 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -138,7 +138,7 @@ static int bnxt_hwrm_send_message(struct bnxt *bp, void 
*msg,
        /* Poll for the valid bit */
        for (i = 0; i < HWRM_CMD_TIMEOUT; i++) {
                /* Sanity check on the resp->resp_len */
-               rte_rmb();
+               rte_cio_rmb();
                if (resp->resp_len && resp->resp_len <= bp->max_resp_len) {
                        /* Last byte of resp contains the valid key */
                        valid = (uint8_t *)resp + resp->resp_len - 1;
-- 
2.7.4