From: Gavin Hu <gavin.hu@arm.com>
To: stable@dpdk.org
Cc: nd@arm.com
Subject: [dpdk-stable] [PATCH 17.11] net/bnxt: replace memory barrier for doorbell response
Date: Thu, 2 Jan 2020 15:20:13 +0800 [thread overview]
Message-ID: <1577949613-31889-1-git-send-email-gavin.hu@arm.com> (raw)
[ upstream commit 21ecbde99b2f0772d36eef8276a686f3135e5de9 ]
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")
Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.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 d2c800d..e5ba5c3 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -149,7 +149,7 @@ 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 */
--
2.7.4
next reply other threads:[~2020-01-02 7:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-02 7:20 Gavin Hu [this message]
2020-01-07 11:25 ` Luca Boccassi
2020-01-07 11:35 ` Luca Boccassi
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