diff mbox series

[v3,02/15] bus/fslmc: use dmb oshst for synchronization before I/O

Message ID 20220103100129.23965-3-nipun.gupta@nxp.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series features and fixes on NXP eth devices |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Nipun Gupta Jan. 3, 2022, 10:01 a.m. UTC 
  From: Nipun Gupta <nipun.gupta@nxp.com>

Outer Shareable Store (oshst) is sufficient for Data Memory
Barrier (dmb) when doing IO on the interface via QBMAN.

This will sync L3/DDR with the L1/L2 cached data.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
 drivers/bus/fslmc/qbman/include/compat.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/bus/fslmc/qbman/include/compat.h b/drivers/bus/fslmc/qbman/include/compat.h
index a4471a80af..ece5da5906 100644
--- a/drivers/bus/fslmc/qbman/include/compat.h
+++ b/drivers/bus/fslmc/qbman/include/compat.h
@@ -1,7 +1,7 @@ 
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 2008-2016 Freescale Semiconductor, Inc.
- * Copyright 2017 NXP
+ * Copyright 2017,2021 NXP
  *
  */
 
@@ -81,7 +81,7 @@  do { \
 #define __raw_readl(p)	(*(const volatile unsigned int *)(p))
 #define __raw_writel(v, p) {*(volatile unsigned int *)(p) = (v); }
 
-#define dma_wmb()		rte_smp_mb()
+#define dma_wmb()		rte_io_wmb()
 
 #define atomic_t                rte_atomic32_t
 #define atomic_read(v)          rte_atomic32_read(v)