From b2aae654a4794ef898ad33a179f341eb610f6b85 Mon Sep 17 00:00:00 2001
From: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Date: Mon, 5 Jul 2021 18:26:54 +0800
Subject: net: stmmac: add mutex lock to protect est parameters

Add a mutex lock to protect est structure parameters so that the
EST parameters can be updated by other threads.

Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/stmmac.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux')

diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index d5ae621d66ba..09157b8a5810 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -115,6 +115,7 @@ struct stmmac_axi {
 
 #define EST_GCL		1024
 struct stmmac_est {
+	struct mutex lock;
 	int enable;
 	u32 btr_offset[2];
 	u32 btr[2];
-- 
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