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Message-Id: <20191028195220.2371843-5-vivien.didelot@gmail.com>
Date:   Mon, 28 Oct 2019 15:52:17 -0400
From:   Vivien Didelot <vivien.didelot@...il.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>, netdev@...r.kernel.org
Subject: [PATCH net-next 4/7] net: dsa: remove the dst->ds array

Now that the DSA ports are listed in the switch fabric, there is
no need to store the dsa_switch structures from the drivers in the
fabric anymore. So get rid of the dst->ds static array.

Signed-off-by: Vivien Didelot <vivien.didelot@...il.com>
---
 include/net/dsa.h | 5 -----
 net/dsa/dsa2.c    | 7 -------
 2 files changed, 12 deletions(-)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 2c9eb18e34e7..470e7b638c12 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -125,11 +125,6 @@ struct dsa_switch_tree {
 
 	/* List of DSA links composing the routing table */
 	struct list_head rtable;
-
-	/*
-	 * Data for the individual switch chips.
-	 */
-	struct dsa_switch	*ds[DSA_MAX_SWITCHES];
 };
 
 /* TC matchall action types, only mirroring for now */
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 54df0845dda7..8cddc1b3304f 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -571,25 +571,18 @@ static void dsa_tree_remove_switch(struct dsa_switch_tree *dst,
 {
 	dsa_tree_teardown(dst);
 
-	dst->ds[index] = NULL;
 	dsa_tree_put(dst);
 }
 
 static int dsa_tree_add_switch(struct dsa_switch_tree *dst,
 			       struct dsa_switch *ds)
 {
-	unsigned int index = ds->index;
 	int err;
 
-	if (dst->ds[index])
-		return -EBUSY;
-
 	dsa_tree_get(dst);
-	dst->ds[index] = ds;
 
 	err = dsa_tree_setup(dst);
 	if (err) {
-		dst->ds[index] = NULL;
 		dsa_tree_put(dst);
 	}
 
-- 
2.23.0

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