netdev - [PATCH v3 net-next 13/14] dsa: tag

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Date:   Sat, 27 Apr 2019 19:00:34 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v3 net-next 13/14] dsa: tag_brcm: Avoid unused symbols

It is possible that the driver is compiled with both
CONFIG_NET_DSA_TAG_BRCM and CONFIG_NET_DSA_TAG_BRCM_PREPEND disabled.
This results in warnings about unused symbols. Add some conditional
compilation to avoid this.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>

v2
Reorder patch to before tag drivers can be modules
---
 net/dsa/tag_brcm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index 9890097a85d9..d52db5f2c721 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -55,6 +55,9 @@
 #define BRCM_EG_TC_MASK		0x7
 #define BRCM_EG_PID_MASK	0x1f
 
+#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM) || \
+	IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND)
+
 static struct sk_buff *brcm_tag_xmit_ll(struct sk_buff *skb,
 					struct net_device *dev,
 					unsigned int offset)
@@ -139,8 +142,9 @@ static struct sk_buff *brcm_tag_rcv_ll(struct sk_buff *skb,
 
 	return skb;
 }
+#endif
 
-#ifdef CONFIG_NET_DSA_TAG_BRCM
+#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM)
 static struct sk_buff *brcm_tag_xmit(struct sk_buff *skb,
 				     struct net_device *dev)
 {
@@ -179,7 +183,7 @@ DSA_TAG_DRIVER(brcm_netdev_ops);
 MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM);
 #endif
 
-#ifdef CONFIG_NET_DSA_TAG_BRCM_PREPEND
+#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND)
 static struct sk_buff *brcm_tag_xmit_prepend(struct sk_buff *skb,
 					     struct net_device *dev)
 {
-- 
2.20.1