From 98e673080bd90b9338428be92dd3597798aac3ed Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Fri, 25 Nov 2011 14:36:19 +0000
Subject: [PATCH] mv88e6xxx: Combine mv88e6131 and mv88e612_61_65 drivers

These drivers share a lot of code, so if we make them modular they
should be built into the same module.  Therefore, link them together
and merge their respective module init and exit functions.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dsa/Makefile          |  7 ++++---
 net/dsa/mv88e6123_61_65.c | 15 +--------------
 net/dsa/mv88e6131.c       | 15 +--------------
 net/dsa/mv88e6xxx.c       | 23 +++++++++++++++++++++++
 net/dsa/mv88e6xxx.h       |  3 +++
 5 files changed, 32 insertions(+), 31 deletions(-)

diff --git a/net/dsa/Makefile b/net/dsa/Makefile
index 5431b4a43c13..5c48ac556997 100644
--- a/net/dsa/Makefile
+++ b/net/dsa/Makefile
@@ -8,7 +8,8 @@ dsa_core-$(CONFIG_NET_DSA_TAG_EDSA) += tag_edsa.o
 dsa_core-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o
 
 # switch drivers
-obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
 obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
-obj-$(CONFIG_NET_DSA_MV88E6123_61_65) += mv88e6123_61_65.o
-obj-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o
+obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx_drv.o
+mv88e6xxx_drv-y += mv88e6xxx.o
+mv88e6xxx_drv-$(CONFIG_NET_DSA_MV88E6123_61_65) += mv88e6123_61_65.o
+mv88e6xxx_drv-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o
diff --git a/net/dsa/mv88e6123_61_65.c b/net/dsa/mv88e6123_61_65.c
index 52faaa21a4d9..7951a6cc9bdc 100644
--- a/net/dsa/mv88e6123_61_65.c
+++ b/net/dsa/mv88e6123_61_65.c
@@ -419,7 +419,7 @@ static int mv88e6123_61_65_get_sset_count(struct dsa_switch *ds)
 	return ARRAY_SIZE(mv88e6123_61_65_hw_stats);
 }
 
-static struct dsa_switch_driver mv88e6123_61_65_switch_driver = {
+struct dsa_switch_driver mv88e6123_61_65_switch_driver = {
 	.tag_protocol		= cpu_to_be16(ETH_P_EDSA),
 	.priv_size		= sizeof(struct mv88e6xxx_priv_state),
 	.probe			= mv88e6123_61_65_probe,
@@ -432,16 +432,3 @@ static struct dsa_switch_driver mv88e6123_61_65_switch_driver = {
 	.get_ethtool_stats	= mv88e6123_61_65_get_ethtool_stats,
 	.get_sset_count		= mv88e6123_61_65_get_sset_count,
 };
-
-static int __init mv88e6123_61_65_init(void)
-{
-	register_switch_driver(&mv88e6123_61_65_switch_driver);
-	return 0;
-}
-module_init(mv88e6123_61_65_init);
-
-static void __exit mv88e6123_61_65_cleanup(void)
-{
-	unregister_switch_driver(&mv88e6123_61_65_switch_driver);
-}
-module_exit(mv88e6123_61_65_cleanup);
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index 9bd1061fa4ee..45f41239381c 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -415,7 +415,7 @@ static int mv88e6131_get_sset_count(struct dsa_switch *ds)
 	return ARRAY_SIZE(mv88e6131_hw_stats);
 }
 
-static struct dsa_switch_driver mv88e6131_switch_driver = {
+struct dsa_switch_driver mv88e6131_switch_driver = {
 	.tag_protocol		= cpu_to_be16(ETH_P_DSA),
 	.priv_size		= sizeof(struct mv88e6xxx_priv_state),
 	.probe			= mv88e6131_probe,
@@ -428,16 +428,3 @@ static struct dsa_switch_driver mv88e6131_switch_driver = {
 	.get_ethtool_stats	= mv88e6131_get_ethtool_stats,
 	.get_sset_count		= mv88e6131_get_sset_count,
 };
-
-static int __init mv88e6131_init(void)
-{
-	register_switch_driver(&mv88e6131_switch_driver);
-	return 0;
-}
-module_init(mv88e6131_init);
-
-static void __exit mv88e6131_cleanup(void)
-{
-	unregister_switch_driver(&mv88e6131_switch_driver);
-}
-module_exit(mv88e6131_cleanup);
diff --git a/net/dsa/mv88e6xxx.c b/net/dsa/mv88e6xxx.c
index efe661a9def4..50fd86027969 100644
--- a/net/dsa/mv88e6xxx.c
+++ b/net/dsa/mv88e6xxx.c
@@ -520,3 +520,26 @@ void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds,
 
 	mutex_unlock(&ps->stats_mutex);
 }
+
+static int __init mv88e6xxx_init(void)
+{
+#if IS_ENABLED(CONFIG_NET_DSA_MV88E6131)
+	register_switch_driver(&mv88e6131_switch_driver);
+#endif
+#if IS_ENABLED(CONFIG_NET_DSA_MV88E6123_61_65)
+	register_switch_driver(&mv88e6123_61_65_switch_driver);
+#endif
+	return 0;
+}
+module_init(mv88e6xxx_init);
+
+static void __exit mv88e6xxx_cleanup(void)
+{
+#if IS_ENABLED(CONFIG_NET_DSA_MV88E6123_61_65)
+	unregister_switch_driver(&mv88e6123_61_65_switch_driver);
+#endif
+#if IS_ENABLED(CONFIG_NET_DSA_MV88E6131)
+	unregister_switch_driver(&mv88e6131_switch_driver);
+#endif
+}
+module_exit(mv88e6xxx_cleanup);
diff --git a/net/dsa/mv88e6xxx.h b/net/dsa/mv88e6xxx.h
index 61156ca26a0d..fc2cd7b90e8d 100644
--- a/net/dsa/mv88e6xxx.h
+++ b/net/dsa/mv88e6xxx.h
@@ -71,6 +71,9 @@ void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds,
 				 int nr_stats, struct mv88e6xxx_hw_stat *stats,
 				 int port, uint64_t *data);
 
+extern struct dsa_switch_driver mv88e6131_switch_driver;
+extern struct dsa_switch_driver mv88e6123_61_65_switch_driver;
+
 #define REG_READ(addr, reg)						\
 	({								\
 		int __ret;						\
-- 
2.20.1