net: dsa: realtek: merge rtl83xx and interface modules into realtek_dsa

Since rtl83xx and realtek-{smi,mdio} are always loaded together,
we can optimize resource usage by consolidating them into a single
module.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/realtek/Kconfig

@@ -16,14 +16,14 @@ menuconfig NET_DSA_REALTEK
 if NET_DSA_REALTEK
 
 config NET_DSA_REALTEK_MDIO
-	tristate "Realtek MDIO interface support"
+	bool "Realtek MDIO interface support"
 	depends on OF
 	help
 	  Select to enable support for registering switches configured
 	  through MDIO.
 
 config NET_DSA_REALTEK_SMI
-	tristate "Realtek SMI interface support"
+	bool "Realtek SMI interface support"
 	depends on OF
 	help
 	  Select to enable support for registering switches connected

drivers/net/dsa/realtek/Makefile

 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NET_DSA_REALTEK)		+= realtek_dsa.o
 realtek_dsa-objs			:= rtl83xx.o
-obj-$(CONFIG_NET_DSA_REALTEK_MDIO) 	+= realtek-mdio.o
-obj-$(CONFIG_NET_DSA_REALTEK_SMI) 	+= realtek-smi.o
+
+ifdef CONFIG_NET_DSA_REALTEK_MDIO
+realtek_dsa-objs += realtek-mdio.o
+endif
+
+ifdef CONFIG_NET_DSA_REALTEK_SMI
+realtek_dsa-objs += realtek-smi.o
+endif
+
 obj-$(CONFIG_NET_DSA_REALTEK_RTL8366RB) += rtl8366.o
 rtl8366-objs 				:= rtl8366-core.o rtl8366rb.o
 obj-$(CONFIG_NET_DSA_REALTEK_RTL8365MB) += rtl8365mb.o

drivers/net/dsa/realtek/realtek-mdio.c

@@ -186,8 +186,3 @@ void realtek_mdio_shutdown(struct mdio_device *mdiodev)
 	rtl83xx_shutdown(priv);
 }
 EXPORT_SYMBOL_NS_GPL(realtek_mdio_shutdown, REALTEK_DSA);
-
-MODULE_AUTHOR("Luiz Angelo Daros de Luca <luizluca@gmail.com>");
-MODULE_DESCRIPTION("Driver for Realtek ethernet switch connected via MDIO interface");
-MODULE_LICENSE("GPL");
-MODULE_IMPORT_NS(REALTEK_DSA);

drivers/net/dsa/realtek/realtek-smi.c

@@ -470,8 +470,3 @@ void realtek_smi_shutdown(struct platform_device *pdev)
 	rtl83xx_shutdown(priv);
 }
 EXPORT_SYMBOL_NS_GPL(realtek_smi_shutdown, REALTEK_DSA);
-
-MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
-MODULE_DESCRIPTION("Driver for Realtek ethernet switch connected via SMI interface");
-MODULE_LICENSE("GPL");
-MODULE_IMPORT_NS(REALTEK_DSA);

drivers/net/dsa/realtek/rtl83xx.c

@@ -231,5 +231,6 @@ void rtl83xx_remove(struct realtek_priv *priv)
 EXPORT_SYMBOL_NS_GPL(rtl83xx_remove, REALTEK_DSA);
 
 MODULE_AUTHOR("Luiz Angelo Daros de Luca <luizluca@gmail.com>");
+MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
 MODULE_DESCRIPTION("Realtek DSA switches common module");
 MODULE_LICENSE("GPL");