netdev - Re: [PATCH net-next v3 4/8] net: dsa: realtek: merge common and interface modules into realtek-dsa

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Date: Mon, 8 Jan 2024 16:11:03 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Luiz Angelo Daros de Luca <luizluca@...il.com>
Cc: netdev@...r.kernel.org, linus.walleij@...aro.org, alsi@...g-olufsen.dk,
	andrew@...n.ch, f.fainelli@...il.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	arinc.unal@...nc9.com
Subject: Re: [PATCH net-next v3 4/8] net: dsa: realtek: merge common and
 interface modules into realtek-dsa

On Fri, Dec 22, 2023 at 09:46:32PM -0300, Luiz Angelo Daros de Luca wrote:
> diff --git a/drivers/net/dsa/realtek/Makefile b/drivers/net/dsa/realtek/Makefile
> index f4f9c6340d5f..cea0e761d20f 100644
> --- a/drivers/net/dsa/realtek/Makefile
> +++ b/drivers/net/dsa/realtek/Makefile
> @@ -1,8 +1,9 @@
>  # SPDX-License-Identifier: GPL-2.0
>  obj-$(CONFIG_NET_DSA_REALTEK)		+= realtek-dsa.o
> -realtek-dsa-objs			:= realtek-common.o
> -obj-$(CONFIG_NET_DSA_REALTEK_MDIO) 	+= realtek-mdio.o
> -obj-$(CONFIG_NET_DSA_REALTEK_SMI) 	+= realtek-smi.o
> +realtek-dsa-objs-y			:= realtek-common.o
> +realtek-dsa-objs-$(CONFIG_NET_DSA_REALTEK_MDIO) += realtek-mdio.o
> +realtek-dsa-objs-$(CONFIG_NET_DSA_REALTEK_SMI) += realtek-smi.o
> +realtek-dsa-objs			:= $(realtek-dsa-objs-y)
>  obj-$(CONFIG_NET_DSA_REALTEK_RTL8366RB) += rtl8366.o
>  rtl8366-objs 				:= rtl8366-core.o rtl8366rb.o
>  obj-$(CONFIG_NET_DSA_REALTEK_RTL8365MB) += rtl8365mb.o

Does "realtek-dsa-objs-y" have any particular meaning in the Kbuild
system, or is it just a random variable name?

Am I the only one for whom this is clearer in intent?

diff --git a/drivers/net/dsa/realtek/Makefile b/drivers/net/dsa/realtek/Makefile
index cea0e761d20f..418f8bff77b8 100644
--- a/drivers/net/dsa/realtek/Makefile
+++ b/drivers/net/dsa/realtek/Makefile
@@ -1,9 +1,15 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NET_DSA_REALTEK)		+= realtek-dsa.o
-realtek-dsa-objs-y			:= realtek-common.o
-realtek-dsa-objs-$(CONFIG_NET_DSA_REALTEK_MDIO) += realtek-mdio.o
-realtek-dsa-objs-$(CONFIG_NET_DSA_REALTEK_SMI) += realtek-smi.o
-realtek-dsa-objs			:= $(realtek-dsa-objs-y)
+realtek-dsa-objs			:= realtek-common.o
+
+ifdef CONFIG_NET_DSA_REALTEK_MDIO
+realtek-dsa-objs += realtek-mdio.o
+endif
+
+ifdef CONFIG_NET_DSA_REALTEK_SMI
+realtek-dsa-objs += realtek-smi.o
+endif
+
 obj-$(CONFIG_NET_DSA_REALTEK_RTL8366RB) += rtl8366.o
 rtl8366-objs 				:= rtl8366-core.o rtl8366rb.o
 obj-$(CONFIG_NET_DSA_REALTEK_RTL8365MB) += rtl8365mb.o