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Date: Mon, 10 Jan 2022 12:43:39 +0000
From: Alvin Šipraga <ALSI@...g-olufsen.dk>
To: Luiz Angelo Daros de Luca <luizluca@...il.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linus.walleij@...aro.org" <linus.walleij@...aro.org>,
"andrew@...n.ch" <andrew@...n.ch>,
"vivien.didelot@...il.com" <vivien.didelot@...il.com>,
"f.fainelli@...il.com" <f.fainelli@...il.com>,
"olteanv@...il.com" <olteanv@...il.com>,
"arinc.unal@...nc9.com" <arinc.unal@...nc9.com>,
"frank-w@...lic-files.de" <frank-w@...lic-files.de>
Subject: Re: [PATCH net-next v4 04/11] net: dsa: realtek: convert subdrivers
into modules
Luiz Angelo Daros de Luca <luizluca@...il.com> writes:
> Preparing for multiple interfaces support, the drivers
> must be independent of realtek-smi.
>
> Signed-off-by: Luiz Angelo Daros de Luca <luizluca@...il.com>
> Tested-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Alvin Šipraga <alsi@...g-olufsen.dk>
> ---
> drivers/net/dsa/realtek/Kconfig | 20 +++++++++++++++++--
> drivers/net/dsa/realtek/Makefile | 4 +++-
> .../{realtek-smi-core.c => realtek-smi.c} | 6 ++++++
> drivers/net/dsa/realtek/rtl8365mb.c | 4 ++++
> .../dsa/realtek/{rtl8366.c => rtl8366-core.c} | 0
> drivers/net/dsa/realtek/rtl8366rb.c | 4 ++++
> 6 files changed, 35 insertions(+), 3 deletions(-)
> rename drivers/net/dsa/realtek/{realtek-smi-core.c => realtek-smi.c} (97%)
> rename drivers/net/dsa/realtek/{rtl8366.c => rtl8366-core.c} (100%)
>
> diff --git a/drivers/net/dsa/realtek/Kconfig b/drivers/net/dsa/realtek/Kconfig
> index 1c62212fb0ec..cd1aa95b7bf0 100644
> --- a/drivers/net/dsa/realtek/Kconfig
> +++ b/drivers/net/dsa/realtek/Kconfig
> @@ -2,8 +2,6 @@
> menuconfig NET_DSA_REALTEK
> tristate "Realtek Ethernet switch family support"
> depends on NET_DSA
> - select NET_DSA_TAG_RTL4_A
> - select NET_DSA_TAG_RTL8_4
> select FIXED_PHY
> select IRQ_DOMAIN
> select REALTEK_PHY
> @@ -18,3 +16,21 @@ config NET_DSA_REALTEK_SMI
> help
> Select to enable support for registering switches connected
> through SMI.
> +
> +config NET_DSA_REALTEK_RTL8365MB
> + tristate "Realtek RTL8365MB switch subdriver"
> + default y
> + depends on NET_DSA_REALTEK
> + depends on NET_DSA_REALTEK_SMI
> + select NET_DSA_TAG_RTL8_4
> + help
> + Select to enable support for Realtek RTL8365MB
> +
> +config NET_DSA_REALTEK_RTL8366RB
> + tristate "Realtek RTL8366RB switch subdriver"
> + default y
> + depends on NET_DSA_REALTEK
> + depends on NET_DSA_REALTEK_SMI
> + select NET_DSA_TAG_RTL4_A
> + help
> + Select to enable support for Realtek RTL8366RB
> diff --git a/drivers/net/dsa/realtek/Makefile b/drivers/net/dsa/realtek/Makefile
> index 323b921bfce0..8b5a4abcedd3 100644
> --- a/drivers/net/dsa/realtek/Makefile
> +++ b/drivers/net/dsa/realtek/Makefile
> @@ -1,3 +1,5 @@
> # SPDX-License-Identifier: GPL-2.0
> obj-$(CONFIG_NET_DSA_REALTEK_SMI) += realtek-smi.o
> -realtek-smi-objs := realtek-smi-core.o rtl8366.o rtl8366rb.o rtl8365mb.o
> +obj-$(CONFIG_NET_DSA_REALTEK_RTL8366RB) += rtl8366.o
> +rtl8366-objs := rtl8366-core.o rtl8366rb.o
> +obj-$(CONFIG_NET_DSA_REALTEK_RTL8365MB) += rtl8365mb.o
> diff --git a/drivers/net/dsa/realtek/realtek-smi-core.c b/drivers/net/dsa/realtek/realtek-smi.c
> similarity index 97%
> rename from drivers/net/dsa/realtek/realtek-smi-core.c
> rename to drivers/net/dsa/realtek/realtek-smi.c
> index a917801385c9..5514fe81d64f 100644
> --- a/drivers/net/dsa/realtek/realtek-smi-core.c
> +++ b/drivers/net/dsa/realtek/realtek-smi.c
> @@ -495,19 +495,23 @@ static void realtek_smi_shutdown(struct platform_device *pdev)
> }
>
> static const struct of_device_id realtek_smi_of_match[] = {
> +#if IS_ENABLED(CONFIG_NET_DSA_REALTEK_RTL8366RB)
> {
> .compatible = "realtek,rtl8366rb",
> .data = &rtl8366rb_variant,
> },
> +#endif
> {
> /* FIXME: add support for RTL8366S and more */
> .compatible = "realtek,rtl8366s",
> .data = NULL,
> },
If you send a v5, maybe add a patch to remove this. It is going to crash
anyway so I am sure nobody uses it.
> +#if IS_ENABLED(CONFIG_NET_DSA_REALTEK_RTL8365MB)
> {
> .compatible = "realtek,rtl8365mb",
> .data = &rtl8365mb_variant,
> },
> +#endif
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, realtek_smi_of_match);
> @@ -523,4 +527,6 @@ static struct platform_driver realtek_smi_driver = {
> };
> module_platform_driver(realtek_smi_driver);
>
> +MODULE_AUTHOR("Linus Walleij <linus.walleij@...aro.org>");
> +MODULE_DESCRIPTION("Driver for Realtek ethernet switch connected via SMI interface");
> MODULE_LICENSE("GPL");
> diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c
> index 5fb453b5f650..b52bb987027c 100644
> --- a/drivers/net/dsa/realtek/rtl8365mb.c
> +++ b/drivers/net/dsa/realtek/rtl8365mb.c
> @@ -1987,3 +1987,7 @@ const struct realtek_variant rtl8365mb_variant = {
> .chip_data_sz = sizeof(struct rtl8365mb),
> };
> EXPORT_SYMBOL_GPL(rtl8365mb_variant);
> +
> +MODULE_AUTHOR("Alvin Šipraga <alsi@...g-olufsen.dk>");
> +MODULE_DESCRIPTION("Driver for RTL8365MB-VC ethernet switch");
> +MODULE_LICENSE("GPL");
> diff --git a/drivers/net/dsa/realtek/rtl8366.c b/drivers/net/dsa/realtek/rtl8366-core.c
> similarity index 100%
> rename from drivers/net/dsa/realtek/rtl8366.c
> rename to drivers/net/dsa/realtek/rtl8366-core.c
> diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c
> index 34e371084d6d..ff607608dead 100644
> --- a/drivers/net/dsa/realtek/rtl8366rb.c
> +++ b/drivers/net/dsa/realtek/rtl8366rb.c
> @@ -1814,3 +1814,7 @@ const struct realtek_variant rtl8366rb_variant = {
> .chip_data_sz = sizeof(struct rtl8366rb),
> };
> EXPORT_SYMBOL_GPL(rtl8366rb_variant);
> +
> +MODULE_AUTHOR("Linus Walleij <linus.walleij@...aro.org>");
> +MODULE_DESCRIPTION("Driver for RTL8366RB ethernet switch");
> +MODULE_LICENSE("GPL");
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