netdev - Re: [PATCH net-next v17 12/13] realtek: Update the Makefile and Kconfig in the realtek folder

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Message-ID: <20240503083534.GL2821784@kernel.org>
Date: Fri, 3 May 2024 09:35:34 +0100
From: Simon Horman <horms@...nel.org>
To: Justin Lai <justinlai0215@...ltek.com>
Cc: kuba@...nel.org, davem@...emloft.net, edumazet@...gle.com,
	pabeni@...hat.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, andrew@...n.ch, jiri@...nulli.us,
	pkshih@...ltek.com, larry.chiu@...ltek.com
Subject: Re: [PATCH net-next v17 12/13] realtek: Update the Makefile and
 Kconfig in the realtek folder

On Thu, May 02, 2024 at 05:18:46PM +0800, Justin Lai wrote:
> 1. Add the RTASE entry in the Kconfig.
> 2. Add the CONFIG_RTASE entry in the Makefile.
> 
> Signed-off-by: Justin Lai <justinlai0215@...ltek.com>
> ---
>  drivers/net/ethernet/realtek/Kconfig  | 17 +++++++++++++++++
>  drivers/net/ethernet/realtek/Makefile |  1 +
>  2 files changed, 18 insertions(+)
> 
> diff --git a/drivers/net/ethernet/realtek/Kconfig b/drivers/net/ethernet/realtek/Kconfig
> index 93d9df55b361..57ef924deebd 100644
> --- a/drivers/net/ethernet/realtek/Kconfig
> +++ b/drivers/net/ethernet/realtek/Kconfig
> @@ -113,4 +113,21 @@ config R8169
>  	  To compile this driver as a module, choose M here: the module
>  	  will be called r8169.  This is recommended.
>  
> +config RTASE
> +	tristate "Realtek Automotive Switch 9054/9068/9072/9075/9068/9071 PCIe Interface support"
> +	depends on PCI
> +	select CRC32

Hi Justin,

I believe that you also need:

	select PAGE_POOL

As the driver uses page_pool_alloc_pages()

FWIIW, I observed this when using a config based on make tinyconfig with
PCI and NET enabled, all WiFi drivers disabled, and only and only this Ethernet
driver enabled.

> +	help
> +	  Say Y here if you have a Realtek Ethernet adapter belonging to
> +	  the following families:
> +	  RTL9054 5GBit Ethernet
> +	  RTL9068 5GBit Ethernet
> +	  RTL9072 5GBit Ethernet
> +	  RTL9075 5GBit Ethernet
> +	  RTL9068 5GBit Ethernet
> +	  RTL9071 5GBit Ethernet
> +
> +	  To compile this driver as a module, choose M here: the module
> +	  will be called rtase. This is recommended.

The advice above to chose Y and M seem to conflict.
Perhaps this can be edited somehow.

> +
>  endif # NET_VENDOR_REALTEK
> diff --git a/drivers/net/ethernet/realtek/Makefile b/drivers/net/ethernet/realtek/Makefile
> index 2e1d78b106b0..0c1c16f63e9a 100644
> --- a/drivers/net/ethernet/realtek/Makefile
> +++ b/drivers/net/ethernet/realtek/Makefile
> @@ -8,3 +8,4 @@ obj-$(CONFIG_8139TOO) += 8139too.o
>  obj-$(CONFIG_ATP) += atp.o
>  r8169-objs += r8169_main.o r8169_firmware.o r8169_phy_config.o
>  obj-$(CONFIG_R8169) += r8169.o
> +obj-$(CONFIG_RTASE) += rtase/
> -- 
> 2.34.1
> 
>