Re: [PATCH 2/4] net: stmmac: Add Toshiba Visconti SoCs glue driver

[Leon Romanovsky]

On Mon, Feb 15, 2021 at 02:06:53PM +0900, Nobuhiro Iwamatsu wrote:
> Add dwmac-visconti to the stmmac driver in Toshiba Visconti ARM SoCs.
> This patch contains only the basic function of the device. There is no
> clock control, PM, etc. yet. These will be added in the future.
>
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
> ---
>  drivers/net/ethernet/stmicro/stmmac/Kconfig   |   8 +
>  drivers/net/ethernet/stmicro/stmmac/Makefile  |   1 +
>  .../ethernet/stmicro/stmmac/dwmac-visconti.c  | 285 ++++++++++++++++++
>  3 files changed, 294 insertions(+)
>  create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
> index 53f14c5a9e02..55ba67a550b9 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
> +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
> @@ -219,6 +219,14 @@ config DWMAC_INTEL_PLAT
>  	  This selects the Intel platform specific glue layer support for
>  	  the stmmac device driver. This driver is used for the Intel Keem Bay
>  	  SoC.
> +
> +config DWMAC_VISCONTI
> +	bool "Toshiba Visconti DWMAC support"
> +	def_bool y

I asked it before, but never received an answer.
Why did you use "def_bool y" and not "default y"? Isn't it supposed to be
"depends on STMMAC_ETH"? And probably it shouldn't be set as a default as "y".

Thanks