Re: [PATCH v6 20/40] mtd: rawnand: add support for ts72xx

[Greg Kroah-Hartman]

On Tue, Dec 12, 2023 at 11:20:37AM +0300, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
> 
> Technologic Systems has it's own nand controller implementation in CPLD.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
> ---
>  drivers/mtd/nand/raw/Kconfig                       |   7 +
>  drivers/mtd/nand/raw/Makefile                      |   1 +
>  drivers/mtd/nand/raw/technologic-nand-controller.c | 220 +++++++++++++++++++++
>  3 files changed, 228 insertions(+)
> 
> diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
> index cbf8ae85e1ae..3937c10dea1c 100644
> --- a/drivers/mtd/nand/raw/Kconfig
> +++ b/drivers/mtd/nand/raw/Kconfig
> @@ -449,6 +449,13 @@ config MTD_NAND_RENESAS
>  	  Enables support for the NAND controller found on Renesas R-Car
>  	  Gen3 and RZ/N1 SoC families.
>  
> +config MTD_NAND_TS72XX
> +	tristate "ts72xx NAND controller"
> +	depends on ARCH_EP93XX && HAS_IOMEM
> +	help
> +	  Enables support for NAND controller on ts72xx SBCs.
> +	  This is a legacy driver based on gen_nand.

Why is a new "legacy driver" being written these days?  Why not do it
properly?

thanks,

greg k-h