Re: [PATCH 00/11] ARM: NXP: Drop NOMMU platform support

[Vladimir Zapolskiy]

Hello Frank.

On 6/19/26 18:40, Frank.Li@xxxxxxxxxxx wrote:
> Commercial users and hardware vendors migrated to Zephyr or other RTOS
> solutions years ago, leaving the NOMMU platform support effectively
> unused and unmaintained.
>
> Remove the obsolete support to reduce maintenance burden and simplify the
> Freescale/nxp platform code.
>
> Some driver code still be kept and may clean up later since it is possible
> reused by other SoC.
>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>

This change is a bit too early to happen, I prefer to get it orchestrated
by Arnd. So, as for today I NAK the change for its NXP LPC part.

> ---
> Frank Li (11):
>        ARM: dts: vf610m4: Remove NOMMU platform support
>        ARM: dts: imxrt1050: Remove NOMMU platform support
>        ARM: imx: Remove NOMMU platform support
>        clk: imx: imxrt1050: Remove NOMMU platform support
>        pinctrl: freescale: IMXRT: Remove NOMMU platform support
>        ARM: imxrt_defconfig: Remove NOMMU platform support
>        ARM: dts: lpc: Remove NOMMU platform support
>        ARM: mach-lpc: Remove NOMMU platform support
>        ARM: configs: lpc*: Remove NOMMU platform support
>        clk: nxp: lpc: Remove NOMMU platform support
>        pinctrl: nxp: lpc: Remove NOMMU platform support
>
>   .../devicetree/bindings/pinctrl/fsl,imxrt1050.yaml |   79 -
>   .../devicetree/bindings/pinctrl/fsl,imxrt1170.yaml |   77 -
>   arch/arm/Kconfig                                   |   12 -
>   arch/arm/Makefile                                  |    2 -
>   arch/arm/boot/dts/nxp/Makefile                     |    1 -
>   arch/arm/boot/dts/nxp/imx/Makefile                 |    2 -
>   arch/arm/boot/dts/nxp/imx/imxrt1050-evk.dts        |   72 -
>   arch/arm/boot/dts/nxp/imx/imxrt1050-pinfunc.h      |  993 ------------
>   arch/arm/boot/dts/nxp/imx/imxrt1050.dtsi           |  160 --
>   arch/arm/boot/dts/nxp/imx/imxrt1170-pinfunc.h      | 1561 -------------------
>   arch/arm/boot/dts/nxp/lpc/Makefile                 |    9 -
>   arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi             |  543 -------
>   arch/arm/boot/dts/nxp/lpc/lpc3250-ea3250.dts       |  273 ----
>   arch/arm/boot/dts/nxp/lpc/lpc3250-phy3250.dts      |  236 ---
>   arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi             |  540 -------

NXP LPC32xx is ARMv5 and it has MMU, hence it's plainly out of scope of
the proposed "dropping NOMMU platform support".

--
Best wishes,
Vladimir