linux-kernel - RE: [PATCH V3 0/9] Support i.MX8 SoCs pinctrl drivers built as module

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Message-ID: <DB7PR04MB49721DEE875099E086E2486E80830@DB7PR04MB4972.eurprd04.prod.outlook.com>
Date:   Wed, 10 Jun 2020 08:04:57 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Anson Huang <anson.huang@....com>,
        "festevam@...il.com" <festevam@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "stefan@...er.ch" <stefan@...er.ch>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V3 0/9] Support i.MX8 SoCs pinctrl drivers built as module

> From: Anson Huang <Anson.Huang@....com>
> Sent: Tuesday, June 9, 2020 10:21 PM
> 
> There are more and mroe requirements that SoC specific modules should be
> built as module in order to support generic kernel image, such as Android GKI
> concept.
> 
> This patch series supports i.MX8 SoCs pinctrl drivers to be built as module,
> including i.MX8MQ/MM/MN/MP/QXP/QM/DXL SoCs, and it also supports
> building i.MX common pinctrl driver and i.MX SCU common pinctrl driver as
> module.
> 

This patch series also changed the driver initcall level from arch_initcall to module_init.
Maybe you could provide some test information to help the reviewer to better understand
the change impact.

Regards
Aisheng

> Compared to V2, the changes are as below:
> 	- add "depends on OF" to PINCTRL_IMX to fix build error using x86
> randconfig;
> 	- change the config dependency of PINCTRL_IMX_SCU to support scenario
> of
> 	  building in PINCTRL_IMX while building PINCTRL_IMX_SCU as module,
> no other
> 	  good choice in my mind, if you have better idea without changing the
> driver
> 	  code, please advise.
> 
> Anson Huang (9):
>   pinctrl: imx: Support building SCU pinctrl driver as module
>   pinctrl: imx: Support building i.MX pinctrl driver as module
>   pinctrl: imx8mm: Support building as module
>   pinctrl: imx8mn: Support building as module
>   pinctrl: imx8mq: Support building as module
>   pinctrl: imx8mp: Support building as module
>   pinctrl: imx8qxp: Support building as module
>   pinctrl: imx8qm: Support building as module
>   pinctrl: imx8dxl: Support building as module
> 
>  drivers/pinctrl/freescale/Kconfig           | 27 ++++++++++++++-------------
>  drivers/pinctrl/freescale/pinctrl-imx.c     |  4 ++++
>  drivers/pinctrl/freescale/pinctrl-imx.h     |  2 +-
>  drivers/pinctrl/freescale/pinctrl-imx8dxl.c |  9 +++------
> drivers/pinctrl/freescale/pinctrl-imx8mm.c  | 10 ++++------
> drivers/pinctrl/freescale/pinctrl-imx8mn.c  | 10 ++++------
> drivers/pinctrl/freescale/pinctrl-imx8mp.c  | 10 ++++------
> drivers/pinctrl/freescale/pinctrl-imx8mq.c  |  9 ++++-----
> drivers/pinctrl/freescale/pinctrl-imx8qm.c  |  9 +++------
> drivers/pinctrl/freescale/pinctrl-imx8qxp.c |  9 +++------
>  drivers/pinctrl/freescale/pinctrl-scu.c     |  6 ++++++
>  11 files changed, 50 insertions(+), 55 deletions(-)
> 
> --
> 2.7.4