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

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Date:   Thu, 11 Jun 2020 08:31:34 +0000
From:   Anson Huang <anson.huang@....com>
To:     Aisheng Dong <aisheng.dong@....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


> Subject: RE: [PATCH V3 0/9] Support i.MX8 SoCs pinctrl drivers built as module
> 
> 
> 
> 
> > 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.
> 
> There are still some more changes in V4 I just sent out, which is to cover
> various config combination, will add test info in next version.

I will keep the arch_initcall() there in next version patch series, it can make sure the
change does NOT impact built-in config. For module build, the arch_initcall() will
be same as module_init(), user needs to insmod the .ko with correct sequence.

Anson