linux-kernel - RE: [PATCH 1/3] reset: imx7: Support module build

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Message-ID: <DB3PR0402MB39168490A754EC4B32CAFFA0F56E0@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Mon, 29 Jun 2020 11:44:49 +0000
From:   Anson Huang <anson.huang@....com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Russell King - ARM Linux <linux@...linux.org.uk>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Stefan Agner <stefan.agner@...adex.com>,
        "oleksandr.suvorov@...adex.com" <oleksandr.suvorov@...adex.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Leo Li <leoyang.li@....com>, Vinod Koul <vkoul@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Olof Johansson <olof@...om.net>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 1/3] reset: imx7: Support module build

Hi, Arnd


> Subject: Re: [PATCH 1/3] reset: imx7: Support module build
> 
> On Mon, Jun 29, 2020 at 1:32 PM Anson Huang <anson.huang@....com>
> wrote:
> > > Subject: Re: [PATCH 1/3] reset: imx7: Support module build
> > >
> > > On Mon, Jun 29, 2020 at 12:45 PM Anson Huang
> <anson.huang@....com>
> > > wrote:
> > > > > Subject: Re: [PATCH 1/3] reset: imx7: Support module build On
> > > > > Mon, Jun 29, 2020 at 12:25 PM Anson Huang <Anson.Huang@....com>
> wrote:
> > > >
> > > > The reset driver normally won't be removed since it is necessary
> > > > for drivers which need it, it is just for Android GKI support, in
> > > > this case, do we need to change it to module_platform_driver()?
> > >
> > > Please at least try to do it, or explain in the changelog what went
> > > wrong if it doesn't work.
> > >
> > > I don't think "because Android GKI" should ever be the sole
> > > justification for a patch. Making drivers loadable module is a good
> > > idea regardless of GKI, and if you do that, then make it behave like any
> other loadable module.
> > >
> >
> > OK, will do it in V2, BTW, I think there is nothing need to be done
> > for .remove() callback, can I just skip it or need to add a blank callback
> anyway?
> 
> I think if everything is done through devm_() calls you should be able to have
> no .remove() callback at all, but I have not tried that.
> 

OK, I have confirmed that before in other drivers, so I will not have .remove callback()
for this driver.

Thanks,
Anson