linux-kernel - RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX

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Message-ID: <DB3PR0402MB391663DB37A8D241092AD708F5F90@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Mon, 16 Mar 2020 08:44:10 +0000
From:   Anson Huang <anson.huang@....com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
CC:     Shawn Guo <shawnguo@...nel.org>, Peng Fan <peng.fan@....com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
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        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU case



> Subject: Re: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU
> case
> 
> On 16/03/2020 08:04:17+0000, Anson Huang wrote:
> > Hi, Shawn
> >
> > > Subject: Re: [PATCH V3 1/7] firmware: imx: Add stubs for
> > > !CONFIG_IMX_SCU case
> > >
> > > On Mon, Mar 16, 2020 at 03:18:43AM +0000, Peng Fan wrote:
> > > > Just sent out. One more thing, I think all drivers depends on
> > > > IMX_SCU should not have COMPILE_TEST if we plan not to add dummy
> > > > functions. I see you picked up Anson's patch in imx/drivers branch,
> please check more.
> > >
> > > Ha, yes. COMPILE_TEST should be dropped for IMX_SCU_PD in Anson's
> patch.
> > > Thanks for reminding.
> >
> > I still NOT quite understand why we won't support COMPILE_TEST for SCU
> > drivers, with whose stubs, the build should be OK, if there is any
> > build error, we should try to fix it, NOT just remove the COMPILE_TEST
> support, any special reason?
> >
> 
> COMPILE_TEST is supported as long as IMX_SCU is selected like is it for any
> driver depending on any bus.

But without having " || COMPILE_TEST " in kconfig, COMPILE_TEST will NOT be supported,
I think as long as we have stubs for those SCU APIs, all drivers depending on IMX_SCU can
support COMPILE_TEST independently.

Anson