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Date:   Sat, 7 Mar 2020 03:33:54 +0000
From:   Anson Huang <anson.huang@....com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
CC:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "amit.kucheria@...durent.com" <amit.kucheria@...durent.com>,
        "wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Daniel Baluta <daniel.baluta@....com>,
        Oleksij Rempel <linux@...pel-privat.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Ronald Tschalär <ronald@...ovation.ch>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        LINUXWATCHDOG <linux-watchdog@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 3/5] input: keyboard: add COMPILE_TEST support for
 KEYBOARD_IMX_SC_KEY

Hi, Alexandre

> Subject: Re: [PATCH 3/5] input: keyboard: add COMPILE_TEST support for
> KEYBOARD_IMX_SC_KEY
> 
> On 07/03/2020 01:36:39+0000, Anson Huang wrote:
> > Hi, Alexandre
> >
> > > Subject: Re: [PATCH 3/5] input: keyboard: add COMPILE_TEST support
> > > for KEYBOARD_IMX_SC_KEY
> > >
> > > On 06/03/2020 12:05:42-0800, Dmitry Torokhov wrote:
> > > > On Fri, Mar 6, 2020 at 11:33 AM Dmitry Torokhov
> > > > <dmitry.torokhov@...il.com> wrote:
> > > > >
> > > > > On Fri, Mar 06, 2020 at 11:42:34PM +0800, Anson Huang wrote:
> > > > > > Add COMPILE_TEST support to i.MX SC keyboard driver for better
> > > > > > compile testing coverage.
> > > > > >
> > > > > > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > > > >
> > > > > Applied, thank you.
> > > >
> > > > Actually, not:
> > > >
> > > > ERROR: "imx_scu_irq_register_notifier"
> > > > [drivers/input/keyboard/imx_sc_key.ko] undefined!
> > > > ERROR: "imx_scu_get_handle" [drivers/input/keyboard/imx_sc_key.ko]
> > > undefined!
> > > > ERROR: "imx_scu_call_rpc" [drivers/input/keyboard/imx_sc_key.ko]
> > > undefined!
> > > > ERROR: "imx_scu_irq_unregister_notifier"
> > > > [drivers/input/keyboard/imx_sc_key.ko] undefined!
> > > > ERROR: "imx_scu_irq_group_enable"
> > > > [drivers/input/keyboard/imx_sc_key.ko] undefined!
> > > > make[1]: *** [scripts/Makefile.modpost:94: __modpost] Error 1
> > > > make: *** [Makefile:1282: modules] Error 2
> > > >
> > > > If you want to enable compile test coverage you need to provide
> > > > stubs for the above functions.
> > > >
> > >
> > > or select IMX_SCU
> > >
> > > or leave out COMPILE_TEST from the individual drivers as having
> > > COMPILE_TEST for IMX_SCU is enough to be able to select the drivers.
> >
> > Thanks, I already added the COMPILE_TEST for IMX_SCU which is in this
> > same patch series, without that IMX_SCU COMPILE_TEST patch, the build
> > will failed, so in V2, I also added the stubs into those IMX SCU APIs
> > to make sure even IMX_SCU is NOT enabled, modules with COMPILE_TEST
> can still pass build, please help review V2 patch set.
> >
> 
> My point is that there is no need for the stubs. Simply have COMPILE_TEST
> for IMX_SCU as this is enough to extend coverage to all the drivers and
> significantly reduces the code size versus what you did in v2.

OK, then I think V1 patch set is already what you expected, patch 1/5 adds the COMPILE_TEST
for IMX_SCU. I think maintainers can just pick up the V1 patch set.

Thanks,
Anson

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