RE: [PATCH 3/5] input: keyboard: add COMPILE_TEST support for KEYBOARD_IMX_SC_KEY

From: Anson Huang
Date: Fri Mar 06 2020 - 20:01:25 EST


Hi, Dmitry

> Subject: Re: [PATCH 3/5] input: keyboard: add COMPILE_TEST support for
> KEYBOARD_IMX_SC_KEY
>
> On Sat, Mar 07, 2020 at 12:18:38AM +0000, Anson Huang wrote:
> > Hi, Dmitry
> >
> > > Subject: Re: [PATCH 3/5] input: keyboard: add COMPILE_TEST support
> > > for KEYBOARD_IMX_SC_KEY
> > >
> > > On Fri, Mar 6, 2020 at 11:33 AM Dmitry Torokhov
> > > <dmitry.torokhov@xxxxxxxxx> 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@xxxxxxx>
> > > >
> > > > 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.
> >
> > These i.MX SCU drivers depends on IMX_SCU, I already add the
> > COMPILE_TEST to IMX_SCU driver as well, that is why I put these patches in
> a patch series.
>
> Adding "|| COMPILE_TEST" you are removing hard dependency on IMX_SCU,
> which as you can see can result in broken build.
>
> > Maybe
> > I can add stubs as well to make sure build passed even when IMX_SCU is
> NOT compiled?
> > Will send V2 to add stubs, it makes more sense.
>
> It is up to you whether you make IMX_SCU buildable with COMPILE_TEST and
> leave the sub-driver as is, or add the stubs and make sub-drivers buildable
> even without IMX_SCU being present.

Thank you, I already added COMPILE_TEST to IMX_SCU driver, and I will also add
stubs for those APIs in V2.

Thanks,
Anson