Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <18500f18-9cd5-a81c-4a55-14e999ed4496@infradead.org>
 <3ae306e0-c6c7-ed12-cacd-62b1c26dba3c@infradead.org> <6671de03-c09c-bfaf-e06c-e45af70d4354@infradead.org>
 <6601a387-de9a-a0d0-11b5-01e0cfa75657@infradead.org> <7a97bac3-6ade-8e1b-cf0c-4a05c83163a3@infradead.org>
 <Yo+lHSmeIsx144cv@shaak> <3b7ec693-f4a5-e1aa-3e07-b22a4008d4c9@infradead.org>
 <YpPjqC+kVLIBpNlq@shaak> <593f31f6-1628-87f2-1b5d-ad8e79119dd6@infradead.org>
In-Reply-To: <593f31f6-1628-87f2-1b5d-ad8e79119dd6@infradead.org>
From:   Masahiro Yamada <masahiroy@kernel.org>
Date:   Mon, 30 May 2022 11:37:12 +0900
Message-ID: <CAK7LNASUvQdEnSzUUYCjRVaZJpun5hdJ_oY=wYEW2RcF3spHuw@mail.gmail.com>
Subject: Re: kbuild problem: ERROR: modpost: missing MODULE_LICENSE() in drivers/iio/afe/iio-rescale.o
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     Liam Beguin <liambeguin@gmail.com>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        linux-iio@vger.kernel.org, Peter Rosin <peda@axentia.se>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        KUnit Development <kunit-dev@googlegroups.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Mon, May 30, 2022 at 9:17 AM Randy Dunlap <rdunlap@infradead.org> wrote:
>
>
>
> On 5/29/22 14:20, Liam Beguin wrote:
> > Hi Randy,
> >
> > On Thu, May 26, 2022 at 01:04:41PM -0700, Randy Dunlap wrote:
> >>
> >>
> >> On 5/26/22 09:04, Liam Beguin wrote:
> >>> Hi Randy,
> >>>
> >>> On Thu, May 26, 2022 at 08:36:34AM -0700, Randy Dunlap wrote:
> >>>> Liam:
> >>>>
> >>>> Any comment on this?
> >>>> Otherwise I'll just send a formal patch like this (below).
> >>>
> >>> Apologies for not answering earlier.
> >>>
> >>> I wanted to look more into Masahiro's comment and try to fix the
> >>> Makefile, but that can be done after.
> >>>
> >>> IMO your patch improves the current Kconfig, so I'd recommend sending
> >>> the patch. If it can wait a bit, I can look at the Makefile over the
> >>> weekend.
> >>>
> >>
> >> Liam,
> >>
> >> I'll wait until next week to see if you come up with anything.
> >>
> >
> > The following patch fixes the issue while addressing Masahiro's comment.
> > I also considered `select IIO_RESCALE`, but I'm not sure what's usually
> > preferred.
> >
> > diff --git a/drivers/iio/test/Kconfig b/drivers/iio/test/Kconfig
> > index 56ca0ad7e77a..4c66c3f18c34 100644
> > --- a/drivers/iio/test/Kconfig
> > +++ b/drivers/iio/test/Kconfig
> > @@ -6,7 +6,7 @@
> >  # Keep in alphabetical order
> >  config IIO_RESCALE_KUNIT_TEST
> >       bool "Test IIO rescale conversion functions"
> > -     depends on KUNIT=y && !IIO_RESCALE
> > +     depends on KUNIT=y && IIO_RESCALE=y
> >       default KUNIT_ALL_TESTS
> >       help
> >         If you want to run tests on the iio-rescale code say Y here.
> > diff --git a/drivers/iio/test/Makefile b/drivers/iio/test/Makefile
> > index f15ae0a6394f..880360f8d02c 100644
> > --- a/drivers/iio/test/Makefile
> > +++ b/drivers/iio/test/Makefile
> > @@ -4,6 +4,6 @@
> >  #
> >
> >  # Keep in alphabetical order
> > -obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o ../afe/iio-rescale.o
> > +obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o
> >  obj-$(CONFIG_IIO_TEST_FORMAT) += iio-test-format.o
> >  CFLAGS_iio-test-format.o += $(DISABLE_STRUCTLEAK_PLUGIN)
> >
> > I'll send a patch as soon as you confirm this works for you too.
>
> Looks good. Thanks.
>
> Acked-by: Randy Dunlap <rdunlap@infradead.org>
> Tested-by: Randy Dunlap <rdunlap@infradead.org>
>
> --
> ~Randy


 Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>

-- 
Best Regards
Masahiro Yamada