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From:   Chunyan Zhang <zhang.lyra@gmail.com>
Date:   Tue, 12 May 2020 16:28:25 +0800
Message-ID: <CAAfSe-v4h4p5bGPrTo3U+GxNGMxK78ZKK-L=Eiyb=Fnq+Do9Ng@mail.gmail.com>
Subject: Re: [PATCH] coresight: tmc: mark coresight_tmc_groups with static
To:     Mathieu Poirier <mathieu.poirier@linaro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Chunyan Zhang <chunyan.zhang@unisoc.com>
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On Tue, 12 May 2020 at 00:46, Mathieu Poirier
<mathieu.poirier@linaro.org> wrote:
>
> Hi Chunyan,
>
> On Fri, May 08, 2020 at 05:13:40PM +0800, Chunyan Zhang wrote:
> > From: Chunyan Zhang <chunyan.zhang@unisoc.com>
> >
> > Sparse reports a warning like:
> > drivers/hwtracing/coresight/coresight-tmc.c:364:30: warning: symbol
> > 'coresight_tmc_groups' was not declared. Should it be static? [sparse]
> >
> > coresight_tmc_groups is used in the local file only, so it should be
> > marked with static.
> >
> > Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
> > ---
> >  drivers/hwtracing/coresight/coresight-tmc.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtr=
acing/coresight/coresight-tmc.c
> > index 1cf82fa..39fba1d 100644
> > --- a/drivers/hwtracing/coresight/coresight-tmc.c
> > +++ b/drivers/hwtracing/coresight/coresight-tmc.c
> > @@ -361,7 +361,7 @@ static ssize_t buffer_size_store(struct device *dev=
,
> >       .name =3D "mgmt",
> >  };
> >
> > -const struct attribute_group *coresight_tmc_groups[] =3D {
> > +static const struct attribute_group *coresight_tmc_groups[] =3D {
>
> This has already been addressed by Stephen [1] earlier in this cycle.  It=
 is
> currently in linux-next and will be submitted for inclusion in the next c=
ycle.
>
> Thanks,
> Mathieu
>
> [1]. https://www.spinics.net/lists/arm-kernel/msg801714.html

It is better, I will backport this patch=E3=80=82

Thanks Mathieu=EF=BC=81

>
> >       &coresight_tmc_group,
> >       &coresight_tmc_mgmt_group,
> >       NULL,
> > --
> > 1.9.1
> >