Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20210914043928.4066136-1-saravanak@google.com>
 <20210914043928.4066136-4-saravanak@google.com> <CAMuHMdViFMA4_k2Da=G2h3BWBdmwDJdh5pgRfbpUaoC_DHcmJA@mail.gmail.com>
In-Reply-To: <CAMuHMdViFMA4_k2Da=G2h3BWBdmwDJdh5pgRfbpUaoC_DHcmJA@mail.gmail.com>
From:   Saravana Kannan <saravanak@google.com>
Date:   Tue, 14 Sep 2021 00:46:44 -0700
Message-ID: <CAGETcx_mP96HdLN_5MEAkGNZJDiuhfZsMptSTHPoNfZnmS1QQA@mail.gmail.com>
Subject: Re: [PATCH v1 3/5] driver core: Create __fwnode_link_del() helper function
To:     Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        John Stultz <john.stultz@linaro.org>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Rob Herring <robh+dt@kernel.org>, Andrew Lunn <andrew@lunn.ch>,
        Vladimir Oltean <olteanv@gmail.com>,
        Android Kernel Team <kernel-team@android.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Tue, Sep 14, 2021 at 12:05 AM Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
>
> Hi Saravana,
>
> On Tue, Sep 14, 2021 at 6:39 AM Saravana Kannan <saravanak@google.com> wrote:
> > The same code is repeated in multiple locations. Create a helper
> > function for it.
> >
> > Signed-off-by: Saravana Kannan <saravanak@google.com>
>
> Thanks for your patch!
>
> > --- a/drivers/base/core.c
> > +++ b/drivers/base/core.c
> > @@ -101,6 +101,19 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup)
> >         return ret;
> >  }
> >
> > +/**
> > + * __fwnode_link_del - Delete a link between two fwnode_handles.
> > + * @link: the fwnode_link to be deleted
> > + *
> > + * The fwnode_link_lock needs to be held when this function is called.
> > + */
> > +static void __fwnode_link_del(struct fwnode_link *link)
>
> Why the double underscore?

Because unlike fwnode_link_add(), this one needs the lock to be held.

-Saravana

>
> > +{
> > +       list_del(&link->s_hook);
> > +       list_del(&link->c_hook);
> > +       kfree(link);
> > +}
>
> Apart from that:
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds