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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Fri, 8 May 2020 03:35:02 +0530
Message-ID: <CA+G9fYu2SrkEHyAzF57xJz5WjgHv361qdL2wPqON_pGS4Vtxmw@mail.gmail.com>
Subject: Re: [PATCH net 11/16] net: ethernet: marvell: mvneta: fix fixed-link
 phydev leaks
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Johan Hovold <johan@kernel.org>
Cc:     linux- stable <stable@vger.kernel.org>,
        Sasha Levin <sashal@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Fugang Duan <fugang.duan@nxp.com>,
        Pantelis Antoniou <pantelis.antoniou@gmail.com>,
        Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
        Lars Persson <lars.persson@axis.com>,
        Grygorii Strashko <grygorii.strashko@ti.com>,
        Rob Herring <robh+dt@kernel.org>,
        Frank Rowand <frowand.list@gmail.com>,
        Andrew Lunn <andrew@lunn.ch>, Netdev <netdev@vger.kernel.org>,
        nios2-dev@lists.rocketboards.org,
        open list <linux-kernel@vger.kernel.org>,
        linuxppc-dev@lists.ozlabs.org, linux-mediatek@lists.infradead.org,
        linux-renesas-soc@vger.kernel.org, linux-omap@vger.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
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On Thu, 7 May 2020 at 16:43, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
<trim>
> > >
> > > Greg, 3f65047c853a ("of_mdio: add helper to deregister fixed-link
> > > PHYs") needs to be backported as well for these.
> > >
> > > Original series can be found here:
> > >
> > >     https://lkml.kernel.org/r/1480357509-28074-1-git-send-email-johan=
@kernel.org
> >
> > Ah, thanks for that, I thought I dropped all of the ones that caused
> > build errors, but missed the above one.  I'll go take the whole series
> > instead.
>
> This should now all be fixed up, thanks.

While building kernel Image for arm architecture on stable-rc 4.4 branch
the following build error found.

of_mdio: add helper to deregister fixed-link PHYs
commit 3f65047c853a2a5abcd8ac1984af3452b5df4ada upstream.

Add helper to deregister fixed-link PHYs registered using
of_phy_register_fixed_link().

Convert the two drivers that care to deregister their fixed-link PHYs to
use the new helper, but note that most drivers currently fail to do so.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[only take helper function for 4.4.y - gregkh]

 # make -sk KBUILD_BUILD_USER=3DTuxBuild -C/linux -j16 ARCH=3Darm
CROSS_COMPILE=3Darm-linux-gnueabihf- HOSTCC=3Dgcc CC=3D"sccache
arm-linux-gnueabihf-gcc" O=3Dbuild zImage
70 #
71 ../drivers/of/of_mdio.c: In function =E2=80=98of_phy_deregister_fixed_li=
nk=E2=80=99:
72 ../drivers/of/of_mdio.c:379:2: error: implicit declaration of
function =E2=80=98fixed_phy_unregister=E2=80=99; did you mean =E2=80=98fixe=
d_phy_register=E2=80=99?
[-Werror=3Dimplicit-function-declaration]
73  379 | fixed_phy_unregister(phydev);
74  | ^~~~~~~~~~~~~~~~~~~~
75  | fixed_phy_register
76 ../drivers/of/of_mdio.c:381:22: error: =E2=80=98struct phy_device=E2=80=
=99 has no
member named =E2=80=98mdio=E2=80=99; did you mean =E2=80=98mdix=E2=80=99?
77  381 | put_device(&phydev->mdio.dev); /* of_phy_find_device() */
78  | ^~~~
79  | mdix

>
> greg k-h