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From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
	Marc Kleine-Budde <mkl@pengutronix.de>
Cc: kernel test robot <lkp@intel.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Rob Herring <robh+dt@kernel.org>,
	Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
	Wolfgang Grandegger <wg@grandegger.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	linux-can@vger.kernel.org,
	clang-built-linux <clang-built-linux@googlegroups.com>,
	kbuild-all@lists.01.org, netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH v3 2/3] can: rcar_canfd: Add support for RZ/G2L family
Date: Mon, 26 Jul 2021 22:56:26 +0100	[thread overview]
Message-ID: <CA+V-a8s-DDsTqx6R4bqtA3ruWF=8E_==ao45+toYREDvWsrYZg@mail.gmail.com> (raw)
In-Reply-To: <CAMuHMdUuFdc5JJfdsvFTfKPh1Z+o0iTabHLso4U6DUHRJowD6g@mail.gmail.com>

Hi Geert, Marc,

On Mon, Jul 26, 2021 at 9:07 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Marc,
>
> On Sun, Jul 25, 2021 at 11:46 AM Marc Kleine-Budde <mkl@pengutronix.de> wrote:
> > On 25.07.2021 13:39:37, kernel test robot wrote:
> > > [auto build test WARNING on renesas-devel/next]
> > > [also build test WARNING on v5.14-rc2 next-20210723]
> > > [cannot apply to mkl-can-next/testing robh/for-next]
> > > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > > And when submitting patch, we suggest to use '--base' as documented in
> > > https://git-scm.com/docs/git-format-patch]
> > >
> > > url:    https://github.com/0day-ci/linux/commits/Lad-Prabhakar/Renesas-RZ-G2L-CANFD-support/20210722-035332
> > > base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
> > > config: arm64-randconfig-r031-20210723 (attached as .config)
> > > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9625ca5b602616b2f5584e8a49ba93c52c141e40)
> > > reproduce (this is a W=1 build):
> > >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > >         chmod +x ~/bin/make.cross
> > >         # install arm64 cross compiling tool for clang build
> > >         # apt-get install binutils-aarch64-linux-gnu
> > >         # https://github.com/0day-ci/linux/commit/082d605e73c5922419a736aa9ecd3a76c0241bf7
> > >         git remote add linux-review https://github.com/0day-ci/linux
> > >         git fetch --no-tags linux-review Lad-Prabhakar/Renesas-RZ-G2L-CANFD-support/20210722-035332
> > >         git checkout 082d605e73c5922419a736aa9ecd3a76c0241bf7
> > >         # save the attached .config to linux build tree
> > >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
> > >
> > > If you fix the issue, kindly add following tag as appropriate
> > > Reported-by: kernel test robot <lkp@intel.com>
> > >
> > > All warnings (new ones prefixed by >>):
> > >
> > > >> drivers/net/can/rcar/rcar_canfd.c:1699:12: warning: cast to smaller integer type 'enum rcanfd_chip_id' from 'const void *' [-Wvoid-pointer-to-enum-cast]
> > >            chip_id = (enum rcanfd_chip_id)of_device_get_match_data(&pdev->dev);
> > >                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >    1 warning generated.
> >
> > Seems we need the cast (uintptr_t), that I asked you to remove. Can you
>
> Bummer, I had seen your comment while reading email on my phone,
> but forgot to reply when I got back to my computer...
>
> > test if
> >
> > | chip_id = (enum rcanfd_chip_id)(uintptr_t)of_device_get_match_data(&pdev->dev);
> >
> > works?
>
> Just
>
>     chip_id = (uintptr_t)of_device_get_match_data(&pdev->dev);
>
> should be fine.
>
Above works, cast is not required.

Cheers,
Prabhakar

> 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

  reply	other threads:[~2021-07-26 21:56 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-21 19:49 [PATCH v3 0/3] Renesas RZ/G2L CANFD support Lad Prabhakar
2021-07-21 19:49 ` [PATCH v3 1/3] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC Lad Prabhakar
2021-07-26 22:46   ` Rob Herring
2021-07-21 19:49 ` [PATCH v3 2/3] can: rcar_canfd: Add support for RZ/G2L family Lad Prabhakar
2021-07-25  5:39   ` kernel test robot
2021-07-25  9:46     ` Marc Kleine-Budde
2021-07-26  8:06       ` Geert Uytterhoeven
2021-07-26 21:56         ` Lad, Prabhakar [this message]
2021-07-26  9:53   ` Geert Uytterhoeven
2021-07-26 21:58     ` Lad, Prabhakar
2021-07-21 19:49 ` [PATCH v3 3/3] arm64: dts: renesas: r9a07g044: Add CANFD node Lad Prabhakar
2021-07-22 12:53   ` kernel test robot

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