Message-ID: <TYAPR01MB62012AEB166A7D05AF3207F69230A@TYAPR01MB6201.jpnprd01.prod.outlook.com>
Date:   Mon, 10 Jul 2023 09:25:30 +0000
From:   <yuji2.ishikawa@...hiba.co.jp>
To:     <krzysztof.kozlowski@...aro.org>, <lkp@...el.com>,
        <hverkuil@...all.nl>, <sakari.ailus@....fi>,
        <laurent.pinchart@...asonboard.com>, <mchehab@...nel.org>,
        <robh+dt@...nel.org>, <krzk@...nel.org>, <conor+dt@...nel.org>,
        <nobuhiro1.iwamatsu@...hiba.co.jp>
CC:     <llvm@...ts.linux.dev>, <oe-kbuild-all@...ts.linux.dev>,
        <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v6 2/5] media: platform: visconti: Add Toshiba Visconti
 Video Input Interface driver

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Monday, July 10, 2023 3:05 PM
> To: ishikawa yuji(石川 悠司 ○ＲＤＣ□ＡＩＴＣ○ＥＡ開)
> <yuji2.ishikawa@...hiba.co.jp>; lkp@...el.com; hverkuil@...all.nl;
> sakari.ailus@....fi; laurent.pinchart@...asonboard.com; mchehab@...nel.org;
> robh+dt@...nel.org; krzk@...nel.org; conor+dt@...nel.org; iwamatsu
> nobuhiro(岩松 信洋 ○ＤＩＴＣ□ＤＩＴ○ＯＳＴ)
> <nobuhiro1.iwamatsu@...hiba.co.jp>
> Cc: llvm@...ts.linux.dev; oe-kbuild-all@...ts.linux.dev;
> linux-media@...r.kernel.org; devicetree@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v6 2/5] media: platform: visconti: Add Toshiba Visconti
> Video Input Interface driver
> 
> On 10/07/2023 02:16, yuji2.ishikawa@...hiba.co.jp wrote:
> >> -----Original Message-----
> >> From: kernel test robot <lkp@...el.com>
> >> Sent: Tuesday, June 20, 2023 9:58 PM
> >> To: ishikawa yuji(石川 悠司 ○ＲＤＣ□ＡＩＴＣ○ＥＡ開)
> >> <yuji2.ishikawa@...hiba.co.jp>; Hans Verkuil <hverkuil@...all.nl>;
> >> Sakari Ailus <sakari.ailus@....fi>; Laurent Pinchart
> >> <laurent.pinchart@...asonboard.com>; Mauro Carvalho Chehab
> >> <mchehab@...nel.org>; Rob Herring <robh+dt@...nel.org>; Krzysztof
> >> Kozlowski <krzk@...nel.org>; Conor Dooley <conor+dt@...nel.org>;
> >> iwamatsu nobuhiro(岩松 信洋 ○ＤＩＴＣ□ＤＩＴ○ＯＳＴ)
> >> <nobuhiro1.iwamatsu@...hiba.co.jp>
> >> Cc: llvm@...ts.linux.dev; oe-kbuild-all@...ts.linux.dev;
> >> linux-media@...r.kernel.org; devicetree@...r.kernel.org;
> >> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
> >> Subject: Re: [PATCH v6 2/5] media: platform: visconti: Add Toshiba
> >> Visconti Video Input Interface driver
> >>
> >> Hi Yuji,
> >>
> >> kernel test robot noticed the following build errors:
> >>
> >> [auto build test ERROR on media-tree/master] [also build test ERROR
> >> on linus/master sailus-media-tree/streams v6.4-rc7 next-20230620] [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#_base_tree_information]
> >>
> >> url:
> >> https://github.com/intel-lab-lkp/linux/commits/Yuji-Ishikawa/dt-bindi
> >> ngs-me
> >> dia-platform-visconti-Add-Toshiba-Visconti-Video-Input-Interface-bind
> >> ings/20
> >> 230620-120839
> >> base:   git://linuxtv.org/media_tree.git master
> >> patch link:
> >> https://lore.kernel.org/r/20230620031111.3776-3-yuji2.ishikawa%40tosh
> >> iba.co.j
> >> p
> >> patch subject: [PATCH v6 2/5] media: platform: visconti: Add Toshiba
> >> Visconti Video Input Interface driver
> >> config: x86_64-buildonly-randconfig-r001-20230620
> >> (https://download.01.org/0day-ci/archive/20230620/202306202006.FUjZfd
> >> 9O-l
> >> kp@...el.com/config)
> >> compiler: clang version 15.0.7
> >> (https://github.com/llvm/llvm-project.git
> >> 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
> >> reproduce:
> >> (https://download.01.org/0day-ci/archive/20230620/202306202006.FUjZfd
> >> 9O-l
> >> kp@...el.com/reproduce)
> >>
> >> If you fix the issue in a separate patch/commit (i.e. not just a new
> >> version of the same patch/commit), kindly add following tags
> >> | Reported-by: kernel test robot <lkp@...el.com>
> >> | Closes:
> >> | https://lore.kernel.org/oe-kbuild-all/202306202006.FUjZfd9O-lkp@intel.
> >> | com/
> >>
> >> All errors (new ones prefixed by >>):
> >>
> >>    In file included from <built-in>:1:
> >>    In file included from ./usr/include/linux/visconti_viif.h:12:
> >>>> usr/include/linux/videodev2.h:2464:20: error: field has incomplete
> >>>> type
> >> 'struct timespec'
> >>            struct timespec                 timestamp;
> >>                                            ^
> >>    usr/include/linux/videodev2.h:2464:9: note: forward declaration of
> >> 'struct timespec'
> >>            struct timespec                 timestamp;
> >>                   ^
> >>    1 error generated.
> >>
> >> --
> >> 0-DAY CI Kernel Test Service
> >> https://github.com/intel/lkp-tests/wiki
> >
> > I could not reproduce the error with the steps had been specified.
> >
> > * archived config file didn't compile Visconti VIIF driver (at least,
> > COMPILE_TEST is needed)
> 
> That's not true. The config has enabled CONFIG_VIDEO_VISCONTI_VIIF, so your
> reproduction steps were not correct (e.g. wrong arch, compiler etc).
> 
> > * the error message didn't appear even if I add some options to config file.
> > * Environment:
> >   * OS: Ubuntu 22.04
> >   * compiler: Ubuntu clang version 15.07
> 
> Different compilers can have have or not have warnings, but it does not allow to
> ignore this warning. You can analyze the code even without reproducing it, if the
> reproduction is a problem.
> 
> Best regards,
> Krzysztof

Thank you for your advice, I finally reproduced the error message.
The message is issued by HDRTEST process (not by CC or AR), therefore, we don't need to set Visconti related options to config.
The fix will be included in v7 patch.

Best regards,
Yuji Ishikawa

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