linux-kernel - Re: [PATCH v5 5/9] pinctrl: nuvoton: Add driver for WPCM450

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Date:   Sun, 30 Jan 2022 21:17:55 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     kernel test robot <lkp@...el.com>,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>, kbuild-all@...ts.01.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Tomer Maimon <tmaimon77@...il.com>,
        Joel Stanley <joel@....id.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Avi Fishman <avifishman70@...il.com>
Subject: Re: [PATCH v5 5/9] pinctrl: nuvoton: Add driver for WPCM450

On Sun, Jan 30, 2022 at 08:47:23PM +0200, Andy Shevchenko wrote:
> On Sat, Jan 29, 2022 at 4:10 PM kernel test robot <lkp@...el.com> wrote:
> >
> > Hi "Jonathan,
> >
> > I love your patch! Perhaps something to improve:
> >
> > [auto build test WARNING on linusw-pinctrl/devel]
> > [also build test WARNING on robh/for-next linus/master v5.17-rc1 next-20220128]
> > [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/Jonathan-Neusch-fer/Nuvoton-WPCM450-pinctrl-and-GPIO-driver/20220129-195955
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
> > config: um-allmodconfig (https://download.01.org/0day-ci/archive/20220129/202201292234.NpSNe4TD-lkp@intel.com/config)
> > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> > reproduce (this is a W=1 build):
> >         # https://github.com/0day-ci/linux/commit/3fd91ea1bad905592e89c8f987f6bd3740329b80
> >         git remote add linux-review https://github.com/0day-ci/linux
> >         git fetch --no-tags linux-review Jonathan-Neusch-fer/Nuvoton-WPCM450-pinctrl-and-GPIO-driver/20220129-195955
> >         git checkout 3fd91ea1bad905592e89c8f987f6bd3740329b80
> >         # save the config file to linux build tree
> >         mkdir build_dir
> >         make W=1 O=build_dir ARCH=um SHELL=/bin/bash drivers/pinctrl/nuvoton/
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@...el.com>
> >
> > All warnings (new ones prefixed by >>):
> 
> ...
> 
> > >> drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c:908: warning: "DS" redefined
> >      908 | #define DS(lo, hi) (((lo) << DRIVE_STRENGTH_LO_SHIFT) | \
> >          |
> 
> >    arch/x86/um/shared/sysdep/ptrace_64.h:38: note: this is the location of the previous definition
> >       38 | #define DS (HOST_DS * sizeof(long))
> 
> This is a good example why short and namespace-less definitions are
> not always good even in standalone module.
> 
> ...
> 
> >    drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c: In function 'npcm7xx_get_groups_count':
> >    drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c:1564:21: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
> 
> Should be %zu
> 
> If it's already in for-next, there should be two patches to fix these issues.

These warnings are about the pinctrl-npcm7xx driver, which was merged
many releases ago, but started to be built due to the Kconfig change in
my patchset.

I'll fix them anyway.


Jonathan

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