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Date:   Wed, 9 Feb 2022 00:41:07 +0800
From:   kernel test robot <lkp@intel.com>
To:     Potin Lai <potin.lai@quantatw.com>,
        Guenter Roeck <linux@roeck-us.net>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        Patrick Williams <patrick@stwcx.xyz>,
        Potin Lai <potin.lai@quantatw.com>
Subject: Re: [PATCH v2 1/2] usb: typec: tcpm: add interface for passing
 supported_pd_rev from tcpc_dev
Message-ID: <202202090006.YLbevIuT-lkp@intel.com>
References: <20220208112226.9108-2-potin.lai@quantatw.com>
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In-Reply-To: <20220208112226.9108-2-potin.lai@quantatw.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
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Hi Potin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on v5.17-rc3 next-20220208]
[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/Potin-Lai/usb-typec-tcpm-add-interface-for-passing-supported_pd_rev-from-tcpc_dev/20220208-202246
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: hexagon-randconfig-r034-20220208 (https://download.01.org/0day-ci/archive/20220209/202202090006.YLbevIuT-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494)
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
        # https://github.com/0day-ci/linux/commit/322696594704fa918e63d1c80fa6d346a02e9a28
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Potin-Lai/usb-typec-tcpm-add-interface-for-passing-supported_pd_rev-from-tcpc_dev/20220208-202246
        git checkout 322696594704fa918e63d1c80fa6d346a02e9a28
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/usb/typec/tcpm/

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/usb/typec/tcpm/tcpm.c:581:9: warning: comparison of distinct pointer types ('typeof (rev) *' (aka 'unsigned int *') and 'typeof (2) *' (aka 'int *')) [-Wcompare-distinct-pointer-types]
           return min(rev, PD_MAX_REV);
                  ^~~~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:45:19: note: expanded from macro 'min'
   #define min(x, y)       __careful_cmp(x, y, <)
                           ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
           __builtin_choose_expr(__safe_cmp(x, y), \
                                 ^~~~~~~~~~~~~~~~
   include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
                   (__typecheck(x, y) && __no_side_effects(x, y))
                    ^~~~~~~~~~~~~~~~~
   include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
           (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                      ~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~~~
   1 warning generated.


vim +581 drivers/usb/typec/tcpm/tcpm.c

   573	
   574	static u32 tcpm_pd_supported_rev(struct tcpm_port *port)
   575	{
   576		u32 rev = PD_MAX_REV;
   577	
   578		if (port->tcpc->supported_pd_rev)
   579			rev = port->tcpc->supported_pd_rev(port->tcpc);
   580	
 > 581		return min(rev, PD_MAX_REV);
   582	}
   583	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org