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Message-ID: <202303102010.pAv56wKs-lkp@intel.com>
Date:   Fri, 10 Mar 2023 20:37:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     "A. Sverdlin" <alexander.sverdlin@...mens.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Alexander Sverdlin <alexander.sverdlin@...mens.com>,
        Alexander Stein <alexander.stein@...tq-group.com>,
        Dong Aisheng <aisheng.dong@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>, linux-i2c@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: lpi2c: cache peripheral clock rate

Hi Sverdlin,

I love your patch! Yet something to improve:

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on linus/master v6.3-rc1 next-20230310]
[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/A-Sverdlin/i2c-lpi2c-cache-peripheral-clock-rate/20230310-192720
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
patch link:    https://lore.kernel.org/r/20230310112605.476922-1-alexander.sverdlin%40siemens.com
patch subject: [PATCH v2] i2c: lpi2c: cache peripheral clock rate
config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20230310/202303102010.pAv56wKs-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/aa3870869fbb164ebdc12f412c07c66f1d7cdf2d
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review A-Sverdlin/i2c-lpi2c-cache-peripheral-clock-rate/20230310-192720
        git checkout aa3870869fbb164ebdc12f412c07c66f1d7cdf2d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/i2c/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303102010.pAv56wKs-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/container_of.h:5,
                    from include/linux/kernel.h:21,
                    from include/linux/clk.h:13,
                    from drivers/i2c/busses/i2c-imx-lpi2c.c:8:
   drivers/i2c/busses/i2c-imx-lpi2c.c: In function 'lpi2c_imx_clk_change_cb':
>> include/linux/container_of.h:20:54: error: 'struct lpi2c_imx_struct' has no member named 'clk_per'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                                                      ^~
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   drivers/i2c/busses/i2c-imx-lpi2c.c:207:46: note: in expansion of macro 'container_of'
     207 |         struct lpi2c_imx_struct *lpi2c_imx = container_of(&ndata->clk,
         |                                              ^~~~~~~~~~~~
   include/linux/compiler_types.h:338:27: error: expression in static assertion is not an integer
     338 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   drivers/i2c/busses/i2c-imx-lpi2c.c:207:46: note: in expansion of macro 'container_of'
     207 |         struct lpi2c_imx_struct *lpi2c_imx = container_of(&ndata->clk,
         |                                              ^~~~~~~~~~~~
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from ./arch/riscv/include/generated/asm/rwonce.h:1,
                    from include/linux/compiler.h:247,
                    from include/linux/err.h:5,
                    from include/linux/clk.h:12:
>> include/linux/stddef.h:16:33: error: 'struct lpi2c_imx_struct' has no member named 'clk_per'
      16 | #define offsetof(TYPE, MEMBER)  __builtin_offsetof(TYPE, MEMBER)
         |                                 ^~~~~~~~~~~~~~~~~~
   include/linux/container_of.h:23:28: note: in expansion of macro 'offsetof'
      23 |         ((type *)(__mptr - offsetof(type, member))); })
         |                            ^~~~~~~~
   drivers/i2c/busses/i2c-imx-lpi2c.c:207:46: note: in expansion of macro 'container_of'
     207 |         struct lpi2c_imx_struct *lpi2c_imx = container_of(&ndata->clk,
         |                                              ^~~~~~~~~~~~


vim +20 include/linux/container_of.h

d2a8ebbf8192b8 Andy Shevchenko  2021-11-08   9  
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  10  /**
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  11   * container_of - cast a member of a structure out to the containing structure
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  12   * @ptr:	the pointer to the member.
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  13   * @type:	the type of the container struct this is embedded in.
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  14   * @member:	the name of the member within the struct.
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  15   *
7376e561fd2e01 Sakari Ailus     2022-10-24  16   * WARNING: any const qualifier of @ptr is lost.
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  17   */
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  18  #define container_of(ptr, type, member) ({				\
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  19  	void *__mptr = (void *)(ptr);					\
e1edc277e6f6df Rasmus Villemoes 2021-11-08 @20  	static_assert(__same_type(*(ptr), ((type *)0)->member) ||	\
e1edc277e6f6df Rasmus Villemoes 2021-11-08  21  		      __same_type(*(ptr), void),			\
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  22  		      "pointer type mismatch in container_of()");	\
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  23  	((type *)(__mptr - offsetof(type, member))); })
d2a8ebbf8192b8 Andy Shevchenko  2021-11-08  24  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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