Re: [PATCH v2] i2c: lpi2c: cache peripheral clock rate

From: kernel test robot
Date: Fri Mar 10 2023 - 07:39:04 EST


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@xxxxxxxxx/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@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303102010.pAv56wKs-lkp@xxxxxxxxx/

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

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