* [android-common:android16-6.12-2025-06 2/2] drivers/mmc/host/mmci.c:53:21: warning: 'fmax' defined but not used
@ 2025-12-18 10:14 kernel test robot
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From: kernel test robot @ 2025-12-18 10:14 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
tree: https://android.googlesource.com/kernel/common android16-6.12-2025-06
head: 9968d642dad11d8b20e29a3d250be16b57fd1dde
commit: 24f685a927c5a41df01d66069493bee40a5fb60e [2/2] UPSTREAM: block: add a rq_list type
config: arm-randconfig-003-20251218 (https://download.01.org/0day-ci/archive/20251218/202512181800.FHmdi6Xa-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251218/202512181800.FHmdi6Xa-lkp@intel.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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512181800.FHmdi6Xa-lkp@intel.com/
All warnings (new ones prefixed by >>):
include/linux/compiler_types.h:84:22: note: in expansion of macro '___PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^~~~~~~~
include/linux/compiler.h:166:37: note: in expansion of macro '__PASTE'
166 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^~~~~~~
include/linux/minmax.h:105:55: note: in expansion of macro '__UNIQUE_ID'
105 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^~~~~~~~~~~
include/linux/minmax.h:129:25: note: in expansion of macro '__careful_cmp'
129 | #define min(x, y) __careful_cmp(min, x, y)
| ^~~~~~~~~~~~~
drivers/mmc/host/mmci.c:2333:40: note: in expansion of macro 'min'
2333 | fmax : min(host->mclk, fmax);
| ^~~
include/linux/minmax.h:77:36: error: first argument to '__builtin_choose_expr' not a constant
77 | #define __signed_type(ux) typeof(__builtin_choose_expr(sizeof(ux)>4,1LL,1L))
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:516:23: note: in definition of macro '__compiletime_assert'
516 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:536:9: note: in expansion of macro '_compiletime_assert'
536 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/minmax.h:100:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
100 | BUILD_BUG_ON_MSG(!__types_ok(x,y,ux,uy), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:79:27: note: in expansion of macro 'statically_true'
79 | #define __is_nonneg(x,ux) statically_true((__signed_type(ux))(x)>=0)
| ^~~~~~~~~~~~~~~
include/linux/minmax.h:79:44: note: in expansion of macro '__signed_type'
79 | #define __is_nonneg(x,ux) statically_true((__signed_type(ux))(x)>=0)
| ^~~~~~~~~~~~~
include/linux/minmax.h:54:36: note: in expansion of macro '__is_nonneg'
54 | #define __signed_type_use(x,ux) (2+__is_nonneg(x,ux))
| ^~~~~~~~~~~
include/linux/minmax.h:57:9: note: in expansion of macro '__signed_type_use'
57 | __signed_type_use(x,ux):__unsigned_type_use(x,ux))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:82:29: note: in expansion of macro '__sign_use'
82 | (__sign_use(x,ux) & __sign_use(y,uy))
| ^~~~~~~~~~
include/linux/minmax.h:100:27: note: in expansion of macro '__types_ok'
100 | BUILD_BUG_ON_MSG(!__types_ok(x,y,ux,uy), \
| ^~~~~~~~~~
include/linux/minmax.h:105:9: note: in expansion of macro '__careful_cmp_once'
105 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^~~~~~~~~~~~~~~~~~
include/linux/minmax.h:129:25: note: in expansion of macro '__careful_cmp'
129 | #define min(x, y) __careful_cmp(min, x, y)
| ^~~~~~~~~~~~~
drivers/mmc/host/mmci.c:2333:40: note: in expansion of macro 'min'
2333 | fmax : min(host->mclk, fmax);
| ^~~
include/linux/minmax.h:77:36: error: first argument to '__builtin_choose_expr' not a constant
77 | #define __signed_type(ux) typeof(__builtin_choose_expr(sizeof(ux)>4,1LL,1L))
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:516:23: note: in definition of macro '__compiletime_assert'
516 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:536:9: note: in expansion of macro '_compiletime_assert'
536 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/minmax.h:100:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
100 | BUILD_BUG_ON_MSG(!__types_ok(x,y,ux,uy), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:79:27: note: in expansion of macro 'statically_true'
79 | #define __is_nonneg(x,ux) statically_true((__signed_type(ux))(x)>=0)
| ^~~~~~~~~~~~~~~
include/linux/minmax.h:79:44: note: in expansion of macro '__signed_type'
79 | #define __is_nonneg(x,ux) statically_true((__signed_type(ux))(x)>=0)
| ^~~~~~~~~~~~~
include/linux/minmax.h:54:36: note: in expansion of macro '__is_nonneg'
54 | #define __signed_type_use(x,ux) (2+__is_nonneg(x,ux))
| ^~~~~~~~~~~
include/linux/minmax.h:57:9: note: in expansion of macro '__signed_type_use'
57 | __signed_type_use(x,ux):__unsigned_type_use(x,ux))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:82:29: note: in expansion of macro '__sign_use'
82 | (__sign_use(x,ux) & __sign_use(y,uy))
| ^~~~~~~~~~
include/linux/minmax.h:100:27: note: in expansion of macro '__types_ok'
100 | BUILD_BUG_ON_MSG(!__types_ok(x,y,ux,uy), \
| ^~~~~~~~~~
include/linux/minmax.h:105:9: note: in expansion of macro '__careful_cmp_once'
105 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^~~~~~~~~~~~~~~~~~
include/linux/minmax.h:129:25: note: in expansion of macro '__careful_cmp'
129 | #define min(x, y) __careful_cmp(min, x, y)
| ^~~~~~~~~~~~~
drivers/mmc/host/mmci.c:2333:40: note: in expansion of macro 'min'
2333 | fmax : min(host->mclk, fmax);
| ^~~
drivers/mmc/host/mmci.c: At top level:
>> drivers/mmc/host/mmci.c:53:21: warning: 'fmax' defined but not used [-Wunused-variable]
53 | static unsigned int fmax = 515633;
| ^~~~
vim +/fmax +53 drivers/mmc/host/mmci.c
c3647fdc6a5a48 drivers/mmc/host/mmci.c Ludovic Barre 2018-10-08 52
^1da177e4c3f41 drivers/mmc/mmci.c Linus Torvalds 2005-04-16 @53 static unsigned int fmax = 515633;
^1da177e4c3f41 drivers/mmc/mmci.c Linus Torvalds 2005-04-16 54
:::::: The code at line 53 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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