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Message-ID: <202509070943.sSXhFOJV-lkp@intel.com>
Date: Sun, 7 Sep 2025 09:34:05 +0800
From: kernel test robot <lkp@...el.com>
To: Manikanta Guntupalli <manikanta.guntupalli@....com>, git@....com,
michal.simek@....com, alexandre.belloni@...tlin.com,
Frank.Li@....com, robh@...nel.org, krzk+dt@...nel.org,
conor+dt@...nel.org, kees@...nel.org, gustavoars@...nel.org,
jarkko.nikula@...ux.intel.com, linux-i3c@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-hardening@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, radhey.shyam.pandey@....com,
srinivas.goud@....com, shubhrajyoti.datta@....com,
manion05gk@...il.com,
Manikanta Guntupalli <manikanta.guntupalli@....com>
Subject: Re: [PATCH V4 2/2] i3c: master: Add AMD I3C bus controller driver
Hi Manikanta,
kernel test robot noticed the following build errors:
[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.17-rc4 next-20250905]
[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/Manikanta-Guntupalli/dt-bindings-i3c-Add-AMD-I3C-master-controller-support/20250905-193904
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20250905113740.3841181-3-manikanta.guntupalli%40amd.com
patch subject: [PATCH V4 2/2] i3c: master: Add AMD I3C bus controller driver
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250907/202509070943.sSXhFOJV-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250907/202509070943.sSXhFOJV-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509070943.sSXhFOJV-lkp@intel.com/
All errors (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:75:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
75 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
155 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
include/linux/compiler_types.h:552:23: note: in definition of macro '__compiletime_assert'
552 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert'
572 | _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/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:75:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
75 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:76:56: note: in expansion of macro '__bf_shf'
76 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
155 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
In file included from drivers/i3c/master/amd-i3c-master.c:8:
include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
include/linux/bitfield.h:156:44: note: in definition of macro 'FIELD_GET'
156 | (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
| ^~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf'
45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
| ^
drivers/i3c/master/amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c: In function 'xi3c_master_bus_init':
drivers/i3c/master/amd-i3c-master.c:926:62: warning: left shift count >= width of type [-Wshift-count-overflow]
926 | info.pid = ((FIELD_GET(XI3C_PID1_MASK, pid1_bcr_dcr) << 32) |
| ^~
drivers/i3c/master/amd-i3c-master.c: In function 'xi3c_master_do_daa':
>> include/linux/compiler_types.h:572:45: error: call to '__compiletime_assert_400' declared with attribute error: FIELD_GET: mask is zero
572 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:553:25: note: in definition of macro '__compiletime_assert'
553 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert'
572 | _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/bitfield.h:67:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
67 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
155 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/i3c/master/amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
--
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:75:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
75 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
155 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
include/linux/compiler_types.h:552:23: note: in definition of macro '__compiletime_assert'
552 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert'
572 | _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/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:75:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
75 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:76:56: note: in expansion of macro '__bf_shf'
76 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
155 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
In file included from amd-i3c-master.c:8:
include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
include/linux/bitfield.h:156:44: note: in definition of macro 'FIELD_GET'
156 | (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
| ^~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf'
45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
| ^
amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
amd-i3c-master.c:54:49: note: in expansion of macro 'GENMASK'
54 | #define XI3C_PID_MASK GENMASK(63, 16)
| ^~~~~~~
amd-i3c-master.c:593:44: note: in expansion of macro 'XI3C_PID_MASK'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~~~~~
amd-i3c-master.c: In function 'xi3c_master_bus_init':
amd-i3c-master.c:926:62: warning: left shift count >= width of type [-Wshift-count-overflow]
926 | info.pid = ((FIELD_GET(XI3C_PID1_MASK, pid1_bcr_dcr) << 32) |
| ^~
amd-i3c-master.c: In function 'xi3c_master_do_daa':
>> include/linux/compiler_types.h:572:45: error: call to '__compiletime_assert_400' declared with attribute error: FIELD_GET: mask is zero
572 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:553:25: note: in definition of macro '__compiletime_assert'
553 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert'
572 | _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/bitfield.h:67:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
67 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
155 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
amd-i3c-master.c:593:34: note: in expansion of macro 'FIELD_GET'
593 | pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK,
| ^~~~~~~~~
vim +/__compiletime_assert_400 +572 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 558
eb5c2d4b45e3d2 Will Deacon 2020-07-21 559 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 560 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 561
eb5c2d4b45e3d2 Will Deacon 2020-07-21 562 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 563 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 564 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 565 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 566 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 567 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 568 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 569 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 570 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 571 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @572 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 573
--
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