From: kernel test robot <lkp@intel.com>
To: David Yang <mmyangfl@gmail.com>, netdev@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev, David Yang <mmyangfl@gmail.com>,
Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>,
Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 1/3] net: dsa: yt921x: Add STP/MST support
Date: Sat, 25 Oct 2025 09:23:54 +0800 [thread overview]
Message-ID: <202510250959.Yk9JusD0-lkp@intel.com> (raw)
In-Reply-To: <20251024033237.1336249-2-mmyangfl@gmail.com>
Hi David,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/David-Yang/net-dsa-yt921x-Add-STP-MST-support/20251024-113613
base: net-next/main
patch link: https://lore.kernel.org/r/20251024033237.1336249-2-mmyangfl%40gmail.com
patch subject: [PATCH net-next 1/3] net: dsa: yt921x: Add STP/MST support
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20251025/202510250959.Yk9JusD0-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251025/202510250959.Yk9JusD0-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/202510250959.Yk9JusD0-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/bitops.h:6,
from include/linux/kernel.h:23,
from include/linux/skbuff.h:13,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/net/dsa/yt921x.c:11:
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_vlan_msti_set':
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.c:2154:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
2154 | mask64 = YT921X_VLAN_CTRL_STP_ID_M;
| ^~~~~~~~~~~~~~~~~~~~~~~~~
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/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
drivers/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.c:2154:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
2154 | mask64 = YT921X_VLAN_CTRL_STP_ID_M;
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from <command-line>:
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
65 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
65 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:68:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:68:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:68:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:69:47: note: in expansion of macro '__bf_shf'
69 | ~((_mask) >> __bf_shf(_mask)) & \
| ^~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:68:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:69:47: note: in expansion of macro '__bf_shf'
69 | ~((_mask) >> __bf_shf(_mask)) & \
| ^~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:72:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
72 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:72:34: note: in expansion of macro '__bf_cast_unsigned'
72 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:72:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
72 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:72:34: note: in expansion of macro '__bf_cast_unsigned'
72 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/compiler_types.h:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:577:23: note: in definition of macro '__compiletime_assert'
577 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/mdio.h:10,
from drivers/net/dsa/yt921x.c:16:
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf'
45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
| ^
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
include/linux/bitfield.h:116:63: note: in definition of macro 'FIELD_PREP'
116 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
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:116:63: note: in definition of macro 'FIELD_PREP'
116 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_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/net/dsa/yt921x.h:341:49: note: in expansion of macro 'GENMASK'
341 | #define YT921X_VLAN_CTRL_STP_ID_M GENMASK(39, 36)
| ^~~~~~~
drivers/net/dsa/yt921x.h:342:68: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID_M'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:597:45: error: call to '__compiletime_assert_943' declared with attribute error: FIELD_PREP: mask is zero
597 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:578:25: note: in definition of macro '__compiletime_assert'
578 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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:115:17: note: in expansion of macro '__BF_FIELD_CHECK'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/dsa/yt921x.h:342:57: note: in expansion of macro 'FIELD_PREP'
342 | #define YT921X_VLAN_CTRL_STP_ID(x) FIELD_PREP(YT921X_VLAN_CTRL_STP_ID_M, (x))
| ^~~~~~~~~~
drivers/net/dsa/yt921x.c:2155:18: note: in expansion of macro 'YT921X_VLAN_CTRL_STP_ID'
2155 | ctrl64 = YT921X_VLAN_CTRL_STP_ID(msti->msti);
| ^~~~~~~~~~~~~~~~~~~~~~~
..
vim +48 include/linux/bits.h
31299a5e021124 Vincent Mailhol 2025-03-26 35
19408200c09485 Vincent Mailhol 2025-03-26 36 /*
19408200c09485 Vincent Mailhol 2025-03-26 37 * Generate a mask for the specified type @t. Additional checks are made to
19408200c09485 Vincent Mailhol 2025-03-26 38 * guarantee the value returned fits in that type, relying on
19408200c09485 Vincent Mailhol 2025-03-26 39 * -Wshift-count-overflow compiler check to detect incompatible arguments.
19408200c09485 Vincent Mailhol 2025-03-26 40 * For example, all these create build errors or warnings:
19408200c09485 Vincent Mailhol 2025-03-26 41 *
19408200c09485 Vincent Mailhol 2025-03-26 42 * - GENMASK(15, 20): wrong argument order
19408200c09485 Vincent Mailhol 2025-03-26 43 * - GENMASK(72, 15): doesn't fit unsigned long
19408200c09485 Vincent Mailhol 2025-03-26 44 * - GENMASK_U32(33, 15): doesn't fit in a u32
19408200c09485 Vincent Mailhol 2025-03-26 45 */
19408200c09485 Vincent Mailhol 2025-03-26 46 #define GENMASK_TYPE(t, h, l) \
19408200c09485 Vincent Mailhol 2025-03-26 47 ((t)(GENMASK_INPUT_CHECK(h, l) + \
19408200c09485 Vincent Mailhol 2025-03-26 @48 (type_max(t) << (l) & \
19408200c09485 Vincent Mailhol 2025-03-26 49 type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
19408200c09485 Vincent Mailhol 2025-03-26 50
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-10-25 1:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-24 3:32 [PATCH net-next 0/3] net: dsa: yt921x: Add STP/MST/HSR/LAG support David Yang
2025-10-24 3:32 ` [PATCH net-next 1/3] net: dsa: yt921x: Add STP/MST support David Yang
2025-10-24 15:52 ` Simon Horman
2025-10-25 1:23 ` kernel test robot [this message]
2025-10-25 2:39 ` kernel test robot
2025-10-25 5:43 ` kernel test robot
2025-10-26 23:54 ` Andrew Lunn
2025-10-24 3:32 ` [PATCH net-next 2/3] net: dsa: yt921x: Add HSR offloading support David Yang
2025-10-24 3:32 ` [PATCH net-next 3/3] net: dsa: yt921x: Add LAG " David Yang
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