Re: [PATCHv2 2/2] mt7601u: use linux/bitfield.h

From: kbuild test robot
Date: Sat Jun 18 2016 - 18:09:17 EST

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Hi,

[auto build test ERROR on wireless-drivers-next/master]
[also build test ERROR on v4.7-rc3 next-20160617]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jakub-Kicinski/register-field-manipulation-macros/20160614-195149
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: x86_64-randconfig-s4-06190511 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/bitfield.h:19,
from drivers/net/wireless/mediatek/mt7601u/mt7601u.h:18,
from drivers/net/wireless/mediatek/mt7601u/init.c:16:
In function 'mt7601u_init_usb_dma',
inlined from 'mt7601u_init_hardware' at drivers/net/wireless/mediatek/mt7601u/init.c:359:2:
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_111' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(0x80) ? ~(((((~0UL) << (0)) & (~0UL >> (64 - 1 - (7))))) >> _bf_shf((((~0UL) << (0)) & (~0UL >> (64 - 1 - (7)))))) & (0x80) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/init.c:111:8: note: in expansion of macro 'MT76_SET'
val = MT76_SET(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, MT_USB_AGGR_TIMEOUT) |
^~~~~~~~
include/linux/compiler.h:510:38: error: call to '__compiletime_assert_112' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(28) ? ~(((((~0UL) << (8)) & (~0UL >> (64 - 1 - (15))))) >> _bf_shf((((~0UL) << (8)) & (~0UL >> (64 - 1 - (15)))))) & (28) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/init.c:112:8: note: in expansion of macro 'MT76_SET'
MT76_SET(MT_USB_DMA_CFG_RX_BULK_AGG_LMT, MT_USB_AGGR_SIZE_LIMIT) |
^~~~~~~~
drivers/net/wireless/mediatek/mt7601u/init.c: In function 'mt7601u_init_hardware':
include/linux/compiler.h:510:38: error: call to '__compiletime_assert_399' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(0x3f) ? ~(((((~0UL) << (0)) & (~0UL >> (64 - 1 - (5))))) >> _bf_shf((((~0UL) << (0)) & (~0UL >> (64 - 1 - (5)))))) & (0x3f) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/init.c:399:36: note: in expansion of macro 'MT76_SET'
mt7601u_wr(dev, MT_TXOP_CTRL_CFG, MT76_SET(MT_TXOP_TRUN_EN, 0x3f) |
^~~~~~~~
include/linux/compiler.h:510:38: error: call to '__compiletime_assert_400' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(0x58) ? ~(((((~0UL) << (8)) & (~0UL >> (64 - 1 - (15))))) >> _bf_shf((((~0UL) << (8)) & (~0UL >> (64 - 1 - (15)))))) & (0x58) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/init.c:400:8: note: in expansion of macro 'MT76_SET'
MT76_SET(MT_TXOP_EXT_CCA_DLY, 0x58));
^~~~~~~~
--
In file included from include/linux/byteorder/little_endian.h:4:0,
from arch/x86/include/uapi/asm/byteorder.h:4,
from include/asm-generic/bitops/le.h:5,
from arch/x86/include/asm/bitops.h:504,
from include/linux/bitops.h:36,
from include/linux/kernel.h:10,
from drivers/net/wireless/mediatek/mt7601u/mcu.c:16:
drivers/net/wireless/mediatek/mt7601u/mcu.c: In function '__mt7601u_dma_fw':
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_294' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(len) ? ~(((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15))))) >> _bf_shf((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15)))))) & (len) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/uapi/linux/byteorder/little_endian.h:32:51: note: in definition of macro '__cpu_to_le32'
#define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
^
>> include/linux/compiler.h:498:2: note: in expansion of macro '__compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mcu.c:294:20: note: in expansion of macro 'MT76_SET'
reg = cpu_to_le32(MT76_SET(MT_TXD_INFO_TYPE, DMA_PACKET) |
^~~~~~~~
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_294' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(len) ? ~(((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15))))) >> _bf_shf((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15)))))) & (len) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/uapi/linux/byteorder/little_endian.h:32:51: note: in definition of macro '__cpu_to_le32'
#define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
^
>> include/linux/compiler.h:498:2: note: in expansion of macro '__compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/mcu.c:295:6: note: in expansion of macro 'MT76_SET'
MT76_SET(MT_TXD_INFO_D_PORT, CPU_TX_PORT) |
^~~~~~~~
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_294' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(len) ? ~(((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15))))) >> _bf_shf((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15)))))) & (len) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/uapi/linux/byteorder/little_endian.h:32:51: note: in definition of macro '__cpu_to_le32'
#define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
^
>> include/linux/compiler.h:498:2: note: in expansion of macro '__compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/mcu.c:296:6: note: in expansion of macro 'MT76_SET'
MT76_SET(MT_TXD_INFO_LEN, len));
^~~~~~~~
In file included from arch/x86/include/asm/bug.h:35:0,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/gfp.h:4,
from include/linux/firmware.h:6,
from drivers/net/wireless/mediatek/mt7601u/mcu.c:17:
In function 'mt7601u_dma_skb_wrap_cmd',
inlined from 'mt7601u_mcu_msg_send' at drivers/net/wireless/mediatek/mt7601u/mcu.c:135:2:
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_47' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(cmd) ? ~(((((~0UL) << (20)) & (~0UL >> (64 - 1 - (26))))) >> _bf_shf((((~0UL) << (20)) & (~0UL >> (64 - 1 - (26)))))) & (cmd) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/asm-generic/bug.h:92:25: note: in definition of macro 'WARN_ON'
int __ret_warn_on = !!(condition); \
^~~~~~~~~
>> include/linux/compiler.h:498:2: note: in expansion of macro '__compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
--
In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/bitfield.h:19,
from drivers/net/wireless/mediatek/mt7601u/mt7601u.h:18,
from drivers/net/wireless/mediatek/mt7601u/dma.c:14:
In function 'mt7601u_rx_process_seg',
inlined from 'mt7601u_rx_process_entry' at drivers/net/wireless/mediatek/mt7601u/dma.c:151:3,
inlined from 'mt7601u_rx_tasklet' at drivers/net/wireless/mediatek/mt7601u/dma.c:219:3:
include/linux/compiler.h:510:38: error: call to '__compiletime_assert_106' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(0) ? ~(((((~0UL) << (30)) & (~0UL >> (64 - 1 - (31))))) >> _bf_shf((((~0UL) << (30)) & (~0UL >> (64 - 1 - (31)))))) & (0) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:170:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
>> include/linux/compiler.h:498:2: note: in expansion of macro '__compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
include/linux/bitfield.h:42:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, 0); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:286:18: note: in expansion of macro 'FIELD_GET'
#define MT76_GET FIELD_GET
^~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/dma.c:106:15: note: in expansion of macro 'MT76_GET'
if (unlikely(MT76_GET(MT_RXD_INFO_TYPE, fce_info)))
^~~~~~~~
In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/bitfield.h:19,
from drivers/net/wireless/mediatek/mt7601u/mt7601u.h:18,
from drivers/net/wireless/mediatek/mt7601u/dma.c:14:
In function 'mt7601u_dma_skb_wrap_pkt',
inlined from 'mt7601u_dma_enqueue_tx' at drivers/net/wireless/mediatek/mt7601u/dma.c:350:6:
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_91' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(qsel) ? ~(((((~0UL) << (25)) & (~0UL >> (64 - 1 - (26))))) >> _bf_shf((((~0UL) << (25)) & (~0UL >> (64 - 1 - (26)))))) & (qsel) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/dma.h:91:11: note: in expansion of macro 'MT76_SET'
flags |= MT76_SET(MT_TXD_PKT_INFO_QSEL, qsel);
^~~~~~~~
In function 'mt7601u_dma_skb_wrap.constprop',
inlined from 'mt7601u_dma_skb_wrap_pkt' at drivers/net/wireless/mediatek/mt7601u/dma.h:92:9,
inlined from 'mt7601u_dma_enqueue_tx' at drivers/net/wireless/mediatek/mt7601u/dma.c:350:6:
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_80' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(((((skb->len)-1) | ((__typeof__(skb->len))((4)-1)))+1)) ? ~(((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15))))) >> _bf_shf((((~0UL) << (0)) & (~0UL >> (64 - 1 - (15)))))) & (((((skb->len)-1) | ((__typeof__(skb->len))((4)-1)))+1)) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/dma.h:80:3: note: in expansion of macro 'MT76_SET'
MT76_SET(MT_TXD_INFO_LEN, round_up(skb->len, 4)) |
^~~~~~~~
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_81' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(d_port) ? ~(((((~0UL) << (27)) & (~0UL >> (64 - 1 - (29))))) >> _bf_shf((((~0UL) << (27)) & (~0UL >> (64 - 1 - (29)))))) & (d_port) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt7601u/mt7601u.h:285:18: note: in expansion of macro 'FIELD_PUT'
#define MT76_SET FIELD_PUT
^~~~~~~~~
drivers/net/wireless/mediatek/mt7601u/dma.h:81:3: note: in expansion of macro 'MT76_SET'
MT76_SET(MT_TXD_INFO_D_PORT, d_port) |
^~~~~~~~
>> include/linux/compiler.h:510:38: error: call to '__compiletime_assert_82' declared with attribute error: BUILD_BUG_ON failed: __builtin_constant_p(type) ? ~(((((~0UL) << (30)) & (~0UL >> (64 - 1 - (31))))) >> _bf_shf((((~0UL) << (30)) & (~0UL >> (64 - 1 - (31)))))) & (type) : 0
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:493:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:510:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:75:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> include/linux/bitfield.h:28:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(_mask) || (hi && !is_power_of_2_u64(hi))); \
^~~~~~~~~~~~
>> include/linux/bitfield.h:36:3: note: in expansion of macro '_BF_FIELD_CHECK'
_BF_FIELD_CHECK(_mask, _val); \
^~~~~~~~~~~~~~~
..

vim +/__compiletime_assert_111 +510 include/linux/compiler.h

9a8ab1c3 Daniel Santos 2013-02-21 492 if (__cond) \
9a8ab1c3 Daniel Santos 2013-02-21 493 prefix ## suffix(); \
9a8ab1c3 Daniel Santos 2013-02-21 494 __compiletime_error_fallback(__cond); \
9a8ab1c3 Daniel Santos 2013-02-21 495 } while (0)
9a8ab1c3 Daniel Santos 2013-02-21 496
9a8ab1c3 Daniel Santos 2013-02-21 497 #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21 @498 __compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21 499
9a8ab1c3 Daniel Santos 2013-02-21 500 /**
9a8ab1c3 Daniel Santos 2013-02-21 501 * compiletime_assert - break build and emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 502 * @condition: a compile-time constant condition to check
9a8ab1c3 Daniel Santos 2013-02-21 503 * @msg: a message to emit if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 504 *
9a8ab1c3 Daniel Santos 2013-02-21 505 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 506 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 507 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 508 */
9a8ab1c3 Daniel Santos 2013-02-21 509 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @510 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 511
47933ad4 Peter Zijlstra 2013-11-06 512 #define compiletime_assert_atomic_type(t) \
47933ad4 Peter Zijlstra 2013-11-06 513 compiletime_assert(__native_word(t), \

:::::: The code at line 510 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos <daniel.santos@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

---
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