[tip:timers/core 1/1] arch/tile/include/asm/div64.h:5:1: error: unknown type name 'u64'

From: kbuild test robot
Date: Sun Jan 15 2017 - 12:16:35 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
head: 9e3d6223d2093a8903c8f570a06284453ee59944
commit: 9e3d6223d2093a8903c8f570a06284453ee59944 [1/1] math64, timers: Fix 32bit mul_u64_u32_shr() and friends
config: tile-allmodconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 9e3d6223d2093a8903c8f570a06284453ee59944
# save the attached .config to linux build tree
make.cross ARCH=tile

All errors (new ones prefixed by >>):

In file included from drivers/media/dvb-frontends/lgdt3305.c:24:0:
>> arch/tile/include/asm/div64.h:5:1: error: unknown type name 'u64'
>> arch/tile/include/asm/div64.h:5:31: error: unknown type name 'u32'
arch/tile/include/asm/div64.h:5:38: error: unknown type name 'u32'
In file included from include/linux/time.h:6:0,
from include/linux/ktime.h:24,
from include/linux/rcupdate.h:47,
from include/linux/srcu.h:33,
from include/linux/notifier.h:15,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:751,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/media/dvb-frontends/lgdt3305.c:26:
include/linux/math64.h: In function 'mul_u64_u32_shr':
>> include/linux/math64.h:173:2: error: implicit declaration of function 'mul_u32_u32'
cc1: some warnings being treated as errors
--
In file included from drivers/media/dvb-frontends/lgdt3306a.c:21:0:
>> arch/tile/include/asm/div64.h:5:1: error: unknown type name 'u64'
>> arch/tile/include/asm/div64.h:5:31: error: unknown type name 'u32'
arch/tile/include/asm/div64.h:5:38: error: unknown type name 'u32'
In file included from include/linux/time.h:6:0,
from include/linux/ktime.h:24,
from include/linux/rcupdate.h:47,
from include/linux/idr.h:18,
from include/linux/kernfs.h:14,
from include/linux/sysfs.h:15,
from include/linux/kobject.h:21,
from include/linux/device.h:17,
from include/linux/i2c.h:30,
from drivers/media/dvb-frontends/lgdt3306a.h:21,
from drivers/media/dvb-frontends/lgdt3306a.c:24:
include/linux/math64.h: In function 'mul_u64_u32_shr':
>> include/linux/math64.h:173:2: error: implicit declaration of function 'mul_u32_u32'
cc1: some warnings being treated as errors
--
In file included from drivers/media/dvb-frontends/lgs8gxx.c:26:0:
>> arch/tile/include/asm/div64.h:5:1: error: unknown type name 'u64'
>> arch/tile/include/asm/div64.h:5:31: error: unknown type name 'u32'
arch/tile/include/asm/div64.h:5:38: error: unknown type name 'u32'
In file included from include/linux/time.h:6:0,
from include/linux/ktime.h:24,
from include/linux/rcupdate.h:47,
from include/linux/srcu.h:33,
from include/linux/notifier.h:15,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:751,
from include/linux/gfp.h:5,
from include/linux/firmware.h:6,
from drivers/media/dvb-frontends/lgs8gxx.c:27:
include/linux/math64.h: In function 'mul_u64_u32_shr':
>> include/linux/math64.h:173:2: error: implicit declaration of function 'mul_u32_u32'
cc1: some warnings being treated as errors
--
In file included from drivers/media/dvb-frontends/atbm8830.c:22:0:
>> arch/tile/include/asm/div64.h:5:1: error: unknown type name 'u64'
>> arch/tile/include/asm/div64.h:5:31: error: unknown type name 'u32'
arch/tile/include/asm/div64.h:5:38: error: unknown type name 'u32'
In file included from include/linux/time.h:6:0,
from include/uapi/linux/timex.h:56,
from include/linux/timex.h:56,
from include/linux/sched.h:19,
from drivers/media/dvb-core/dvb_frontend.h:36,
from drivers/media/dvb-frontends/atbm8830.c:23:
include/linux/math64.h: In function 'mul_u64_u32_shr':
>> include/linux/math64.h:173:2: error: implicit declaration of function 'mul_u32_u32'
cc1: some warnings being treated as errors

vim +/u64 +5 arch/tile/include/asm/div64.h

1 #ifndef _ASM_TILE_DIV64_H
2 #define _ASM_TILE_DIV64_H
3
4 #ifdef __tilegx__
> 5 static inline u64 mul_u32_u32(u32 a, u32 b)
6 {
7 return __insn_mul_lu_lu(a, b);
8 }

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