[steev:lenovo-x13s-6.0.0-rc6 123/188] include/asm-generic/div64.h:238:36: error: passing argument 1 of '__div64_32' from incompatible pointer type

From: kernel test robot
Date: Wed Sep 21 2022 - 01:02:22 EST

tree: https://github.com/steev/linux lenovo-x13s-6.0.0-rc6
head: f4a02e6280c26e78e46fc8fabf6d8b2f5bd8ef1a
commit: c16db7b5ea8a7c8f89aa0940b5877b0cc1f165da [123/188] power: supply: Introduce Qualcomm PMIC GLINK power supply
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220921/202209211224.i3razrAF-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/steev/linux/commit/c16db7b5ea8a7c8f89aa0940b5877b0cc1f165da
git remote add steev https://github.com/steev/linux
git fetch --no-tags steev lenovo-x13s-6.0.0-rc6
git checkout c16db7b5ea8a7c8f89aa0940b5877b0cc1f165da
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/power/supply/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from ./arch/powerpc/include/generated/asm/div64.h:1,
from include/linux/math.h:6,
from include/linux/math64.h:6,
from include/linux/time64.h:5,
from include/linux/restart_block.h:10,
from include/linux/thread_info.h:14,
from arch/powerpc/include/asm/ptrace.h:323,
from arch/powerpc/include/asm/hw_irq.h:12,
from arch/powerpc/include/asm/irqflags.h:12,
from include/linux/irqflags.h:16,
from include/asm-generic/cmpxchg-local.h:6,
from arch/powerpc/include/asm/cmpxchg.h:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/rcupdate.h:25,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/auxiliary_bus.h:11,
from drivers/power/supply/qcom_battmgr.c:6:
drivers/power/supply/qcom_battmgr.c: In function 'qcom_battmgr_sm8350_callback':
include/asm-generic/div64.h:222:35: warning: comparison of distinct pointer types lacks a cast
222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
| ^~
drivers/power/supply/qcom_battmgr.c:1126:25: note: in expansion of macro 'do_div'
1126 | do_div(battmgr->status.percent, 100);
| ^~~~~~
In file included from include/linux/dev_printk.h:14:
include/asm-generic/div64.h:234:32: warning: right shift count >= width of type [-Wshift-count-overflow]
234 | } else if (likely(((n) >> 32) == 0)) { \
| ^~
include/linux/compiler.h:77:45: note: in definition of macro 'likely'
77 | # define likely(x) __builtin_expect(!!(x), 1)
| ^
drivers/power/supply/qcom_battmgr.c:1126:25: note: in expansion of macro 'do_div'
1126 | do_div(battmgr->status.percent, 100);
| ^~~~~~
>> include/asm-generic/div64.h:238:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
238 | __rem = __div64_32(&(n), __base); \
| ^~~~
| |
| unsigned int *
drivers/power/supply/qcom_battmgr.c:1126:25: note: in expansion of macro 'do_div'
1126 | do_div(battmgr->status.percent, 100);
| ^~~~~~
include/asm-generic/div64.h:213:38: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'unsigned int *'
213 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
| ~~~~~~~~~~^~~~~~~~
cc1: some warnings being treated as errors


vim +/__div64_32 +238 include/asm-generic/div64.h

^1da177e4c3f41 Linus Torvalds 2005-04-16 215
^1da177e4c3f41 Linus Torvalds 2005-04-16 216 /* The unnecessary pointer compare is there
^1da177e4c3f41 Linus Torvalds 2005-04-16 217 * to check for type safety (n must be 64bit)
^1da177e4c3f41 Linus Torvalds 2005-04-16 218 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 219 # define do_div(n,base) ({ \
^1da177e4c3f41 Linus Torvalds 2005-04-16 220 uint32_t __base = (base); \
^1da177e4c3f41 Linus Torvalds 2005-04-16 221 uint32_t __rem; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 222 (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
911918aa7ef6f8 Nicolas Pitre 2015-11-02 223 if (__builtin_constant_p(__base) && \
911918aa7ef6f8 Nicolas Pitre 2015-11-02 224 is_power_of_2(__base)) { \
911918aa7ef6f8 Nicolas Pitre 2015-11-02 225 __rem = (n) & (__base - 1); \
911918aa7ef6f8 Nicolas Pitre 2015-11-02 226 (n) >>= ilog2(__base); \
c747ce4706190e Geert Uytterhoeven 2021-08-11 227 } else if (__builtin_constant_p(__base) && \
461a5e51060c93 Nicolas Pitre 2015-10-30 228 __base != 0) { \
461a5e51060c93 Nicolas Pitre 2015-10-30 229 uint32_t __res_lo, __n_lo = (n); \
461a5e51060c93 Nicolas Pitre 2015-10-30 230 (n) = __div64_const32(n, __base); \
461a5e51060c93 Nicolas Pitre 2015-10-30 231 /* the remainder can be computed with 32-bit regs */ \
461a5e51060c93 Nicolas Pitre 2015-10-30 232 __res_lo = (n); \
461a5e51060c93 Nicolas Pitre 2015-10-30 233 __rem = __n_lo - __res_lo * __base; \
911918aa7ef6f8 Nicolas Pitre 2015-11-02 234 } else if (likely(((n) >> 32) == 0)) { \
^1da177e4c3f41 Linus Torvalds 2005-04-16 235 __rem = (uint32_t)(n) % __base; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 236 (n) = (uint32_t)(n) / __base; \
c747ce4706190e Geert Uytterhoeven 2021-08-11 237 } else { \
^1da177e4c3f41 Linus Torvalds 2005-04-16 @238 __rem = __div64_32(&(n), __base); \
c747ce4706190e Geert Uytterhoeven 2021-08-11 239 } \
^1da177e4c3f41 Linus Torvalds 2005-04-16 240 __rem; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 241 })
^1da177e4c3f41 Linus Torvalds 2005-04-16 242

:::::: The code at line 238 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

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