Re: [PATCH v2 14/15] cpufreq: qcom-hw: Implement CPRh aware OSM programming

From: kernel test robot
Date: Sat Jan 09 2021 - 15:54:35 EST

Hi AngeloGioacchino,

I love your patch! Yet something to improve:

[auto build test ERROR on pm/linux-next]
[also build test ERROR on robh/for-next linux/master linus/master v5.11-rc2 next-20210108]
[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]

url: https://github.com/0day-ci/linux/commits/AngeloGioacchino-Del-Regno/Enable-CPRh-3-4-CPU-Scaling-on-various-QCOM-SoCs/20210110-021002
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: arm-randconfig-r022-20210108 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/390ca2a9300484089b567314e6a8c145f0652248
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review AngeloGioacchino-Del-Regno/Enable-CPRh-3-4-CPU-Scaling-on-various-QCOM-SoCs/20210110-021002
git checkout 390ca2a9300484089b567314e6a8c145f0652248
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm

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

All errors (new ones prefixed by >>):

In file included from include/linux/math.h:5,
from include/linux/kernel.h:13,
from include/linux/clk.h:13,
from include/linux/cpufreq.h:11,
from drivers/cpufreq/qcom-cpufreq-hw.c:11:
drivers/cpufreq/qcom-cpufreq-hw.c: In function 'qcom_cpufreq_gen_params':
>> arch/arm/include/asm/div64.h:51:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
51 | #define do_div(n, base) __div64_32(&(n), base)
| ^~~~
| |
| u32 * {aka unsigned int *}
drivers/cpufreq/qcom-cpufreq-hw.c:555:3: note: in expansion of macro 'do_div'
555 | do_div(millivolts, 1000);
| ^~~~~~
arch/arm/include/asm/div64.h:24:45: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'u32 *' {aka 'unsigned int *'}
24 | static inline uint32_t __div64_32(uint64_t *n, uint32_t base)
| ~~~~~~~~~~^
drivers/cpufreq/qcom-cpufreq-hw.c: In function 'qcom_cpufreq_acd_regbit':
>> arch/arm/include/asm/div64.h:51:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
51 | #define do_div(n, base) __div64_32(&(n), base)
| ^~~~
| |
| u32 * {aka unsigned int *}
drivers/cpufreq/qcom-cpufreq-hw.c:650:2: note: in expansion of macro 'do_div'
650 | do_div(regbit, 4);
| ^~~~~~
arch/arm/include/asm/div64.h:24:45: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'u32 *' {aka 'unsigned int *'}
24 | static inline uint32_t __div64_32(uint64_t *n, uint32_t base)
| ~~~~~~~~~~^
drivers/cpufreq/qcom-cpufreq-hw.c: In function 'qcom_cpufreq_hw_read_lut':
>> arch/arm/include/asm/div64.h:51:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
51 | #define do_div(n, base) __div64_32(&(n), base)
| ^~~~
| |
| u32 * {aka unsigned int *}
drivers/cpufreq/qcom-cpufreq-hw.c:1085:3: note: in expansion of macro 'do_div'
1085 | do_div(freq, 1000);
| ^~~~~~
arch/arm/include/asm/div64.h:24:45: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'u32 *' {aka 'unsigned int *'}
24 | static inline uint32_t __div64_32(uint64_t *n, uint32_t base)
| ~~~~~~~~~~^
drivers/cpufreq/qcom-cpufreq-hw.c: In function 'qcom_cpufreq_hw_driver_probe':
>> arch/arm/include/asm/div64.h:51:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
51 | #define do_div(n, base) __div64_32(&(n), base)
| ^~~~
| |
| long unsigned int *
drivers/cpufreq/qcom-cpufreq-hw.c:1591:2: note: in expansion of macro 'do_div'
1591 | do_div(cpu_hw_rate, soc_data->clk_hw_div);
| ^~~~~~
arch/arm/include/asm/div64.h:24:45: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'long unsigned int *'
24 | static inline uint32_t __div64_32(uint64_t *n, uint32_t base)
| ~~~~~~~~~~^
cc1: some warnings being treated as errors


vim +/__div64_32 +51 arch/arm/include/asm/div64.h

fa4adc614922c24 include/asm-arm/div64.h Nicolas Pitre 2006-12-06 44
fa4adc614922c24 include/asm-arm/div64.h Nicolas Pitre 2006-12-06 45 /*
040b323b5012b55 arch/arm/include/asm/div64.h Nicolas Pitre 2015-11-02 46 * In OABI configurations, some uses of the do_div function
040b323b5012b55 arch/arm/include/asm/div64.h Nicolas Pitre 2015-11-02 47 * cause gcc to run out of registers. To work around that,
040b323b5012b55 arch/arm/include/asm/div64.h Nicolas Pitre 2015-11-02 48 * we can force the use of the out-of-line version for
040b323b5012b55 arch/arm/include/asm/div64.h Nicolas Pitre 2015-11-02 49 * configurations that build a OABI kernel.
fa4adc614922c24 include/asm-arm/div64.h Nicolas Pitre 2006-12-06 50 */
040b323b5012b55 arch/arm/include/asm/div64.h Nicolas Pitre 2015-11-02 @51 #define do_div(n, base) __div64_32(&(n), base)
fa4adc614922c24 include/asm-arm/div64.h Nicolas Pitre 2006-12-06 52

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