Hi Icenowy, [auto build test WARNING on robh/for-next] [also build test WARNING on v4.13-rc2 next-20170724] [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/Icenowy-Zheng/IIO-based-thermal-sensor-driver-for-Allwinner-H3-SoC/20170725-035642 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc64 All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:10:0, from include/linux/clk.h:16, from drivers/iio/adc/sun4i-gpadc-iio.c:25: drivers/iio/adc/sun4i-gpadc-iio.c: In function 'sun8i_h3_gpadc_sample_start': include/linux/bitops.h:6:19: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define BIT(nr) (1UL << (nr)) ^ >> include/linux/mfd/sun4i-gpadc.h:57:45: note: in expansion of macro 'BIT' #define SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN BIT(0) ^~~ >> drivers/iio/adc/sun4i-gpadc-iio.c:414:8: note: in expansion of macro 'SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN' SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN | ^ -- In file included from include/linux/kernel.h:10:0, from include/linux/clk.h:16, from drivers/iio//adc/sun4i-gpadc-iio.c:25: drivers/iio//adc/sun4i-gpadc-iio.c: In function 'sun8i_h3_gpadc_sample_start': include/linux/bitops.h:6:19: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define BIT(nr) (1UL << (nr)) ^ >> include/linux/mfd/sun4i-gpadc.h:57:45: note: in expansion of macro 'BIT' #define SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN BIT(0) ^~~ drivers/iio//adc/sun4i-gpadc-iio.c:414:8: note: in expansion of macro 'SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN' SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN | ^ vim +/BIT +57 include/linux/mfd/sun4i-gpadc.h 56 > 57 #define SUN8I_H3_GPADC_CTRL2_TEMP_SENSE_EN BIT(0) 58 #define SUN8I_H3_GPADC_CTRL2_T_ACQ1(x) ((GENMASK(15, 0) * (x)) << 16) 59 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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