Hi Wang, [auto build test WARNING on linus/master] [also build test WARNING on v4.11-rc7 next-20170421] [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/ying-zhang22455-nxp-com/soc-fsl-add-support-for-arm64-Layerscape-SOC-specific-drivers/20170421-174921 config: arm64-allmodconfig (attached as .config) compiler: aarch64-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=arm64 All warnings (new ones prefixed by >>): drivers/soc/fsl/layerscape/ftm_alarm.c: In function 'ftm_clean_alarm': >> drivers/soc/fsl/layerscape/ftm_alarm.c:139:13: warning: large integer >> implicitly truncated to unsigned type [-Woverflow] ftm_writel(~0UL, ftm1_base + FTM_MOD); ^ vim +139 drivers/soc/fsl/layerscape/ftm_alarm.c 123 cycle = 0; 124 } 125 126 return cycle; 127 } 128 129 static u32 cycle_to_time(u32 cycle) 130 { 131 return cycle / alarm_freq + 1; 132 } 133 134 static void ftm_clean_alarm(void) 135 { 136 ftm_counter_disable(ftm1_base); 137 138 ftm_writel(0x00, ftm1_base + FTM_CNTIN); > 139 ftm_writel(~0UL, ftm1_base + FTM_MOD); 140 141 ftm_reset_counter(ftm1_base); 142 } 143 144 static int ftm_set_alarm(u64 cycle) 145 { 146 ftm_irq_disable(ftm1_base); 147 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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