Hi Sameer,

[auto build test WARNING on v4.5-rc6]
[also build test WARNING on next-20160302]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improving the system]

url:    
https://github.com/0day-ci/linux/commits/Tomeu-Vizoso/EC-based-USB-Power-Delivery-support-for-Chrome-machines/20160302-163035
config: arm-exynos_defconfig (attached as .config)
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
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All warnings (new ones prefixed by >>):

   drivers/power/cros_usbpd-charger.c: In function 'get_ec_usb_pd_power_info':
   drivers/power/cros_usbpd-charger.c:241:21: error: 
'POWER_SUPPLY_TYPE_USB_PD_DRP' undeclared (first use in this function)
       port->psy_type = POWER_SUPPLY_TYPE_USB_PD_DRP;
                        ^
   drivers/power/cros_usbpd-charger.c:241:21: note: each undeclared identifier 
is reported only once for each function it appears in
   drivers/power/cros_usbpd-charger.c:249:20: error: 
'POWER_SUPPLY_TYPE_USB_TYPE_C' undeclared (first use in this function)
      port->psy_type = POWER_SUPPLY_TYPE_USB_TYPE_C;
                       ^
   drivers/power/cros_usbpd-charger.c:261:21: error: 'POWER_SUPPLY_TYPE_USB_PD' 
undeclared (first use in this function)
       port->psy_type = POWER_SUPPLY_TYPE_USB_PD;
                        ^
   In file included from arch/arm/include/asm/div64.h:126:0,
                    from include/linux/kernel.h:136,
                    from include/linux/list.h:8,
                    from include/linux/preempt.h:10,
                    from include/linux/spinlock.h:50,
                    from include/linux/seqlock.h:35,
                    from include/linux/time.h:5,
                    from include/linux/ktime.h:24,
                    from drivers/power/cros_usbpd-charger.c:16:
   drivers/power/cros_usbpd-charger.c: In function 
'cros_usb_pd_print_log_entry':
   include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer 
types lacks a cast
     (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
                               ^
>> drivers/power/cros_usbpd-charger.c:527:2: note: in expansion of macro 
>> 'do_div'
     do_div(msecs, MSEC_PER_SEC);
     ^

vim +/do_div +527 drivers/power/cros_usbpd-charger.c

   511                                MCDP_FAMILY(minfo->family),
   512                                MCDP_CHIPID(minfo->chipid),
   513                                minfo->irom.major, minfo->irom.minor,
   514                                minfo->irom.build, minfo->fw.major,
   515                                minfo->fw.minor, minfo->fw.build);
   516                  break;
   517          default:
   518                  APPEND_STRING(buf, len,
   519                          "Event %02x (%04x) [", r->type, r->data);
   520                  for (i = 0; i < PD_LOG_SIZE(r->size_port); i++)
   521                          APPEND_STRING(buf, len, "%02x ", r->payload[i]);
   522                  APPEND_STRING(buf, len, "]");
   523                  break;
   524          }
   525  
   526          msecs = ktime_to_ms(tstamp);
 > 527          do_div(msecs, MSEC_PER_SEC);
   528          pr_info("PDLOG %d/%02d/%02d %02d:%02d:%02d.%03lld P%d %s\n",
   529                  rt.tm_year + 1900, rt.tm_mon + 1, rt.tm_mday,
   530                  rt.tm_hour, rt.tm_min, rt.tm_sec, msecs,
   531                  PD_LOG_PORT(r->size_port), buf);
   532  }
   533  
   534  static void cros_usb_pd_log_check(struct work_struct *work)
   535  {

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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