[rtc-linux] Re: [PATCH v3 1/2] rtc-cmos: Clear ACPI-driven alarms upon resume

[kbuild test robot <lkp@intel.com>]

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Hi Gabriele,

[auto build test WARNING on abelloni/rtc-next]
[also build test WARNING on v4.8-rc6 next-20160914]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Gabriele-Mazzotta/rtc-cmos-Clear-ACPI-driven-alarms-upon-resume/20160915-031802
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: i386-randconfig-x0-09150359 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/linux/linkage.h:4:0,
                    from include/linux/kernel.h:6,
                    from drivers/rtc/rtc-cmos.c:34:
   drivers/rtc/rtc-cmos.c: In function 'cmos_resume':
   drivers/rtc/rtc-cmos.c:941:9: error: 'acpi_gbl_FADT' undeclared (first use in this function)
          !(acpi_gbl_FADT.flags & ACPI_FADT_FIXED_RTC)) {
            ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/rtc/rtc-cmos.c:940:3: note: in expansion of macro 'if'
      if ((tmp & RTC_AIE) &&
      ^~
   drivers/rtc/rtc-cmos.c:941:9: note: each undeclared identifier is reported only once for each function it appears in
          !(acpi_gbl_FADT.flags & ACPI_FADT_FIXED_RTC)) {
            ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/rtc/rtc-cmos.c:940:3: note: in expansion of macro 'if'
      if ((tmp & RTC_AIE) &&
      ^~
   drivers/rtc/rtc-cmos.c:941:31: error: 'ACPI_FADT_FIXED_RTC' undeclared (first use in this function)
          !(acpi_gbl_FADT.flags & ACPI_FADT_FIXED_RTC)) {
                                  ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/rtc/rtc-cmos.c:940:3: note: in expansion of macro 'if'
      if ((tmp & RTC_AIE) &&
      ^~
   drivers/rtc/rtc-cmos.c:942:4: error: unknown type name 'acpi_status'
       acpi_status status;
       ^~~~~~~~~~~
   drivers/rtc/rtc-cmos.c:943:4: error: unknown type name 'acpi_event_status'
       acpi_event_status rtc_status;
       ^~~~~~~~~~~~~~~~~
   drivers/rtc/rtc-cmos.c:945:13: error: implicit declaration of function 'acpi_get_event_status' [-Werror=implicit-function-declaration]
       status = acpi_get_event_status(ACPI_EVENT_RTC,
                ^~~~~~~~~~~~~~~~~~~~~
   drivers/rtc/rtc-cmos.c:945:35: error: 'ACPI_EVENT_RTC' undeclared (first use in this function)
       status = acpi_get_event_status(ACPI_EVENT_RTC,
                                      ^~~~~~~~~~~~~~
   In file included from include/linux/linkage.h:4:0,
                    from include/linux/kernel.h:6,
                    from drivers/rtc/rtc-cmos.c:34:
   drivers/rtc/rtc-cmos.c:947:8: error: implicit declaration of function 'ACPI_FAILURE' [-Werror=implicit-function-declaration]
       if (ACPI_FAILURE(status)) {
           ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
   drivers/rtc/rtc-cmos.c:947:4: note: in expansion of macro 'if'
       if (ACPI_FAILURE(status)) {
       ^~
   drivers/rtc/rtc-cmos.c:949:28: error: 'ACPI_EVENT_FLAG_SET' undeclared (first use in this function)
       } else if (rtc_status & ACPI_EVENT_FLAG_SET) {
                               ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
   drivers/rtc/rtc-cmos.c:949:11: note: in expansion of macro 'if'
       } else if (rtc_status & ACPI_EVENT_FLAG_SET) {
              ^~
   In file included from include/acpi/acpi.h:64:0,
                    from include/linux/acpi.h:33,
                    from drivers/rtc/rtc-cmos.c:987:
   include/acpi/acpixf.h: At top level:
   include/acpi/acpixf.h:705:5: error: conflicting types for 'acpi_get_event_status'
        acpi_get_event_status(u32 event,
        ^
   include/acpi/acpixf.h:95:2: note: in definition of macro 'ACPI_EXTERNAL_RETURN_STATUS'
     prototype;
     ^~~~~~~~~
   include/acpi/acpixf.h:704:1: note: in expansion of macro 'ACPI_HW_DEPENDENT_RETURN_STATUS'
    ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/rtc/rtc-cmos.c:945:13: note: previous implicit declaration of 'acpi_get_event_status' was here
       status = acpi_get_event_status(ACPI_EVENT_RTC,
                ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/if +940 drivers/rtc/rtc-cmos.c

   924				CMOS_WRITE(tmp, RTC_CONTROL);
   925				hpet_set_rtc_irq_bit(tmp & RTC_IRQMASK);
   926	
   927				mask = CMOS_READ(RTC_INTR_FLAGS);
   928				mask &= (tmp & RTC_IRQMASK) | RTC_IRQF;
   929				if (!is_hpet_enabled() || !is_intr(mask))
   930					break;
   931	
   932				/* force one-shot behavior if HPET blocked
   933				 * the wake alarm's irq
   934				 */
   935				rtc_update_irq(cmos->rtc, 1, mask);
   936				tmp &= ~RTC_AIE;
   937				hpet_mask_rtc_irq_bit(RTC_AIE);
   938			} while (mask & RTC_AIE);
   939	
 > 940			if ((tmp & RTC_AIE) &&
   941			    !(acpi_gbl_FADT.flags & ACPI_FADT_FIXED_RTC)) {
   942				acpi_status status;
   943				acpi_event_status rtc_status;
   944	
   945				status = acpi_get_event_status(ACPI_EVENT_RTC,
   946							       &rtc_status);
   947				if (ACPI_FAILURE(status)) {
   948					dev_err(dev, "Could not get RTC status\n");

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

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