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

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Date:   Thu, 15 Sep 2016 04:12:03 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Gabriele Mazzotta <gabriele.mzt@...il.com>
Cc:     kbuild-all@...org, alexandre.belloni@...e-electrons.com,
        a.zummo@...ertech.it, rtc-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, matthew.garrett@...ula.com,
        Gabriele Mazzotta <gabriele.mzt@...il.com>
Subject: Re: [PATCH v3 1/2] rtc-cmos: Clear ACPI-driven alarms upon resume

Hi Gabriele,

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR 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-defconfig (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 errors (new ones prefixed by >>):

   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)) {
            ^~~~~~~~~~~~~
   drivers/rtc/rtc-cmos.c:941:9: note: each undeclared identifier is reported only once for each function it appears in
>> 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)) {
                                  ^~~~~~~~~~~~~~~~~~~
>> 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,
                                      ^~~~~~~~~~~~~~
>> drivers/rtc/rtc-cmos.c:947:8: error: implicit declaration of function 'ACPI_FAILURE' [-Werror=implicit-function-declaration]
       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) {
                               ^~~~~~~~~~~~~~~~~~~
   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 +/acpi_gbl_FADT +941 drivers/rtc/rtc-cmos.c

   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");
 > 949				} else if (rtc_status & ACPI_EVENT_FLAG_SET) {
   950					tmp &= ~RTC_AIE;
   951					CMOS_WRITE(tmp, RTC_CONTROL);
   952					rtc_update_irq(cmos->rtc, 1, mask);

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