Hi Srinivas, [auto build test ERROR on pm/linux-next] [also build test ERROR on v4.8-rc3 next-20160822] [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/Srinivas-Pandruvada/Support-Intel-Turbo-Boost-Max-Technology-3-0/20160819-101955 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: i386-randconfig-h0-08210914 (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/acpi/cppc_acpi.c: In function 'cpc_read': >> drivers/acpi/cppc_acpi.c:731:11: error: implicit declaration of function >> 'readq_relaxed' [-Werror=implicit-function-declaration] *val = readq_relaxed(vaddr); ^~~~~~~~~~~~~ drivers/acpi/cppc_acpi.c: In function 'cpc_write': >> drivers/acpi/cppc_acpi.c:764:4: error: implicit declaration of function >> 'writeq_relaxed' [-Werror=implicit-function-declaration] writeq_relaxed(val, vaddr); ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/readq_relaxed +731 drivers/acpi/cppc_acpi.c beee23ae Prakash, Prashanth 2016-02-17 725 *val = readw_relaxed(vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 726 break; 77e3d86f Prakash, Prashanth 2016-02-17 727 case 32: beee23ae Prakash, Prashanth 2016-02-17 728 *val = readl_relaxed(vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 729 break; 77e3d86f Prakash, Prashanth 2016-02-17 730 case 64: beee23ae Prakash, Prashanth 2016-02-17 @731 *val = readq_relaxed(vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 732 break; 77e3d86f Prakash, Prashanth 2016-02-17 733 default: 77e3d86f Prakash, Prashanth 2016-02-17 734 pr_debug("Error: Cannot read %u bit width from PCC\n", 77e3d86f Prakash, Prashanth 2016-02-17 735 reg->bit_width); 77e3d86f Prakash, Prashanth 2016-02-17 736 ret_val = -EFAULT; 77e3d86f Prakash, Prashanth 2016-02-17 737 } c39ec8bd Srinivas Pandruvada 2016-08-18 738 } else if (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) { c39ec8bd Srinivas Pandruvada 2016-08-18 739 ret_val = cpc_read_ffh(cpunum, reg, val); 77e3d86f Prakash, Prashanth 2016-02-17 740 } else 77e3d86f Prakash, Prashanth 2016-02-17 741 ret_val = acpi_os_read_memory((acpi_physical_address)reg->address, 337aadff Ashwin Chaugule 2015-10-02 742 val, reg->bit_width); 77e3d86f Prakash, Prashanth 2016-02-17 743 return ret_val; 337aadff Ashwin Chaugule 2015-10-02 744 } 337aadff Ashwin Chaugule 2015-10-02 745 c39ec8bd Srinivas Pandruvada 2016-08-18 746 static int cpc_write(int cpunum, struct cpc_reg *reg, u64 val) 337aadff Ashwin Chaugule 2015-10-02 747 { 77e3d86f Prakash, Prashanth 2016-02-17 748 int ret_val = 0; 77e3d86f Prakash, Prashanth 2016-02-17 749 77e3d86f Prakash, Prashanth 2016-02-17 750 if (reg->space_id == ACPI_ADR_SPACE_PLATFORM_COMM) { 77e3d86f Prakash, Prashanth 2016-02-17 751 void __iomem *vaddr = GET_PCC_VADDR(reg->address); 337aadff Ashwin Chaugule 2015-10-02 752 77e3d86f Prakash, Prashanth 2016-02-17 753 switch (reg->bit_width) { 77e3d86f Prakash, Prashanth 2016-02-17 754 case 8: beee23ae Prakash, Prashanth 2016-02-17 755 writeb_relaxed(val, vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 756 break; 77e3d86f Prakash, Prashanth 2016-02-17 757 case 16: beee23ae Prakash, Prashanth 2016-02-17 758 writew_relaxed(val, vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 759 break; 77e3d86f Prakash, Prashanth 2016-02-17 760 case 32: beee23ae Prakash, Prashanth 2016-02-17 761 writel_relaxed(val, vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 762 break; 77e3d86f Prakash, Prashanth 2016-02-17 763 case 64: beee23ae Prakash, Prashanth 2016-02-17 @764 writeq_relaxed(val, vaddr); 77e3d86f Prakash, Prashanth 2016-02-17 765 break; 77e3d86f Prakash, Prashanth 2016-02-17 766 default: 77e3d86f Prakash, Prashanth 2016-02-17 767 pr_debug("Error: Cannot write %u bit width to PCC\n", :::::: The code at line 731 was first introduced by commit :::::: beee23aebc6650609ef1547f6d813fa5065f74aa ACPI / CPPC: replace writeX/readX to PCC with relaxed version :::::: TO: Prakash, Prashanth <pprak...@codeaurora.org> :::::: CC: Rafael J. Wysocki <rafael.j.wyso...@intel.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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