Hi Azhar, [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on v4.12-rc3] [cannot apply to next-20170601] [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/Azhar-Shaikh/tpm-Enable-CLKRUN-protocol-for-Braswell-systems/20170602-053032 config: frv-allyesconfig (attached as .config) compiler: frv-linux-gcc (GCC) 6.2.0 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=frv All errors (new ones prefixed by >>): drivers/char/tpm/tpm_tis.c: In function 'disable_lpc_clk_run': >> drivers/char/tpm/tpm_tis.c:101:3: error: implicit declaration of function 'kmap_atomic_pfn' [-Werror=implicit-function-declaration] kmap_atomic_pfn(INTEL_LEGACY_BLK_BASE_ADDR >> PAGE_SHIFT); ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kmap_atomic_pfn +101 drivers/char/tpm/tpm_tis.c 95 static void disable_lpc_clk_run(void) 96 { 97 u32 clkrun_val; 98 void __iomem *ilb_base_addr = NULL; 99 100 ilb_base_addr = (void __iomem *) > 101 kmap_atomic_pfn(INTEL_LEGACY_BLK_BASE_ADDR >> PAGE_SHIFT); 102 103 clkrun_val = ioread32(ilb_base_addr + LPC_CNTRL_REG_OFFSET); 104 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation