[broonie-misc:arm64-rng 4/4] arch/arm64/kernel/setup.c:347:2: error: implicit declaration of function 'arm64_add_early_rndr_entropy'; did you mean 'add_latent_entropy'?

[broonie-misc:arm64-rng 4/4] arch/arm64/kernel/setup.c:347:2: error: implicit declaration of function 'arm64_add_early_rndr_entropy'; did you mean 'add_latent_entropy'?

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git arm64-rng
head:   dbbdff65926d1df4f5bd781a5e54c8aa760ea674
commit: dbbdff65926d1df4f5bd781a5e54c8aa760ea674 [4/4] arm64: random: Add data to pool from setup_arch()
config: arm64-allnoconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout dbbdff65926d1df4f5bd781a5e54c8aa760ea674
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/arm64/kernel/setup.c: In function 'setup_arch':
>> arch/arm64/kernel/setup.c:347:2: error: implicit declaration of function 'arm64_add_early_rndr_entropy'; did you mean 'add_latent_entropy'? [-Werror=implicit-function-declaration]
     arm64_add_early_rndr_entropy();
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
     add_latent_entropy
   cc1: some warnings being treated as errors

vim +347 arch/arm64/kernel/setup.c

   278	
   279	void __init setup_arch(char **cmdline_p)
   280	{
   281		init_mm.start_code = (unsigned long) _text;
   282		init_mm.end_code   = (unsigned long) _etext;
   283		init_mm.end_data   = (unsigned long) _edata;
   284		init_mm.brk	   = (unsigned long) _end;
   285	
   286		*cmdline_p = boot_command_line;
   287	
   288		early_fixmap_init();
   289		early_ioremap_init();
   290	
   291		setup_machine_fdt(__fdt_pointer);
   292	
   293		/*
   294		 * Initialise the static keys early as they may be enabled by the
   295		 * cpufeature code and early parameters.
   296		 */
   297		jump_label_init();
   298		parse_early_param();
   299	
   300		/*
   301		 * Unmask asynchronous aborts and fiq after bringing up possible
   302		 * earlycon. (Report possible System Errors once we can report this
   303		 * occurred).
   304		 */
   305		local_daif_restore(DAIF_PROCCTX_NOIRQ);
   306	
   307		/*
   308		 * TTBR0 is only used for the identity mapping at this stage. Make it
   309		 * point to zero page to avoid speculatively fetching new entries.
   310		 */
   311		cpu_uninstall_idmap();
   312	
   313		xen_early_init();
   314		efi_init();
   315		arm64_memblock_init();
   316	
   317		paging_init();
   318	
   319		acpi_table_upgrade();
   320	
   321		/* Parse the ACPI tables for possible boot-time configuration */
   322		acpi_boot_table_init();
   323	
   324		if (acpi_disabled)
   325			unflatten_device_tree();
   326	
   327		bootmem_init();
   328	
   329		kasan_init();
   330	
   331		request_standard_resources();
   332	
   333		early_ioremap_reset();
   334	
   335		if (acpi_disabled)
   336			psci_dt_init();
   337		else
   338			psci_acpi_init();
   339	
   340		cpu_read_bootcpu_ops();
   341		smp_init_cpus();
   342		smp_build_mpidr_hash();
   343	
   344		/* Init percpu seeds for random tags after cpus are set up. */
   345		kasan_init_tags();
   346	
 > 347		arm64_add_early_rndr_entropy();
   348	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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