[xilinx-xlnx:xlnx_rebase_v5.15 441/907] drivers/crypto/xilinx/zynqmp-sha.c:120:9: error: implicit declaration of function 'caches_clean_inval_user_pou'

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

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15
head:   423a108a01e05e84b59a4c4885c16bf3cd8c90c7
commit: e2696a07cb200c0ca6be673ba2bc9f3e01384dc6 [441/907] crypto: zynqmp-sha: Adopted SHA3 support for ZynqMP Soc
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220210/202202101547.aXR0aUzu-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/Xilinx/linux-xlnx/commit/e2696a07cb200c0ca6be673ba2bc9f3e01384dc6
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15
        git checkout e2696a07cb200c0ca6be673ba2bc9f3e01384dc6
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash

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

Note: the xilinx-xlnx/xlnx_rebase_v5.15 HEAD 423a108a01e05e84b59a4c4885c16bf3cd8c90c7 builds fine.
      It only hurts bisectability.

All errors (new ones prefixed by >>):

   drivers/crypto/xilinx/zynqmp-sha.c: In function 'zynqmp_sha_update':
>> drivers/crypto/xilinx/zynqmp-sha.c:120:9: error: implicit declaration of function 'caches_clean_inval_user_pou' [-Werror=implicit-function-declaration]
     120 |         caches_clean_inval_user_pou((unsigned long)kbuf,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/crypto/xilinx/zynqmp-sha.c:23:
   At top level:
   include/linux/firmware/xlnx-zynqmp.h:1227:12: warning: 'zynqmp_pm_fpga_get_feature_list' defined but not used [-Wunused-function]
    1227 | static int zynqmp_pm_fpga_get_feature_list(u32 *value)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/firmware/xlnx-zynqmp.h:1222:12: warning: 'zynqmp_pm_fpga_get_version' defined but not used [-Wunused-function]
    1222 | static int zynqmp_pm_fpga_get_version(u32 *value)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/firmware/xlnx-zynqmp.h:1173:12: warning: 'zynqmp_pm_sec_mask_write_reg' defined but not used [-Wunused-function]
    1173 | static int zynqmp_pm_sec_mask_write_reg(const u32 node_id, const u32 offset,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/firmware/xlnx-zynqmp.h:1168:12: warning: 'zynqmp_pm_sec_read_reg' defined but not used [-Wunused-function]
    1168 | static int zynqmp_pm_sec_read_reg(u32 node_id, u32 offset, u32 *ret_value)
         |            ^~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/caches_clean_inval_user_pou +120 drivers/crypto/xilinx/zynqmp-sha.c

   102	
   103	static int zynqmp_sha_update(struct ahash_request *req)
   104	{
   105		struct zynqmp_sha_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
   106		struct zynqmp_sha_dev *dd = tctx->dd;
   107		char *kbuf;
   108		size_t dma_size = req->nbytes;
   109		dma_addr_t dma_addr;
   110		int ret;
   111	
   112		if (!req->nbytes)
   113			return 0;
   114	
   115		kbuf = dma_alloc_coherent(dd->dev, dma_size, &dma_addr, GFP_KERNEL);
   116		if (!kbuf)
   117			return -ENOMEM;
   118	
   119		scatterwalk_map_and_copy(kbuf, req->src, 0, req->nbytes, 0);
 > 120		caches_clean_inval_user_pou((unsigned long)kbuf,
   121					    (unsigned long)kbuf + dma_size);
   122		ret = zynqmp_pm_sha_hash(dma_addr, req->nbytes, ZYNQMP_SHA3_UPDATE);
   123		if (ret) {
   124			mutex_unlock(&zynqmp_sha.hw_engine_mutex);
   125			goto end;
   126		}
   127	
   128		dma_free_coherent(dd->dev, dma_size, kbuf, dma_addr);
   129	
   130	end:
   131		return ret;
   132	}
   133	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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