linux-kernel - [cxl:preview 20/53] drivers/cxl/core/regs.c:256:18: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW

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Date:   Sat, 22 Jan 2022 23:05:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ben Widawsky <ben.widawsky@...el.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Ben Widawsky <ben.widawsky@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-kernel@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [cxl:preview 20/53] drivers/cxl/core/regs.c:256:18: error: use of
 undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW_MASK'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git preview
head:   e675fabdbbcdb6e32dba688a20fb0bd42e0e2d5d
commit: 0deb1229ea40390e8402361338d680619a750270 [20/53] cxl/acpi: Map component registers for Root Ports
config: mips-randconfig-c004-20220120 (https://download.01.org/0day-ci/archive/20220122/202201222305.il9hV9Zh-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 7b3d30728816403d1fd73cc5082e9fb761262bce)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/commit/?id=0deb1229ea40390e8402361338d680619a750270
        git remote add cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git
        git fetch --no-tags cxl preview
        git checkout 0deb1229ea40390e8402361338d680619a750270
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/cxl/core/

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

All errors (new ones prefixed by >>):

>> drivers/cxl/core/regs.c:256:18: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW_MASK'
                               (reg_lo & CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW_MASK);
                                         ^
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
           map->barno = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BIR_MASK, reg_lo);
                                  ^
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:25: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BIR_MASK'
>> drivers/cxl/core/regs.c:257:13: error: assigning to 'u8' (aka 'unsigned char') from incompatible type 'void'
           map->barno = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BIR_MASK, reg_lo);
                      ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
           map->reg_type = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK, reg_lo);
                                     ^
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
>> drivers/cxl/core/regs.c:258:28: error: use of undeclared identifier 'CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK'
   fatal error: too many errors emitted, stopping now [-ferror-limit=]
   20 errors generated.


vim +/CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW_MASK +256 drivers/cxl/core/regs.c

   251	
   252	static void cxl_decode_regblock(u32 reg_lo, u32 reg_hi,
   253					struct cxl_register_map *map)
   254	{
   255		map->block_offset = ((u64)reg_hi << 32) |
 > 256				    (reg_lo & CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW_MASK);
 > 257		map->barno = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BIR_MASK, reg_lo);
 > 258		map->reg_type = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK, reg_lo);
   259	}
   260	

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