Re: [RFC PATCH 5/9] cxl/mem: Find device capabilities

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

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Hi Ben,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on pm/linux-next]
[also build test ERROR on linus/master linux/master v5.10-rc3 next-20201113]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Ben-Widawsky/CXL-2-0-Support/20201111-134547
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/03316f5eab47413b046c08f6b977867dfade36f9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ben-Widawsky/CXL-2-0-Support/20201111-134547
        git checkout 03316f5eab47413b046c08f6b977867dfade36f9
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

   In file included from drivers/cxl/mem.c:8:
   drivers/cxl/cxl.h: In function 'cxl_write_status_reg64':
>> drivers/cxl/cxl.h:58:3: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
      58 |   writeq(value, reg_addr + reg);                                 \
         |   ^~~~~~
   drivers/cxl/cxl.h:73:1: note: in expansion of macro 'cxl_reg'
      73 | cxl_reg(status)
         | ^~~~~~~
   drivers/cxl/cxl.h: In function 'cxl_read_status_reg64':
>> drivers/cxl/cxl.h:70:10: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      70 |   return readq(reg_addr + reg);                                  \
         |          ^~~~~
   drivers/cxl/cxl.h:73:1: note: in expansion of macro 'cxl_reg'
      73 | cxl_reg(status)
         | ^~~~~~~
   cc1: some warnings being treated as errors

vim +58 drivers/cxl/cxl.h

    46	
    47	#define cxl_reg(type)                                                          \
    48		static inline void cxl_write_##type##_reg32(struct cxl_mem *cxlm,      \
    49							    u32 reg, u32 value)        \
    50		{                                                                      \
    51			void __iomem *reg_addr = READ_ONCE(cxlm->type.regs);           \
    52			writel(value, reg_addr + reg);                                 \
    53		}                                                                      \
    54		static inline void cxl_write_##type##_reg64(struct cxl_mem *cxlm,      \
    55							    u32 reg, u64 value)        \
    56		{                                                                      \
    57			void __iomem *reg_addr = READ_ONCE(cxlm->type.regs);           \
  > 58			writeq(value, reg_addr + reg);                                 \
    59		}                                                                      \
    60		static inline u32 cxl_read_##type##_reg32(struct cxl_mem *cxlm,        \
    61							  u32 reg)                     \
    62		{                                                                      \
    63			void __iomem *reg_addr = READ_ONCE(cxlm->type.regs);           \
    64			return readl(reg_addr + reg);                                  \
    65		}                                                                      \
    66		static inline u64 cxl_read_##type##_reg64(struct cxl_mem *cxlm,        \
    67							  u32 reg)                     \
    68		{                                                                      \
    69			void __iomem *reg_addr = READ_ONCE(cxlm->type.regs);           \
  > 70			return readq(reg_addr + reg);                                  \
    71		}
    72	

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

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