Hi Stephen,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.18-rc8 next-20180808]
[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/Stephen-Boyd/firmware-coreboot-Fix-probe-and-simplify-code/20180810-015624
config: mips-allmodconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=mips 

All error/warnings (new ones prefixed by >>):

   In file included from arch/mips/include/asm/page.h:194:0,
                    from include/linux/mmzone.h:21,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/resource_ext.h:19,
                    from include/linux/acpi.h:26,
                    from drivers/firmware//google/coreboot_table.c:19:
   drivers/firmware//google/coreboot_table.c: In function 
'coreboot_table_probe':
>> arch/mips/include/asm/io.h:277:35: error: '_page_cachable_default' 
>> undeclared (first use in this function)
     __ioremap_mode((offset), (size), _page_cachable_default)
                                      ^
>> arch/mips/include/asm/io.h:278:23: note: in expansion of macro 
>> 'ioremap_cachable'
    #define ioremap_cache ioremap_cachable
                          ^~~~~~~~~~~~~~~~
>> drivers/firmware//google/coreboot_table.c:158:11: note: in expansion of 
>> macro 'ioremap_cache'
     header = ioremap_cache(phyaddr, sizeof(*header));
              ^~~~~~~~~~~~~
   arch/mips/include/asm/io.h:277:35: note: each undeclared identifier is 
reported only once for each function it appears in
     __ioremap_mode((offset), (size), _page_cachable_default)
                                      ^
>> arch/mips/include/asm/io.h:278:23: note: in expansion of macro 
>> 'ioremap_cachable'
    #define ioremap_cache ioremap_cachable
                          ^~~~~~~~~~~~~~~~
>> drivers/firmware//google/coreboot_table.c:158:11: note: in expansion of 
>> macro 'ioremap_cache'
     header = ioremap_cache(phyaddr, sizeof(*header));
              ^~~~~~~~~~~~~
--
   In file included from arch/mips/include/asm/page.h:194:0,
                    from include/linux/mmzone.h:21,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/resource_ext.h:19,
                    from include/linux/acpi.h:26,
                    from drivers/firmware/google/coreboot_table.c:19:
   drivers/firmware/google/coreboot_table.c: In function 'coreboot_table_probe':
>> arch/mips/include/asm/io.h:277:35: error: '_page_cachable_default' 
>> undeclared (first use in this function)
     __ioremap_mode((offset), (size), _page_cachable_default)
                                      ^
>> arch/mips/include/asm/io.h:278:23: note: in expansion of macro 
>> 'ioremap_cachable'
    #define ioremap_cache ioremap_cachable
                          ^~~~~~~~~~~~~~~~
   drivers/firmware/google/coreboot_table.c:158:11: note: in expansion of macro 
'ioremap_cache'
     header = ioremap_cache(phyaddr, sizeof(*header));
              ^~~~~~~~~~~~~
   arch/mips/include/asm/io.h:277:35: note: each undeclared identifier is 
reported only once for each function it appears in
     __ioremap_mode((offset), (size), _page_cachable_default)
                                      ^
>> arch/mips/include/asm/io.h:278:23: note: in expansion of macro 
>> 'ioremap_cachable'
    #define ioremap_cache ioremap_cachable
                          ^~~~~~~~~~~~~~~~
   drivers/firmware/google/coreboot_table.c:158:11: note: in expansion of macro 
'ioremap_cache'
     header = ioremap_cache(phyaddr, sizeof(*header));
              ^~~~~~~~~~~~~

vim +/_page_cachable_default +277 arch/mips/include/asm/io.h

^1da177e include/asm-mips/io.h      Linus Torvalds    2005-04-16  260  
^1da177e include/asm-mips/io.h      Linus Torvalds    2005-04-16  261  /*
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  262   * 
ioremap_cachable -    map bus memory into CPU space
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  263   * 
@offset:          bus address of the memory
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  264   * 
@size:            size of the resource to map
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  265   *
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  266   * 
ioremap_nocache performs a platform specific sequence of operations to
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  267   * make 
bus memory CPU accessible via the readb/readw/readl/writeb/
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  268   * 
writew/writel functions and the other mmio helpers. The returned
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  269   * 
address is not guaranteed to be usable directly as a virtual
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  270   * 
address.
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  271   *
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  272   * This 
version of ioremap ensures that the memory is marked cachable by
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  273   * the 
CPU.  Also enables full write-combining.   Useful for some
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  274   * 
memory-like regions on I/O busses.
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  275   */
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  276  #define 
ioremap_cachable(offset, size)                                   \
35133692 include/asm-mips/io.h      Chris Dearman     2007-09-19 @277   
__ioremap_mode((offset), (size), _page_cachable_default)
a68f3768 arch/mips/include/asm/io.h Maciej W. Rozycki 2016-01-09 @278  #define 
ioremap_cache ioremap_cachable
778e2ac5 include/asm-mips/io.h      Ralf Baechle      2006-02-28  279  

:::::: The code at line 277 was first introduced by commit
:::::: 351336929ccf222ae38ff0cb7a8dd5fd5c6236a0 [MIPS] Allow setting of the 
cache attribute at run time.

:::::: TO: Chris Dearman <[email protected]>
:::::: CC: Ralf Baechle <[email protected]>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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