Re: [PATCH v2 4/8] PCI/IDE: Add Address Association Register setup for downstream MMIO

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

Hi Dan,

kernel test robot noticed the following build errors:

[auto build test ERROR on a4438f06b1db15ce3d831ce82b8767665638aa2a]

url:    https://github.com/intel-lab-lkp/linux/commits/Dan-Williams/drivers-virt-Drop-VIRT_DRIVERS-build-dependency/20251113-102117
base:   a4438f06b1db15ce3d831ce82b8767665638aa2a
patch link:    https://lore.kernel.org/r/20251113021446.436830-5-dan.j.williams%40intel.com
patch subject: [PATCH v2 4/8] PCI/IDE: Add Address Association Register setup for downstream MMIO
config: i386-randconfig-012-20251114 (https://download.01.org/0day-ci/archive/20251114/202511140256.InMiHWYq-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511140256.InMiHWYq-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511140256.InMiHWYq-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/pci/ide.c: In function 'mem_assoc_to_regs.constprop':
>> include/linux/compiler_types.h:597:45: error: call to '__compiletime_assert_537' declared with attribute error: FIELD_GET: type of reg too small for mask
     597 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:578:25: note: in definition of macro '__compiletime_assert'
     578 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
     597 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:72:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      72 |                 BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) >     \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:155:17: note: in expansion of macro '__BF_FIELD_CHECK'
     155 |                 __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: ");       \
         |                 ^~~~~~~~~~~~~~~~
   drivers/pci/ide.c:425:34: note: in expansion of macro 'FIELD_GET'
     425 |         regs->addr[idx].assoc2 = FIELD_GET(SEL_ADDR_UPPER, region->end);
         |                                  ^~~~~~~~~


vim +/__compiletime_assert_537 +597 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  583  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  584  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  585  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  586  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  587  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  588   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  589   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  590   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  591   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  592   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  593   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  594   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  595   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  596  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @597  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  598  

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