[conor:can-clk-changes 7/7] include/vdso/bits.h:7:19: warning: large integer implicitly truncated to unsigned type

[conor:can-clk-changes 7/7] include/vdso/bits.h:7:19: warning: large integer implicitly truncated to unsigned type

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git can-clk-changes
head:   46c6b04fed8775eefb9f33d13ac89604bbab8eee
commit: 46c6b04fed8775eefb9f33d13ac89604bbab8eee [7/7] speculatively convert to a divider clock
config: i386-buildonly-randconfig-001-20231016 (https://download.01.org/0day-ci/archive/20231016/202310161024.l9TPnXEB-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231016/202310161024.l9TPnXEB-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/202310161024.l9TPnXEB-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> include/vdso/bits.h:7:19: warning: large integer implicitly truncated to unsigned type [-Woverflow]
    #define BIT(nr)   (UL(1) << (nr))
                      ^
   drivers/clk/microchip/clk-mpfs.c:187:18: note: in definition of macro 'CLK_PLL_OUT'
     .output.flags = _flags,       \
                     ^~~~~~
   include/linux/clk-provider.h:30:26: note: in expansion of macro 'BIT'
    #define CLK_IS_CRITICAL  BIT(11) /* do not gate, ever */
                             ^~~
   drivers/clk/microchip/clk-mpfs.c:197:64: note: in expansion of macro 'CLK_IS_CRITICAL'
     CLK_PLL_OUT(CLK_MSSPLL, "clk_msspll2", "clk_msspll_internal", CLK_IS_CRITICAL,
                                                                   ^~~~~~~~~~~~~~~
>> include/vdso/bits.h:7:19: warning: large integer implicitly truncated to unsigned type [-Woverflow]
    #define BIT(nr)   (UL(1) << (nr))
                      ^
   drivers/clk/microchip/clk-mpfs.c:187:18: note: in definition of macro 'CLK_PLL_OUT'
     .output.flags = _flags,       \
                     ^~~~~~
   include/linux/clk-provider.h:30:26: note: in expansion of macro 'BIT'
    #define CLK_IS_CRITICAL  BIT(11) /* do not gate, ever */
                             ^~~
   drivers/clk/microchip/clk-mpfs.c:199:64: note: in expansion of macro 'CLK_IS_CRITICAL'
     CLK_PLL_OUT(CLK_MSSPLL, "clk_msspll3", "clk_msspll_internal", CLK_IS_CRITICAL,
                                                                   ^~~~~~~~~~~~~~~


vim +7 include/vdso/bits.h

3945ff37d2f48d Vincenzo Frascino 2020-03-20  6  
3945ff37d2f48d Vincenzo Frascino 2020-03-20 @7  #define BIT(nr)			(UL(1) << (nr))
cbdb1f163af2bb Andy Shevchenko   2022-11-28  8  #define BIT_ULL(nr)		(ULL(1) << (nr))
3945ff37d2f48d Vincenzo Frascino 2020-03-20  9  

:::::: The code at line 7 was first introduced by commit
:::::: 3945ff37d2f48d39fd1751d282c80176654049e4 linux/bits.h: Extract common header for vDSO

:::::: TO: Vincenzo Frascino <vincenzo.frascino@arm.com>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>

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