On 27-05-20, 18:56, Dilip Kota wrote:
> FIELD_PREP expects constant arguments. Istead of doing FIELD_PREP
> operation on the arguments of combo_phy_w32_off_mask(), pass the
> final FIELD_PREP value as an argument.
> 
> Error reported as:
> In file included from include/linux/build_bug.h:5,
> from include/linux/bitfield.h:10,
> from drivers/phy/intel/phy-intel-combo.c:8:
> drivers/phy/intel/phy-intel-combo.c: In function 'combo_phy_w32_off_mask':
> include/linux/bitfield.h:52:28: warning: comparison is always false due to 
> limited range of data type [-Wtype-limits]
> 
> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_37' 
> declared with attribute error: FIELD_PREP: mask is not constant
> 94 |   __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");          |   
> ^~~~~~~~~~~~~~~~
> drivers/phy/intel/phy-intel-combo.c:137:13: note: in expansion of macro 
> 'FIELD_PREP'
> 137 |  reg_val |= FIELD_PREP(mask, val);
> |             ^~~~~~~~~~
> 
> ../include/linux/compiler.h:392:38: error: call to__compiletime_assert_137
>  declared with attribute error:
> BUILD_BUG_ON failed: (((mask) + (1ULL << (__builtin_ffsll(mask) - 1))) & 
> (((mask) + (1ULL << (__builtin_ffsll(mask) - 1))) - 1)) != 0
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> 
> ../include/linux/bitfield.h:94:3: note: in expansion of macro __BF_FIELD_CHECK
>    __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
>    ^~~~~~~~~~~~~~~~
> ../drivers/phy/intel/phy-intel-combo.c:137:13: note: in expansion of macro 
> FIELD_PREP
>   reg_val |= FIELD_PREP(mask, val);

Applied, thanks

-- 
~Vinod

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