Re: next: mips: cavium_octeon_defconfig: gcc-8 - dwc3-octeon.c:502:8: include/linux/compiler_types.h:397:38: error: call to '__compiletime_assert_335' declared with attribute error: FIELD_PREP: value too large for the field _compiletime_assert

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Hi Naresh,

On Tue, 2023-08-08 at 12:41 +0530, Naresh Kamboju wrote:
> [My two cents]
> 
> While building Linux next-20230808 mips cavium_octeon_defconfig with
> gcc-8
> failed with below warnings and errors.
> 
> Build log:
> ----------
> 
> In function 'dwc3_octeon_setup.isra.4',
>     inlined from 'dwc3_octeon_probe' at drivers/usb/dwc3/dwc3-
> octeon.c:502:8:
> include/linux/compiler_types.h:397:38: error: call to
> '__compiletime_assert_335' declared with attribute error: FIELD_PREP:
> value too large for the field
>   _compiletime_assert(condition, msg, __compiletime_assert_,
> __COUNTER__)
>                                       ^
> include/linux/compiler_types.h:378:4: note: in definition of macro
> '__compiletime_assert'
>     prefix ## suffix();    \
>     ^~~~~~

Not sure what is really going on there. Code compiles even using 32bit
toochains without warnings and such an assignments are used in other
kernel drivers. See for example drivers/cxl/core/hdm.c:534 which is
using the same types. Also 
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c in
rvu_exact_prepare_table_entry...

Anyway, let me setup gcc-8 toolchain :)

>   Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> 
> Links:
> -----
>  -
> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230808/testrun/18882876/suite/build/test/gcc-8-cavium_octeon_defconfig/log
>  -
> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230808/testrun/18882876/suite/build/test/gcc-8-cavium_octeon_defconfig/history/
> 
> Steps to reproduce:
> ------------
>   tuxmake --runtime podman --target-arch mips --toolchain gcc-8
> --kconfig cavium_octeon_defconfig
>    -
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2TgoAZwerJ28UWHyqfQUiaYYhrl/tuxmake_reproducer.sh
> 
> --
> Linaro LKFT
> https://lkft.linaro.org





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