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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On Tue, 8 Aug 2023 at 13:15, Ladislav Michl <ladis@xxxxxxxxx> wrote:
>
> 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 :)

For your reference,
These are steps to setup toolchain and build with single command,

# TuxMake is a command line tool and Python library that provides
# portable and repeatable Linux kernel builds across a variety of
# architectures, toolchains, kernel configurations, and make targets.
#
# TuxMake supports the concept of runtimes.
# See https://docs.tuxmake.org/runtimes/, for that to work it requires
# that you install podman or docker on your system.
#
# To install tuxmake to your home directory at ~/.local/bin:
# pip3 install -U --user tuxmake
#
# Or install a deb/rpm depending on the running distribution
# See https://tuxmake.org/install-deb/ or
# https://tuxmake.org/install-rpm/
#
# See https://docs.tuxmake.org/ for complete documentation.
# Original tuxmake command with fragments listed below.
# tuxmake --runtime podman --target-arch mips --toolchain gcc-8
--kconfig cavium_octeon_defconfig


tuxmake --runtime podman --target-arch mips --toolchain gcc-8
--kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2TgoAZwerJ28UWHyqfQUiaYYhrl/config


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


- Naresh



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