Re: [Outreachy kernel] [PATCH v2 0/5] Remove typedef declarations in staging: octeon

[Wambui Karuga <wambui.karugax@gmail.com>]

On Wed, Oct 23, 2019 at 08:43:04PM +0300, Aaro Koskinen wrote:
> Hi,
> 
> On Sat, Oct 12, 2019 at 08:35:19PM +0200, Julia Lawall wrote:
> > On Sat, 12 Oct 2019, Wambui Karuga wrote:
> > > This patchset removes the addition of new typedefs data types in octeon,
> > > along with replacing the previous uses with the new declaration format.
> > >
> > > v2 of the series removes the obsolete "_t" notation in the named types.
> > >
> > > Wambui Karuga (5):
> > >   staging: octeon: remove typedef declaration for cvmx_wqe
> > >   staging: octeon: remove typedef declaration for cvmx_helper_link_info
> > >   staging: octeon: remove typedef declaration for cvmx_fau_reg_32
> > >   staging: octeon: remove typedef declartion for cvmx_pko_command_word0
> > >   staging: octeon: remove typedef declaration for cvmx_fau_op_size
> > >
> > >  drivers/staging/octeon/ethernet-mdio.c   |  6 +--
> > >  drivers/staging/octeon/ethernet-rgmii.c  |  4 +-
> > >  drivers/staging/octeon/ethernet-rx.c     |  6 +--
> > >  drivers/staging/octeon/ethernet-tx.c     |  4 +-
> > >  drivers/staging/octeon/ethernet.c        |  6 +--
> > >  drivers/staging/octeon/octeon-ethernet.h |  2 +-
> > >  drivers/staging/octeon/octeon-stubs.h    | 56 ++++++++++++------------
> > >  7 files changed, 43 insertions(+), 41 deletions(-)
> > 
> > For the series:
> > 
> > Acked-by: Julia Lawall <julia.lawall@lip6.fr>
> 
> This series breaks the build on MIPS/OCTEON (the only actual HW using this
> driver):
> 
> $ make ARCH=mips CROSS_COMPILE=mips64-linux-gnu- cavium_octeon_defconfig
> $ make ARCH=mips CROSS_COMPILE=mips64-linux-gnu-
> [...]
>   CC      drivers/staging/octeon/ethernet.o
> In file included from drivers/staging/octeon/ethernet.c:22:
> drivers/staging/octeon/octeon-ethernet.h:94:12: warning: 'union cvmx_helper_link_info' declared inside parameter list will not be visible outside of this definition or declaration
>       union cvmx_helper_link_info li);  
>             ^~~~~~~~~~~~~~~~~~~~~
> drivers/staging/octeon/ethernet.c: In function 'cvm_oct_free_work':
> drivers/staging/octeon/ethernet.c:177:21: error: dereferencing pointer to incomplete type 'struct cvmx_wqe'
>   int segments = work->word2.s.bufs;
>                      ^~
> drivers/staging/octeon/ethernet.c: In function 'cvm_oct_common_open':
> drivers/staging/octeon/ethernet.c:463:30: error: storage size of 'link_info' isn't known
>   union cvmx_helper_link_info link_info;
>                               ^~~~~~~~~
> 
> etc.
> 
> Probably all these patches need to be reverted.
> 
> A.

Aaro, thanks for the heads up - I can try cross-compiling to see if I
can fix the errors.
wambui karuga.