Re: [PATCH 1/1] crypto: ux500: hash: Add namespacing to hash_init()

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On Tue, 30 Jun 2020, Lee Jones wrote:
> On Tue, 30 Jun 2020, Herbert Xu wrote:
> > On Mon, Jun 29, 2020 at 01:30:03PM +0100, Lee Jones wrote:
> > > A recent change to the Regulator consumer API (which this driver
> > > utilises) add prototypes for the some suspend functions.  These
> > > functions require including header file include/linux/suspend.h.
> > > 
> > > The following tree of includes affecting this driver will be
> > > present:
> > > 
> > >    In file included from include/linux/elevator.h:6,
> > >                     from include/linux/blkdev.h:288,
> > >                     from include/linux/blk-cgroup.h:23,
> > >                     from include/linux/writeback.h:14,
> > >                     from include/linux/memcontrol.h:22,
> > >                     from include/linux/swap.h:9,
> > >                     from include/linux/suspend.h:5,
> > >                     from include/linux/regulator/consumer.h:35,
> > >                     from drivers/crypto/ux500/hash/hash_core.c:28:
> > > 
> > > include/linux/elevator.h pulls in include/linux/hashtable.h which
> > > contains its own version of hash_init().  This confuses the build
> > > system and results in the following error (amongst others):
> > > 
> > >  drivers/crypto/ux500/hash/hash_core.c:1362:19: error: passing argument 1 of '__hash_init' from incompatible pointer type [-Werror=incompatible-pointer-types]
> > >  1362 |  return hash_init(req);
> > > 
> > > Fix this by namespacing the local hash_init() such that the
> > > source of confusion is removed.
> > > 
> > > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> > > Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> > > Cc: linux-crypto@xxxxxxxxxxxxxxx
> > > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> > > ---
> > > 
> > > Ideally this should go into v5.8's -rcs else it runs the risk of
> > > breaking when Linus pulls everything in for v5.9-rc1.
> 
> [...]
> 
> > I have no objections to this patch.  However, I'd rather put
> > it on a topic branch which you could pull rather than pushing
> > it into 5.8 straight away.
> 
> An immutable branch sounds like a sensible solution.  Thanks.

Any movement on this Herbert?

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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