Subject: Re: [PATCH v2] net: mdio-octeon: Fix Kconfig warnings and build errors

From: Nathan Chancellor <[email-masked]>
Date: Tue, 6 Aug 2019 22:10:40 -0700

On Tue, Aug 06, 2019 at 02:11:33PM -0700, David Miller wrote:
> From: Nathan Chancellor <[email-masked]>
> Date: Fri,  2 Aug 2019 23:01:56 -0700
> 
> > After commit 171a9bae68c7 ("staging/octeon: Allow test build on
> > !MIPS"), the following combination of configs cause a few Kconfig
> > warnings and build errors (distilled from arm allyesconfig and Randy's
> > randconfig builds):
> > 
> >     CONFIG_NETDEVICES=y
> >     CONFIG_STAGING=y
> >     CONFIG_COMPILE_TEST=y
> > 
> > and CONFIG_OCTEON_ETHERNET as either a module or built-in.
> > 
> > WARNING: unmet direct dependencies detected for MDIO_OCTEON
> >   Depends on [n]: NETDEVICES [=y] && MDIO_DEVICE [=y] && MDIO_BUS [=y]
> > && 64BIT [=n] && HAS_IOMEM [=y] && OF_MDIO [=n]
> >   Selected by [y]:
> >   - OCTEON_ETHERNET [=y] && STAGING [=y] && (CAVIUM_OCTEON_SOC ||
> > COMPILE_TEST [=y]) && NETDEVICES [=y]
> > 
> > In file included from ../drivers/net/phy/mdio-octeon.c:14:
> > ../drivers/net/phy/mdio-cavium.h:111:36: error: implicit declaration of
> > function ‘writeq’; did you mean ‘writel’?
> > [-Werror=implicit-function-declaration]
> >   111 | #define oct_mdio_writeq(val, addr) writeq(val, (void *)addr)
> >       |                                    ^~~~~~
> > 
> > CONFIG_64BIT is not strictly necessary if the proper readq/writeq
> > definitions are included from io-64-nonatomic-lo-hi.h.
> > 
> > CONFIG_OF_MDIO is not needed when CONFIG_COMPILE_TEST is enabled because
> > of commit f9dc9ac51610 ("of/mdio: Add dummy functions in of_mdio.h.").
> > 
> > Fixes: 171a9bae68c7 ("staging/octeon: Allow test build on !MIPS")
> > Reported-by: kbuild test robot <[email-masked]>
> > Reported-by: Mark Brown <[email-masked]>
> > Reported-by: Randy Dunlap <[email-masked]>
> > Signed-off-by: Nathan Chancellor <[email-masked]>
> 
> Applied to net-next.
> 
> Please make it clear what tree your changes are targetting in the future,
> thank you.

Sorry for the confusion, I'll do my best to add a patch suffix in the
future.

Thank you for picking this up!
Nathan

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