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

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Date:   Tue, 06 Aug 2019 14:11:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     natechancellor@...il.com
Cc:     andrew@...n.ch, broonie@...nel.org, devel@...verdev.osuosl.org,
        f.fainelli@...il.com, gregkh@...uxfoundation.org,
        hkallweit1@...il.com, kernel-build-reports@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, linux-next@...r.kernel.org,
        lkp@...el.com, netdev@...r.kernel.org, rdunlap@...radead.org,
        willy@...radead.org
Subject: Re: [PATCH v2] net: mdio-octeon: Fix Kconfig warnings and build
 errors

From: Nathan Chancellor <natechancellor@...il.com>
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 <lkp@...el.com>
> Reported-by: Mark Brown <broonie@...nel.org>
> Reported-by: Randy Dunlap <rdunlap@...radead.org>
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>

Applied to net-next.

Please make it clear what tree your changes are targetting in the future,
thank you.