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| Started by | Linus Walleij <linus.walleij@linaro.org> |
|---|---|
| First post | 2016-04-30 13:50 +0200 |
| Last post | 2016-04-30 13:50 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH] mfd: vexpress: add !ARCH_USES_GETTIMEOFFSET dependency Linus Walleij <linus.walleij@linaro.org> - 2016-04-30 13:50 +0200
| From | Linus Walleij <linus.walleij@linaro.org> |
|---|---|
| Date | 2016-04-30 13:50 +0200 |
| Subject | Re: [PATCH] mfd: vexpress: add !ARCH_USES_GETTIMEOFFSET dependency |
| Message-ID | <rtBzk-76k-3@gated-at.bofh.it> |
On Wed, Apr 27, 2016 at 7:49 PM, Arnd Bergmann <arnd@arndb.de> wrote:
> The MFD_VEXPRESS_SYSREG driver selects CLKSRC_MMIO, which in turn
> conflicts with ARCH_USES_GETTIMEOFFSET, causing a harmless Kconfig
> warning when it is set:
>
> warning: (ARCH_MVEBU && ARCH_DIGICOLOR && ARCH_GEMINI && ARCH_KEYSTONE && ARCH_MOXART && ARCH_MXS && PLAT_SPEAR && ARCH_SUNXI && ARCH_TEGRA && ARCH_U300 && PLAT_ORION && ARCH_CLPS711X && ARCH_EP93XX && ARCH_NETX && ARCH_IXP4XX && ARCH_KS8695 && ARCH_W90X900 && ARCH_PXA && ARCH_SA1100 && ARCH_OMAP1 && ARCH_BCM_IPROC && ARCH_INTEGRATOR_AP && ARCH_OMAP2PLUS && MFD_VEXPRESS_SYSREG) selects CLKSRC_MMIO which has unmet direct dependencies (!ARCH_USES_GETTIMEOFFSET)
>
> This was apparently hidden by the fact that no ARM platform that
> still sets ARCH_USES_GETTIMEOFFSET has gpiolib support, and we
> already have a dependency on GPIOLIB that I added a while ago.
>
> However, after 296ad4acb8ef ("gpio: remove deps on
> ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"), any platform can enable
> CONFIG_GPIOLIB, and that lets us enable MFD_VEXPRESS_SYSREG
> as well.
>
> This adds an explicit dependency on !ARCH_USES_GETTIMEOFFSET
> to guarantee that we can enable the CLKSRC_MMIO driver without
> getting warnings.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
OMG that was complex, thanks for explaining.
I am officially impress by your Kconfig ninja skills.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Lee, please pick this up?
Yours,
Linus Walleij
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