From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>, rtc-linux@googlegroups.com,
        Linus Walleij <linus.walleij@linaro.org>,
        Sebastian Reichel <sre@kernel.org>,
        David Brown <david.brown@linaro.org>,
        Alexandre Belloni <alexandre.belloni@free-electrons.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Krzysztof Kozlowski <k.kozlowski.k@gmail.com>,
        Lee Jones <lee.jones@linaro.org>,
        Dan Williams <dan.j.williams@intel.com>, devel@driverdev.osuosl.org,
        linux-samsung-soc@vger.kernel.org, Vinod Koul <vinod.koul@intel.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Andy Gross <andy.gross@linaro.org>, linux-media@vger.kernel.org,
        Jason Cooper <jason@lakedaemon.net>,
        Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
        Marc Zyngier <marc.zyngier@arm.com>, linux-arm-msm@vger.kernel.org,
        linux-gpio@vger.kernel.org,
        Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Thomas Gleixner <tglx@linutronix.de>, linux-soc@vger.kernel.org,
        Alessandro Zummo <a.zummo@towertech.it>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-pm@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>, netdev@vger.kernel.org,
        dmaengine@vger.kernel.org, David Woodhouse <dwmw2@infradead.org>
Subject: Re: [rtc-linux] Re: [RFC 04/15] irqchip: st: Add missing MFD_SYSCON dependency on HAS_IOMEM
Date: Thu, 03 Mar 2016 13:28:29 +0100
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On Thursday 03 March 2016 21:00:57 Krzysztof Kozlowski wrote:
> >
> > Not user visible.
> 
> Hmmm... you are right (here and in other patches) but why am I getting
> all these errors:
> warning: (ST_IRQCHIP && HIP04_ETH && STMMAC_PLATFORM && DWMAC_IPQ806X
> && DWMAC_LPC18XX && DWMAC_ROCKCHIP && DWMAC_SOCFPGA && DWMAC_STI &&
> TI_CPSW && PINCTRL_ROCKCHIP && PINCTRL_DOVE && POWER_RESET_KEYSTONE &&
> S3C2410_WATCHDOG && VIDEO_OMAP3 && VIDEO_S5P_FIMC && USB_XHCI_MTK &&
> RTC_DRV_AT91SAM9 && LPC18XX_DMAMUX && VIDEO_OMAP4 && HWSPINLOCK_QCOM
> && ATMEL_ST && QCOM_GSBI && PHY_HI6220_USB) selects MFD_SYSCON which
> has unmet direct dependencies (HAS_IOMEM)
> ?
> (ARCH=um, allyesconfig)

The problem is that Kconfig will just print any option that
selects the one that has a missing dependency, but doesn't
show which of those are actually enabled.

> Adding depends here (and in other places) really helps... but it
> should not have any impact...

I think patch 5 by itself would have been sufficient.

	Arnd