From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Dan Williams <dan.j.williams@intel.com>,
        Vinod Koul <vinod.koul@intel.com>, Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
        Lee Jones <lee.jones@linaro.org>,
        Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Sebastian Reichel <sre@kernel.org>,
        Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
        David Woodhouse <dwmw2@infradead.org>,
        Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@free-electrons.com>,
        Andy Gross <andy.gross@linaro.org>,
        David Brown <david.brown@linaro.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
        linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
        netdev@vger.kernel.org, linux-gpio@vger.kernel.org,
        linux-pm@vger.kernel.org, rtc-linux@googlegroups.com,
        linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
        devel@driverdev.osuosl.org, linux-usb@vger.kernel.org
Subject: Re: [RFC 05/15] phy: hi6220: Add missing MFD_SYSCON dependency on HAS_IOMEM
Date: Thu, 03 Mar 2016 11:54:17 +0100
Message-ID: <1777963.D97F7d0Oik@wuerfel>
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On Thursday 03 March 2016 17:03:31 Krzysztof Kozlowski wrote:
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -225,6 +225,7 @@ config PHY_MT65XX_USB3
>  config PHY_HI6220_USB
>         tristate "hi6220 USB PHY support"
>         depends on (ARCH_HISI && ARM64) || COMPILE_TEST
> +       depends on HAS_IOMEM    # For MFD_SYSCON
>         select GENERIC_PHY
>         select MFD_SYSCON
>         help
> -- 
> 2.5.0
> 

This is indeed required, and seems to be what caused the problem
you saw in the first place.

	Arnd