linux-kernel - Re: [PATCH 2/2] mfd: remove dependency on HAS

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Message-ID: <CAJKOXPfj8xQJaiZe73Y4RtKzGp7F7Lv02f8G-A4rcMAy0JOcWg@mail.gmail.com>
Date:	Wed, 30 Mar 2016 13:23:36 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Rob Herring <robh@...nel.org>
Cc:	Lee Jones <lee.jones@...aro.org>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 2/2] mfd: remove dependency on HAS_IOMEM

On Wed, Mar 30, 2016 at 3:23 AM, Rob Herring <robh@...nel.org> wrote:
> Lots of drivers select MFD_SYSCON which depends on HAS_IOMEM and causes
> this kbuild warning if HAS_IOMEM is not enabled:
>
> warning: (ST_IRQCHIP && 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)
>
> Now that we have ioremap/iounmap variants for !HAS_IOMEM, remove this
> dependency from MFD to fix this warning.
>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Lee Jones <lee.jones@...aro.org>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  drivers/mfd/Kconfig | 2 --
>  1 file changed, 2 deletions(-)

Tested-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

Best regards,
Krzysztof