Re: [rtc-linux] Re: [RFC 04/15] irqchip: st: Add missing MFD_SYSCON dependency on HAS_IOMEM

[Arnd Bergmann <arnd@xxxxxxxx>]

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
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