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

[Krzysztof Kozłowski <k.kozlowski.k@xxxxxxxxx>]

2016-03-03 21:28 GMT+09:00 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.

Indeed... but apparently putting direct HAS_IOMEM dependency on these
symbols silences the Kconfig warning.

>> 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.

Thanks for analysis. Since all patches are independent (and IMHO the
last one is not needed really) so I won't resend the patchset. Instead
let maintainer pick what is meaningful.

Best regards,
Krzysztof
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