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Date: Thu, 03 Mar 2016 11:55:42 +0100
From: Arnd Bergmann <arnd@...db.de>
To: linux-arm-kernel@...ts.infradead.org
Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Dan Williams <dan.j.williams@...el.com>,
Vinod Koul <vinod.koul@...el.com>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <marc.zyngier@....com>,
Mauro Carvalho Chehab <mchehab@....samsung.com>,
Lee Jones <lee.jones@...aro.org>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Kishon Vijay Abraham I <kishon@...com>,
Linus Walleij <linus.walleij@...aro.org>,
Sebastian Reichel <sre@...nel.org>,
Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
David Woodhouse <dwmw2@...radead.org>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
Andy Gross <andy.gross@...aro.org>,
David Brown <david.brown@...aro.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
linux-media@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
netdev@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-pm@...r.kernel.org, rtc-linux@...glegroups.com,
linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
devel@...verdev.osuosl.org, linux-usb@...r.kernel.org
Subject: Re: [RFC 08/15] rtc: at91sam9: Add missing MFD_SYSCON dependency on HAS_IOMEM
On Thursday 03 March 2016 17:03:34 Krzysztof Kozlowski wrote:
> index 0da40e2e4280..5c530b6b125d 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -1302,6 +1302,7 @@ config RTC_DRV_AT91RM9200
> config RTC_DRV_AT91SAM9
> tristate "AT91SAM9 RTT as RTC"
> depends on ARCH_AT91 || COMPILE_TEST
> + depends on HAS_IOMEM # For MFD_SYSCON
> select MFD_SYSCON
> help
> Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
>
This is technically correct, but the entire RTC menu is hidden
inside of 'depends on !UML && !S390', so we won't ever get there
on any configuration that does not use HAS_IOMEM.
If we did, all other RTC drivers would also fail.
Arnd
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