linux-kernel - Re: [PATCH v1 02/10] clockevents/drivers: add MPS2 Timer driver

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Date:	Mon, 14 Dec 2015 07:56:29 -0600
From:	Rob Herring <robh+dt@...nel.org>
To:	Vladimir Murzin <vladimir.murzin@....com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Andreas Färber <afaerber@...e.de>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Mark Rutland <Mark.Rutland@....com>,
	Pawel Moll <Pawel.Moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, Jiri Slaby <jslaby@...e.cz>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-api@...r.kernel.org" <linux-api@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 02/10] clockevents/drivers: add MPS2 Timer driver

On Wed, Dec 2, 2015 at 3:33 AM, Vladimir Murzin <vladimir.murzin@....com> wrote:
> MPS2 platform has simple 32 bits general purpose countdown timers.
>
> The driver uses the first detected timer as a clocksource and the rest
> of the timers as a clockevent
>
> Signed-off-by: Vladimir Murzin <vladimir.murzin@....com>
> ---
>  drivers/clocksource/Kconfig      |    5 +
>  drivers/clocksource/Makefile     |    1 +
>  drivers/clocksource/mps2-timer.c |  277 ++++++++++++++++++++++++++++++++++++++
>  3 files changed, 283 insertions(+)
>  create mode 100644 drivers/clocksource/mps2-timer.c
>
> diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> index 2eb5f0e..8bca09c 100644
> --- a/drivers/clocksource/Kconfig
> +++ b/drivers/clocksource/Kconfig
> @@ -137,6 +137,11 @@ config CLKSRC_STM32
>         depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
>         select CLKSRC_MMIO
>
> +config CLKSRC_MPS2
> +       bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
> +       depends on OF && ARM

Does this really depend on both of these for COMPILE_TEST?

You need to select CLKSRC_OF rather than CLKSRC_MMIO as well.

Rob
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