linux-kernel - Re: [PATCH] clocksource/drivers/tango-xtal: Replace code by clocksource_mmio

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Message-ID: <5645F142.4080403@linaro.org>
Date:	Fri, 13 Nov 2015 15:18:42 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Marc Gonzalez <marc_gonzalez@...madesigns.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] clocksource/drivers/tango-xtal: Replace code by
 clocksource_mmio_init

On 11/13/2015 02:33 PM, Marc Gonzalez wrote:
> On 13/11/2015 11:58, Daniel Lezcano wrote:
>
>> The current code to initialize, register and read the clocksource is
>> already factored out in mmio.c via the clocksource_mmio_init function.
>>
>> Factor out the code with the clocksource_mmio_init function.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
>> ---
>>   drivers/clocksource/tango_xtal.c | 18 +++---------------
>>   1 file changed, 3 insertions(+), 15 deletions(-)
>
> Hello Daniel,
>
> I think you also need:
>
> diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> index 63c878d4d9e3..92bf3fc3e646 100644
> --- a/drivers/clocksource/Kconfig
> +++ b/drivers/clocksource/Kconfig
> @@ -278,6 +278,7 @@ config CLKSRC_MIPS_GIC
>   config CLKSRC_TANGO_XTAL
>          bool
>          select CLKSRC_OF
> +       select CLKSRC_MMIO
>
>   config CLKSRC_PXA
>          def_bool y if ARCH_PXA || ARCH_SA1100
>
>
> Otherwise, we'll get "undefined reference" link errors.

Ok, thanks for spotting that. It did not happen because the dependency 
was set by another driver (using COMPILE_TEST).

Will fix it.

   -- Daniel


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