linux-kernel - Re: [PATCH] devfreq: Fix build break of devfreq-event class

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Date:	Fri, 30 Jan 2015 18:09:02 +0900
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	rafael.j.wysocki@...el.com,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: Re: [PATCH] devfreq: Fix build break of devfreq-event class

On Fri, Jan 30, 2015 at 1:54 PM, Chanwoo Choi <cw00.choi@...sung.com> wrote:
> This patch fixes the build break of the exynos-ppmu driver because Makefile
> in drivers/devfreq don't include the entry of devfreq-event.c driver.
>
> The original patch[1] includes the entry to build devfreq-event.c without
> the build break. This build break is generated in the process of merging the
> patch.
> [1] https://lkml.org/lkml/2015/1/25/579
> - [PATCH v10 1/7] devfreq: event: Add new devfreq_event class to provide basic
>                   data for devfreq governor

Sorry, that one is already included in the for-rafael tree with
tags/pull_req_20150129. :)


>
> CC      init/version.o
> LD      init/built-in.o
> drivers/built-in.o: In function `exynos_ppmu_probe':
> binder.c:(.text+0x4447ec): undefined reference to `devm_devfreq_event_add_edev'
> make: *** [vmlinux] Error 1
>
> Cc: Rafael J. Wysocki <rjw@...ysocki.net>
> Cc: MyungJoo Ham <myungjoo.ham@...sung.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> ---
>  drivers/devfreq/Makefile | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/devfreq/Makefile b/drivers/devfreq/Makefile
> index 9256c35..5134f9e 100644
> --- a/drivers/devfreq/Makefile
> +++ b/drivers/devfreq/Makefile
> @@ -1,4 +1,5 @@
>  obj-$(CONFIG_PM_DEVFREQ)       += devfreq.o
> +obj-$(CONFIG_PM_DEVFREQ_EVENT) += devfreq-event.o
>  obj-$(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND)      += governor_simpleondemand.o
>  obj-$(CONFIG_DEVFREQ_GOV_PERFORMANCE)  += governor_performance.o
>  obj-$(CONFIG_DEVFREQ_GOV_POWERSAVE)    += governor_powersave.o
> --
> 1.8.5.5
>
> --
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-- 
MyungJoo Ham, Ph.D.
Frontier CS Lab, S/W Center, Samsung Electronics
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