linux-kernel - RE: Re: [PATCH] PM / devfreq: rockchip: add PM_DEVFREQ

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Date:   Mon, 19 Sep 2016 07:46:37 +0000
From:   MyungJoo Ham <myungjoo.ham@...sung.com>
To:     Chanwoo Choi <cwchoi00@...il.com>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Kyungmin Park <kyungmin.park@...sung.com>,
        Lin Huang <hl@...k-chips.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Rafael J. Wysocki <rafael.j.wysocki@...el.com>,
        linux-pm@...r.kernel.org 
        <linux-pm@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: RE: Re: [PATCH] PM / devfreq: rockchip: add PM_DEVFREQ_EVENT dependency

2016-09-16 0:44 GMT+09:00 Arnd Bergmann <arnd@...db.de>:
> The newly added ARM_RK3399_DMC_DEVFREQ driver requires the
> DEVFREQ_EVENT_ROCKCHIP_DFI driver and tries to turn that on through
> a 'select' statement, and that in turn has a dependency on
> PM_DEVFREQ_EVENT, which may be disabled here:
>
> warning: (ARM_RK3399_DMC_DEVFREQ) selects DEVFREQ_EVENT_ROCKCHIP_DFI which has unmet direct dependencies (PM_DEVFREQ && PM_DEVFREQ_EVENT && ARCH_ROCKCHIP)
>
> We probably want a 'depends on' here, but other drivers use 'select'
> too, so for consistency I'm doing the same.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: 5a893e31a636 ("PM / devfreq: rockchip: add devfreq driver for rk3399 dmc")


Thank you.


Signed-off-by: MyungJoo Ham <myungjoo.ham@...sung.com>


Being tested at: https://git.kernel.org/cgit/linux/kernel/git/mzx/devfreq.git/log/?h=for-4.9-rc


@ The branch above requires additional patches to be tested
(other rockchip support drivers to be merged for 4.9 and COMPILE_TEST retraction for TEGRA)