linux-kernel - Re: [PATCH 4/5] PM / devfreq: rockchip: add devfreq driver for rk3399 dmc

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Message-id: <57C8D9E1.4070700@samsung.com>
Date:   Fri, 02 Sep 2016 10:46:09 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Heiko Stübner <heiko@...ech.de>,
        Lin Huang <hl@...k-chips.com>
Cc:     myungjoo.ham@...sung.com, mark.yao@...k-chips.com,
        airlied@...ux.ie, mturquette@...libre.com, dbasehore@...omium.org,
        sboyd@...eaurora.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, dianders@...omium.org,
        linux-rockchip@...ts.infradead.org, kyungmin.park@...sung.com,
        linux-arm-kernel@...ts.infradead.org, tixy@...aro.org,
        typ@...k-chips.com, sudeep.holla@....com, mark.rutland@....com,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 4/5] PM / devfreq: rockchip: add devfreq driver for rk3399
 dmc

Hi Heiko,

On 2016년 09월 02일 08:17, Heiko Stübner wrote:
> Am Freitag, 2. September 2016, 06:31:24 schrieb Lin Huang:
>> base on dfi result, we do ddr frequency scaling, register
>> dmc driver to devfreq framework, and use simple-ondemand
>> policy.
>>
>> Signed-off-by: Lin Huang <hl@...k-chips.com>
>> Signed-off-by: MyngJoo Ham <myngjoo.ham@...sung.com>
>> Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>
>> ---
> 
> [...]
> 
>> diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
>> new file mode 100644
>> index 0000000..54d65f2
>> --- /dev/null
>> +++ b/drivers/devfreq/rk3399_dmc.c
>> @@ -0,0 +1,480 @@
>> +/*
>> + * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd.
>> + * Author: Lin Huang <hl@...k-chips.com>
>> + *
>> + * This program is free software; you can redistribute it and/or modify it
>> + * under the terms and conditions of the GNU General Public License,
>> + * version 2, as published by the Free Software Foundation.
>> + *
>> + * This program is distributed in the hope it will be useful, but WITHOUT
>> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
>> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
>> for + * more details.
>> + */
>> +
>> +#include <linux/arm-smccc.h>
>> +#include <linux/clk.h>
>> +#include <linux/delay.h>
>> +#include <linux/devfreq.h>
>> +#include <linux/devfreq-event.h>
>> +#include <linux/interrupt.h>
>> +#include <linux/module.h>
>> +#include <linux/of.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/pm_opp.h>
>> +#include <linux/regulator/consumer.h>
>> +#include <linux/rwsem.h>
>> +#include <linux/suspend.h>
>> +
>> +#include <soc/rockchip/rockchip_sip.h>
> 
> (Repeated from previous version)
> For the shared sip-interface header I've prepared a signed, stable tag
> which can be pulled from
> 
> The following changes since commit 29b4817d4018df78086157ea3a55c1d9424a7cfc:
> 
>   Linux 4.8-rc1 (2016-08-07 18:18:00 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git tags/rockchip-ddr-sip
> 
> for you to fetch changes up to 97dd82682f1a6174698fbea149a04b4cabc58c4f:
> 
>   soc: rockchip: add header for ddr rate SIP interface (2016-08-31 18:53:24 +0200)
> 
> ----------------------------------------------------------------
> Header file defining the SIP-interface to the ATF for DDR frequency changes
> 
> ----------------------------------------------------------------
> Lin Huang (1):
>       soc: rockchip: add header for ddr rate SIP interface
> 
>  include/soc/rockchip/rockchip_sip.h | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 include/soc/rockchip/rockchip_sip.h
> 
> 
> 

Thanks for creating the immutable branch.

-- 
Best Regards,
Chanwoo Choi