Re: [PATCH v7 7/8] PM / devfreq: rockchip: add devfreq driver for rk3399 dmc

From: "Heiko Stübner" <heiko@sntech.de>
To: Lin Huang <hl@rock-chips.com>
Cc: tixy@linaro.org, mark.rutland@arm.com, dbasehore@chromium.org,
	cw00.choi@samsung.com, mturquette@baylibre.com,
	typ@rock-chips.com, sboyd@codeaurora.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	dianders@chromium.org, linux-rockchip@lists.infradead.org,
	kyungmin.park@samsung.com, myungjoo.ham@samsung.com,
	sudeep.holla@arm.com, linux-pm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 7/8] PM / devfreq: rockchip: add devfreq driver for rk3399 dmc
Date: Thu, 01 Sep 2016 11:41:36 +0200	[thread overview]
Message-ID: <30074677.9Zzyj4RHs6@diego> (raw)
In-Reply-To: <1471836984-6316-8-git-send-email-hl@rock-chips.com>

Hi,

Am Montag, 22. August 2016, 11:36:23 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@rock-chips.com>
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
> ---

[...]

> diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
> new file mode 100644
> index 0000000..b73a73c
> --- /dev/null
> +++ b/drivers/devfreq/rk3399_dmc.c
> @@ -0,0 +1,499 @@
> +/*
> + * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd.
> + * Author: Lin Huang <hl@rock-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>

I've split out the needed sip interface-header from patch1 and provide
a stable signed tag you can pull into the devfreq tree.

Heiko

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

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