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Message-ID: <20190325065515epcms1p4743158f941064730272c8f976d844237@epcms1p4>
Date: Mon, 25 Mar 2019 15:55:15 +0900
From: MyungJoo Ham <myungjoo.ham@...sung.com>
To: Kyungmin Park <kyungmin.park@...sung.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
Rob Herring <robh+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Enric Balletbo i Serra <enric.balletbo@...labora.com>,
Lin Huang <hl@...k-chips.com>,
Brian Norris <briannorris@...omium.org>,
Douglas Anderson <dianders@...omium.org>,
Klaus Goger <klaus.goger@...obroma-systems.com>,
Derek Basehore <dbasehore@...omium.org>,
Randy Li <ayaka@...lik.info>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-rockchip@...ts.infradead.org"
<linux-rockchip@...ts.infradead.org>
CC: Mark Rutland <mark.rutland@....com>,
Gaƫl PORTAY <gael.portay@...labora.com>
Subject: RE: [PATCH v3 3/5] devfreq: rk3399_dmc: Pass ODT and auto power
down parameters to TF-A.
>From: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>
>Trusted Firmware-A (TF-A) for rk3399 implements a SiP call to get the
>on-die termination (ODT) and auto power down parameters from kernel,
>this patch adds the functionality to do this. Also, if DDR clock
>frequency is lower than the on-die termination (ODT) disable frequency
>this driver should disable the DDR ODT.
>
>Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>
>Signed-off-by: Gael PORTAY <gael.portay@...labora.com>
Acked-by: MyungJoo Ham <myungjoo.ham@...sung.com>
Cheers!
MyungJoo
>---
>
>Changes in v3:
>- [PATCH v2 3/5] Add Signed-off-by: Gael PORTAY <gael.portay@...labora.com>.
> Remove comments.
> Move pmu dt parsing after dt-parsing of timings to fix
> data->odt_dis_freq value.
>
>Changes in v2: None
>
>Changes in v1:
>- [RFC 3/10] Add an explanation for platform SIP calls.
>- [RFC 3/10] Change if statement for a switch.
>- [RFC 3/10] Rename ddr_flag to odt_enable to be more clear.
>
> drivers/devfreq/rk3399_dmc.c | 71 ++++++++++++++++++++++++++++-
> include/soc/rockchip/rockchip_sip.h | 1 +
> 2 files changed, 71 insertions(+), 1 deletion(-)
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