linux-kernel - Re: [PATCH v2 02/15] dt-bindings: devfreq: rk3399_dmc: Deprecate unused/redundant properties

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Message-ID: <CA+ASDXOnO1EgStrynPe1uSB4T8=qNUPj+wY2y3vGs0fnEHdE0Q@mail.gmail.com>
Date:   Thu, 27 Jan 2022 15:17:25 -0800
From:   Brian Norris <briannorris@...omium.org>
To:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Linux Kernel <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Lin Huang <hl@...k-chips.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Derek Basehore <dbasehore@...omium.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-pm <linux-pm@...r.kernel.org>,
        Heiko Stuebner <heiko@...ech.de>
Subject: Re: [PATCH v2 02/15] dt-bindings: devfreq: rk3399_dmc: Deprecate
 unused/redundant properties

On Thu, Jan 27, 2022 at 3:08 PM Brian Norris <briannorris@...omium.org> wrote:
>
> These DRAM configuration properties are all handled in ARM Trusted
> Firmware (and have been since the early days of this SoC), and there are
> no in-tree users of the DMC binding yet. It's better to just defer to
> firmware instead of maintaining this large list of properties.
>
> There's also some confusion about units: many of these are specified in
> MHz, but the downstream users and driver code are treating them as Hz, I
> believe. Rather than straighten all that out, I just drop them.
>
> Signed-off-by: Brian Norris <briannorris@...omium.org>
> ---
>
> (no changes since v1)

Apologies, I didn't include Rob's Reviewed-by tag on patch 2 and 3. If
this goes for version 3, I'll include them.

Brian