linux-kernel - Re: [PATCH v1 11/17] ARM: dts: tegra20: Add CPU Operating Performance Points

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20191016052323.w6hav4qqn3ybt55q@vireshk-i7>
Date:   Wed, 16 Oct 2019 10:53:23 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 11/17] ARM: dts: tegra20: Add CPU Operating
 Performance Points

On 16-10-19, 00:16, Dmitry Osipenko wrote:
> Operating Point are specified per HW version. The OPP voltages are kept
> in a separate DTSI file because some boards may not define CPU regulator
> in their device-tree if voltage scaling isn't necessary, like for example
> in a case of tegra20-trimslice which is outlet-powered device.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  .../boot/dts/tegra20-cpu-opp-microvolt.dtsi   | 201 ++++++++++++
>  arch/arm/boot/dts/tegra20-cpu-opp.dtsi        | 302 ++++++++++++++++++
>  2 files changed, 503 insertions(+)
>  create mode 100644 arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi
>  create mode 100644 arch/arm/boot/dts/tegra20-cpu-opp.dtsi
> 
> diff --git a/arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi b/arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi
> new file mode 100644
> index 000000000000..e85ffdbef876
> --- /dev/null
> +++ b/arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi
> @@ -0,0 +1,201 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/ {
> +	cpu0_opp_table: cpu_opp_table0 {
> +		opp@...000000_750 {

Maybe just drop the _750 (i.e. voltage) from the names as we don't generally
follow it :)

> +			opp-microvolt = <750000 750000 1125000>;
> +		};

-- 
viresh