From: Rob Herring <robh@kernel.org>
To: Brian Norris <briannorris@chromium.org>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
Lin Huang <hl@rock-chips.com>,
linux-arm-kernel@lists.infradead.org,
Derek Basehore <dbasehore@chromium.org>,
devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
Heiko Stuebner <heiko@sntech.de>
Subject: Re: [PATCH v2 03/15] dt-bindings: devfreq: rk3399_dmc: Fix Hz units
Date: Wed, 9 Feb 2022 14:19:36 -0600 [thread overview]
Message-ID: <YgQh2AnJenCuoFgu@robh.at.kernel.org> (raw)
In-Reply-To: <20220127150615.v2.3.I9341269171c114d0e04e41d48037fd32816e2d8c@changeid>
On Thu, Jan 27, 2022 at 03:07:14PM -0800, Brian Norris wrote:
> The driver and all downstream device trees [1] are using Hz units, but
> the document claims MHz. DRAM frequency for these systems can't possibly
> exceed 2^32-1 Hz, so the choice of unit doesn't really matter than much.
>
> Rather than add unnecessary risk in getting the units wrong, let's just
> go with the unofficial convention and make the docs match reality.
>
> A sub-1MHz frequency is extremely unlikely, so include a minimum in the
> schema, to help catch anybody who might have believed this was MHz.
>
> [1] And notably, also those trying to upstream them:
> https://lore.kernel.org/lkml/20210308233858.24741-3-daniel.lezcano@linaro.org/
>
> Signed-off-by: Brian Norris <briannorris@chromium.org>
> ---
>
> (no changes since v1)
>
> .../bindings/devfreq/rk3399_dmc.yaml | 24 +++++++++----------
> 1 file changed, 12 insertions(+), 12 deletions(-)
Reviewed-by: Rob Herring <robh@kernel.org>
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next prev parent reply other threads:[~2022-02-09 20:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 23:07 [PATCH v2 00/15] rk3399: Clean up and enable DDR DVFS Brian Norris
2022-01-27 23:07 ` [PATCH v2 01/15] dt-bindings: devfreq: rk3399_dmc: Convert to YAML Brian Norris
2022-02-09 20:17 ` Rob Herring
2022-03-04 21:23 ` Brian Norris
2022-01-27 23:07 ` [PATCH v2 02/15] dt-bindings: devfreq: rk3399_dmc: Deprecate unused/redundant properties Brian Norris
2022-01-27 23:17 ` Brian Norris
2022-01-27 23:07 ` [PATCH v2 03/15] dt-bindings: devfreq: rk3399_dmc: Fix Hz units Brian Norris
2022-02-04 1:59 ` Chanwoo Choi
2022-02-09 20:19 ` Rob Herring [this message]
2022-01-27 23:07 ` [PATCH v2 04/15] dt-bindings: devfreq: rk3399_dmc: Specify idle params in nanoseconds Brian Norris
2022-02-09 20:21 ` Rob Herring
2022-01-27 23:07 ` [PATCH v2 05/15] dt-bindings: devfreq: rk3399_dmc: Add more disable-freq properties Brian Norris
2022-02-09 20:29 ` Rob Herring
2022-01-27 23:07 ` [PATCH v2 06/15] PM / devfreq: rk3399_dmc: Drop undocumented ondemand DT props Brian Norris
2022-01-27 23:07 ` [PATCH v2 07/15] PM / devfreq: rk3399_dmc: Drop excess timing properties Brian Norris
2022-01-27 23:07 ` [PATCH v2 08/15] PM / devfreq: rk3399_dmc: Use bitfield macro definitions for ODT_PD Brian Norris
2022-01-27 23:07 ` [PATCH v2 09/15] PM / devfreq: rk3399_dmc: Support new disable-freq properties Brian Norris
2022-01-27 23:07 ` [PATCH v2 10/15] PM / devfreq: rk3399_dmc: Support new *-ns properties Brian Norris
2022-01-27 23:07 ` [PATCH v2 11/15] arm64: dts: rk3399: Add dfi and dmc nodes Brian Norris
2022-01-27 23:07 ` [PATCH v2 12/15] arm64: dts: rockchip: Enable dmc and dfi nodes on gru Brian Norris
2022-03-04 14:47 ` Peter Geis
2022-03-04 20:47 ` Brian Norris
2022-04-06 2:05 ` Brian Norris
2022-04-07 0:18 ` Peter Geis
2022-01-27 23:07 ` [PATCH v2 13/15] PM / devfreq: rk3399_dmc: Disable edev on remove() Brian Norris
2022-01-27 23:07 ` [PATCH v2 14/15] PM / devfreq: rk3399_dmc: Use devm_pm_opp_of_add_table() Brian Norris
2022-01-27 23:07 ` [PATCH v2 15/15] PM / devfreq: rk3399_dmc: Avoid static (reused) profile Brian Norris
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