linux-kernel - Re: [PATCH 2/3] devfreq: exynos-bus: convert to use dev_pm_opp_set

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Message-ID: <a5da4135-0471-3628-c78a-c4fffc75723b@partner.samsung.com>
Date:   Thu, 11 Jul 2019 15:36:50 +0200
From:   Kamil Konieczny <k.konieczny@...tner.samsung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Kukjin Kim <kgene@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Mark Rutland <mark.rutland@....com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Nishanth Menon <nm@...com>, Rob Herring <robh+dt@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH 2/3] devfreq: exynos-bus: convert to use
 dev_pm_opp_set_rate()



On 10.07.2019 19:04, Krzysztof Kozlowski wrote:
> On Mon, 8 Jul 2019 at 16:12, <k.konieczny@...tner.samsung.com> wrote:
>>
>> From: Kamil Konieczny <k.konieczny@...tner.samsung.com>
>>
>> Reuse opp core code for setting bus clock and voltage. As a side
>> effect this allow useage of coupled regulators feature (required
>> for boards using Exynos5422/5800 SoCs) because dev_pm_opp_set_rate()
>> uses regulator_set_voltage_triplet() for setting regulator voltage
>> while the old code used regulator_set_voltage_tol() with fixed
>> tolerance. This patch also removes no longer needed parsing of DT
>> property "exynos,voltage-tolerance" (no Exynos devfreq DT node uses
> 
> Please also update the bindings in such case. Both with removal of
> unused property and with example/recommended regulator couplings.

Right, I will remove it.

-- 
Best regards,
Kamil Konieczny
Samsung R&D Institute Poland