From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
krzk@kernel.org, robh+dt@kernel.org, vireshk@kernel.org,
devicetree@vger.kernel.org, kgene@kernel.org,
pankaj.dubey@samsung.com, linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
b.zolnierkie@samsung.com
Subject: Re: [PATCH v2 0/9] Exynos Adaptive Supply Voltage support
Date: Mon, 19 Aug 2019 13:16:19 +0200 [thread overview]
Message-ID: <b831d7c5-c830-fd65-20cf-02e209889c28@samsung.com> (raw)
In-Reply-To: <20190819090928.pke6cov52n4exlbp@vireshk-i7>
On 8/19/19 11:09, Viresh Kumar wrote:
> Will something like this help ?
>
> https://lore.kernel.org/lkml/1442623929-4507-3-git-send-email-sboyd@codeaurora.org/
>
> This never got merged but the idea was AVS only.
It's quite interesting work, it seems to be for a more advanced use case
where OPP voltage is being adjusted at runtime.
We could use it instead of removing an OPP and then adding with updated
voltage. On Exynos there is there is just a need to update OPPs once at boot
time, so it is more "static". However the requirements could presumably
change in future.
If that's your preference I could switch to that notifier approach.
AFAICS the API would still need to be extended to support multiple voltages,
when in future we add support for the Body Bias regulator.
--
Thanks,
Sylwester
next prev parent reply other threads:[~2019-08-19 11:16 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190718143117eucas1p1e534b9075d10fbbbe427c66192205eb1@eucas1p1.samsung.com>
2019-07-18 14:30 ` Sylwester Nawrocki
[not found] ` <CGME20190718143127eucas1p13b1e2c98d270140a87f09562ef46c9a3@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 1/9] soc: samsung: Add exynos chipid driver support Sylwester Nawrocki
2019-07-23 12:57 ` Krzysztof Kozlowski
2019-07-23 14:10 ` Bartlomiej Zolnierkiewicz
2019-07-24 10:47 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
[not found] ` <CGME20190718143128eucas1p2677ae16d229dddcd9a0db8084f0da5cf@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 2/9] soc: samsung: Convert exynos-chipid driver to use the regmap API Sylwester Nawrocki
2019-07-23 13:01 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
[not found] ` <CGME20190718143130eucas1p26f2058f47eb2f4020e1ddbf1619d1ac8@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 3/9] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki
2019-07-23 13:38 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
2019-08-08 12:31 ` Krzysztof Kozlowski
2019-08-08 12:48 ` Robin Murphy
2019-08-08 13:14 ` Krzysztof Kozlowski
[not found] ` <CGME20190718143131eucas1p2e1afc9fe816fff52ee4d12e0979eeb4c@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 4/9] ARM: EXYNOS: enable exynos_chipid for ARCH_EXYNOS Sylwester Nawrocki
[not found] ` <CGME20190718143132eucas1p2afecae86f2ef17aa8a4a99df8ffa47d9@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 5/9] ARM64: " Sylwester Nawrocki
[not found] ` <CGME20190718143134eucas1p2aed09e2171d0d2d6b916dddac3637017@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 6/9] ARM: EXYNOS: Enable exynos-asv driver " Sylwester Nawrocki
[not found] ` <CGME20190718143135eucas1p2da5b7842b35327c60667064184619a9f@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 7/9] soc: samsung: Update the CHIP ID DT binding documentation Sylwester Nawrocki
[not found] ` <CGME20190718143136eucas1p2cedfe5ed5e8e6316e82b30a565dc4855@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 8/9] ARM: dts: Add "syscon" compatible string to chipid node Sylwester Nawrocki
[not found] ` <CGME20190718143138eucas1p127542c4cb8416cee9af6a95f4bc98366@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 9/9] ARM: dts: Add samsung,asv-bin property for odroidxu3-lite Sylwester Nawrocki
2019-07-23 2:04 ` [PATCH v2 0/9] Exynos Adaptive Supply Voltage support Viresh Kumar
2019-07-24 13:10 ` Marek Szyprowski
2019-07-25 2:23 ` Viresh Kumar
2019-08-09 15:58 ` Sylwester Nawrocki
2019-08-19 9:09 ` Viresh Kumar
2019-08-19 10:06 ` Viresh Kumar
2019-08-19 11:16 ` Sylwester Nawrocki [this message]
2019-08-19 11:25 ` Viresh Kumar
2019-08-19 13:39 ` Sylwester Nawrocki
2019-08-20 3:01 ` Viresh Kumar
2019-08-20 9:03 ` Sylwester Nawrocki
2019-08-20 9:21 ` Viresh Kumar
2019-09-04 12:37 ` Sylwester Nawrocki
2019-09-05 5:01 ` Viresh Kumar
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