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SubjectRe: [PATCH] ARM: dts: exynos: Add proper regulator states for suspend-to-mem for odroid-u3
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Hi All,

On 2018-12-06 09:25, Marek Szyprowski wrote:
> On 2018-12-05 17:11, Anand Moon wrote:
>> On Wed, 5 Dec 2018 at 19:36, Krzysztof Kozlowski <krzk@kernel.org> wrote:
>>> On Tue, 4 Dec 2018 at 20:40, Anand Moon <linux.amoon@gmail.com> wrote:
>>>> Add suspend-to-mem node to regulator core to be enabled or disabled
>>>> during system suspend and also support changing the regulator operating
>>>> mode during runtime and when the system enter sleep mode.
>>>>
>>>> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
>>>> ---
>>>> Tested on Odroid U3+
>>>>
>>>> ...
>> Well I have tested this patch as following
>> with only one issue, before enable suspend number of On-line cpu is 4
>> after resume number of On-line cpu is 1.
> This seems to be a regression in v4.20-rc1, not related to dts changes
> at all. I'm investigating this now...


Okay, I mixed kernel versions a bit. To be precise, this regression is
between v4.20-rc2 and v4.20-rc3. Bisecting pointed commit 383fb3ee8024
("ARM: spectre-v2: per-CPU vtables to work around big.Little systems").
I will post a bug report about the regression.


Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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