[lkml]   [2019]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 0/3] add coupled regulators for Exynos5422/5800
On 10.07.2019 12:14, Krzysztof Kozlowski wrote:
> On Wed, 10 Jul 2019 at 12:03, Kamil Konieczny
> <> wrote:
>> On 10.07.2019 11:00, Krzysztof Kozlowski wrote:
>>> On Mon, 8 Jul 2019 at 16:12, <> wrote:
>>>> From: Kamil Konieczny <>
>>>> Hi,
>>>> The main purpose of this patch series is to add coupled regulators for
>>>> Exynos5422/5800 to keep constrain on voltage difference between vdd_arm
>>>> and vdd_int to be at most 300mV. In exynos-bus instead of using
>>>> regulator_set_voltage_tol() with default voltage tolerance it should be
>>>> used regulator_set_voltage_triplet() with volatege range, and this is
>>>> already present in opp/core.c code, so it can be reused. While at this,
>>>> move setting regulators into opp/core.
>>>> This patchset was tested on Odroid XU3.
>>>> The last patch depends on two previous.
>>> So you break the ABI... I assume that patchset maintains
>>> bisectability. However there is no explanation why ABI break is needed
>>> so this does not look good...
>> Patchset is bisectable, first one is simple and do not depends on others,
>> second depends on first, last depends on first and second.
>> What do you mean by breaking ABI ?
> I mean, that Linux kernel stops working with existing DTBs... or am I
> mistaken and there is no problem? Maybe I confused the order...

It is not ABI break, it should work with existing DTBs

Best regards,
Kamil Konieczny
Samsung R&D Institute Poland

 \ /
  Last update: 2019-07-10 15:51    [W:0.062 / U:7.456 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site