On Wed, 10 Jul 2019 at 15:51, Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx> wrote: > > On 10.07.2019 12:14, Krzysztof Kozlowski wrote: > > On Wed, 10 Jul 2019 at 12:03, Kamil Konieczny > > <k.konieczny@xxxxxxxxxxxxxxxxxxx> wrote: > >> > >> On 10.07.2019 11:00, Krzysztof Kozlowski wrote: > >>> On Mon, 8 Jul 2019 at 16:12, <k.konieczny@xxxxxxxxxxxxxxxxxxx> wrote: > >>>> > >>>> From: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx> > >>>> > >>>> 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 Ah, thanks. My misunderstanding then. Looks good. Best regards, Krzysztof