Messages in this thread | | | Date | Mon, 27 Jan 2020 11:41:18 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH v3 3/5] OPP: Improve require-opps linking |
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On 25-11-19, 16:58, Viresh Kumar wrote: > >From 8df083ca64d82ff57f778689271cc1be75aa99c4 Mon Sep 17 00:00:00 2001 > Message-Id: <8df083ca64d82ff57f778689271cc1be75aa99c4.1574681211.git.viresh.kumar@linaro.org> > From: Viresh Kumar <viresh.kumar@linaro.org> > Date: Mon, 25 Nov 2019 13:57:58 +0530 > Subject: [PATCH] opp: Allow lazy-linking of required-opps > > The OPP core currently requires the required opp tables to be available > before the dependent OPP table is added, as it needs to create links > from the dependent OPP table to the required ones. This may not be > convenient to all the platforms though, as this requires strict ordering > of probing of drivers. > > This patch allows lazy-linking of the required-opps. The OPP tables for > which the required-opp-tables aren't available at the time of their > initialization, are added to a special list of OPP tables: > pending_opp_tables. Later on, whenever a new OPP table is registered > with the OPP core, we check if it is required by an OPP table in the > pending list; if yes, then we complete the linking then and there. > > An OPP table is marked unusable until the time all its required-opp > tables are available. And if lazy-linking fails for an OPP table, the > OPP core disables all of its OPPs to make sure no one can use them. > > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > --- > drivers/opp/core.c | 13 ++++++ > drivers/opp/of.c | 113 +++++++++++++++++++++++++++++++++++++++++++-- > drivers/opp/opp.h | 4 +- > 3 files changed, 124 insertions(+), 6 deletions(-)
I was hoping to queue this up for next release, any update on getting this tested ?
-- viresh
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