Re: [PATCH V2 2/4] opp: of: Support multiple suspend OPPs defined in DT
From: Viresh Kumar
Date: Wed Jul 24 2019 - 22:26:28 EST
On 09-07-19, 16:00, Anson.Huang@xxxxxxx wrote:
> From: Anson Huang <Anson.Huang@xxxxxxx>
> With property "opp-supported-hw" introduced, the OPP table
> in DT could be a large OPP table and ONLY a subset of OPPs
> are available, based on the version of the hardware running
> on. That introduces restriction of using "opp-suspend"
> property to define the suspend OPP, as we are NOT sure if the
> OPP containing "opp-suspend" property is available for the
> hardware running on, and the of opp core does NOT allow multiple
> suspend OPPs defined in DT OPP table.
> To eliminate this restrition, make of opp core allow multiple
> suspend OPPs defined in DT, and pick the OPP with highest rate
> and with "opp-suspend" property present to be suspend OPP, it
> can speed up the suspend/resume process.
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> No changes.
> drivers/opp/of.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)