From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@baylibre.com (Kevin Hilman) Date: Tue, 25 Oct 2016 10:02:39 -0700 Subject: [PATCH v2 0/4] ARM: K2G: Add support for TI-SCI Generic PM Domains In-Reply-To: <20161019203347.17893-1-d-gerlach@ti.com> (Dave Gerlach's message of "Wed, 19 Oct 2016 15:33:43 -0500") References: <20161019203347.17893-1-d-gerlach@ti.com> Message-ID: <7hr374uztc.fsf@baylibre.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dave Gerlach writes: > Hi, > This is v2 of the series to add support for TI SCI PM Domains. v1 of > the series can be found here [1]. Several things have changed since v1: > > - New patch to add a void *data to struct generic_pm_domain_data to > allow to store per device data associated with a genpd > - From v1, squash patch 1 and 2 to introduce docs and dt-bindings in > one patch based on comment from Ulf > - Fix some grammar errors in Documentation > - Based on comments from Ulf, rework actual genpd implementation to > avoid creating one genpd per device and instead use device start/stop > hooks provided as part of genpd to control device state based on pm_runtime > implementation. Also make use of new of_genpd_add_provider_simple API > introduced by Jon Hunter and do not provide custom of_xlate to genpd core, > instead registering devices as they probe through attach_dev hook provided > by genpd framework. > > Most of the changes were motivated by the comments from Ulf Hannson on v1 that we > should not use a 1-to-1 genpd to device mapping. The new approach allows us to > create a single genpd and store information about each device as they attach to > the genpd. Then the device start/stop hooks for that genpd leverage the > per-device data to control power states over the TI SCI protocol. > > This driver makes use of the ti_sci driver sent here [2] by Nishanth Menon and > applies on top of his series on v4.9-rc1. Reviewed-by: Kevin Hilman