2011/7/8 Rafael J. Wysocki <rjw@xxxxxxx>: > On Thursday, June 30, 2011, MyungJoo Ham wrote: >> Charger Manager provides in-kernel battery charger management that >> requires temperature monitoring during both normal and suspend-to-RAM states >> and where each battery may have multiple chargers attached and the userland >> wants to look at the aggregated information of the multiple chargers. >> >> For the discussions about the need for in-suspend monitoring, please >> refer to the discussions of suspend-again in PM: >> v1 https://lists.linux-foundation.org/pipermail/linux-pm/2011-April/031052.html >> v2 https://lists.linux-foundation.org/pipermail/linux-pm/2011-April/031111.html >> v3 https://lists.linux-foundation.org/pipermail/linux-pm/2011-May/031267.html >> v4 https://lists.linux-foundation.org/pipermail/linux-pm/2011-May/031357.html >> v5 (last, applied) https://lists.linux-foundation.org/pipermail/linux-pm/2011-June/031561.html >> >> To see the usage example, please refer to: >> http://git.infradead.org/users/kmpark/linux-2.6-samsung/shortlog/refs/heads/charger-manager >> In this git branch, a test code for Exynos4-NURI is shown. >> >> Charger Manager is a platform_driver with power-supply-class entries. >> An instance of Charger Manager (a platform-device created with >> Charger-Manager) represents a battery with chargers. If there are multiple >> batteries with their own chargers acting independently in a system, >> the system may need multiple instances of Charger Manager. >> >> Charger Manager glues multiple charger-related frameworks (regulators of >> chargers, power-supply-class from chargers and fuel-gauge, RTC, >> suspend-again, ...) together to provide aggregated information and >> transparent battery monitoring to userspace. >> >> Because battery health monitoring should be done even when suspended, >> it needs to wake up and suspend periodically. Thus, userspace battery >> monitoring may incur too much overhead; every device and task is waked >> up periodically. Charger Manager uses suspend-again (in next PM) to provide >> in-suspend monitoring. Multiple chargers (e.g., USB, wireless, and solar >> panels) may be included as pairs of a regulator and a power-supply-class >> per charger. Charger Manager provides power-supply-class aggregating >> information from multiple chargers and a fuel-gauge and UEVENT notifying >> status changes. Multiple instances of Charger Manager enable multiple >> batteries. >> >> Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> >> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > > I have tried to review this patch, but it is _huge_. Is there any reasonable > way to split it into a series of smaller patches that would be easier to > comprehend? > > Rafael > Ah.. ok.. I'll try to split it into multiple patches by introducing major functions first. Thanks. - MyungJoo. -- MyungJoo Ham (함명주), Ph.D. Mobile Software Platform Lab, Digital Media and Communications (DMC) Business Samsung Electronics cell: 82-10-6714-2858 _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
