There Is A Bunch Of ACPI & Power Management Updates For Linux 4.4
Written by Michael Larabel in Hardware on 3 November 2015 at 10:25 AM EST. 1 Comment
HARDWARE --
Rafael Wysocki notes that with the power management and ACPI updates for Linux 4.4 there are "quite a [few] features are included this time" for improving Linux power use.

The ACPI/PM update for the Linux 4.4 kernel lands the Collaborative Processor Performance Control interface for 64-bit ARM, Linux ACPI has a new early probing method for IRQ chips and clock sources, there are a number of other ACPI core improvements, and a new method for device drivers of knowing whether the system is going to suspend-to-RAM or suspend-to-idle.

This pull also has various CPUFreq driver updates, Intel Broxton support for the power-capping RAPL driver, and other hardware-specific changes. More details via this lengthy LKML message.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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