Thunderbolt Runtime Power Management Staged For Linux 4.19
Written by Michael Larabel in Hardware on 31 July 2018 at 05:52 AM EDT. Add A Comment
HARDWARE --
Adding to the list of notable changes for the Linux 4.19 kernel is run-time power management for Thunderbolt controllers.

Mika Westerberg of Intel who has been leading many of the Thunderbolt improvements for Linux has worked out support for run-time power management with the Thunderbolt host controller. This supports run-time suspending until receiving a remote wake event such as a device connect/disconnect or when user-space is trying to access the hardware.

This latest batch of Linux Thunderbolt improvements is queued as part of char-misc-next of new material that is expected to be merged for the Linux 4.19 kernel when that window likely opens next week.

Great to see the continued Linux power management improvements, especially considering how well Linux is beginning to perform for power efficiency relative to Windows 10. Any and all power management improvements are certainly welcome.
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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 10,000 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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