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1.. SPDX-License-Identifier: GPL-2.02 3==========================4Link Power Managent Policy5==========================6 7This parameter allows the user to set the link (interface) power management.8There are 3 possible options:9 10===================== =====================================================11Value Effect12===================== =====================================================13min_power Tell the controller to try to make the link use the14 least possible power when possible. This may15 sacrifice some performance due to increased latency16 when coming out of lower power states.17 18max_performance Generally, this means no power management. Tell19 the controller to have performance be a priority20 over power management.21 22medium_power Tell the controller to enter a lower power state23 when possible, but do not enter the lowest power24 state, thus improving latency over min_power setting.25===================== =====================================================26