1 .. SPDX-License-Identifier: GPL-2.0 2 3 ========================== 4 Link Power Managent Policy 5 ========================== 6 7 This parameter allows the user to set the link (interface) power management. 8 There are 3 possible options: 9 10 ===================== ===================================================== 11 Value Effect 12 ===================== ===================================================== 13 min_power Tell the controller to try to make the link use the 14 least possible power when possible. This may 15 sacrifice some performance due to increased latency 16 when coming out of lower power states. 17 18 max_performance Generally, this means no power management. Tell 19 the controller to have performance be a priority 20 over power management. 21 22 medium_power Tell the controller to enter a lower power state 23 when possible, but do not enter the lowest power 24 state, thus improving latency over min_power setting. 25 ===================== =====================================================
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