Re: [patch 3/3] Enable Aggressive Link Power management for AHCIcontrollers.

From: Arjan van de Ven
Date: Mon Jun 11 2007 - 21:18:20 EST

Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
min_power ALPM is enabled, and link set to enter lowest power state (SLUMBER) when idle
Hot plug not allowed.

max_performance ALPM is disabled, Hot Plug is allowed

medium_power ALPM is enabled, and link set to enter
second lowest power state (PARTIAL) when
idle. Hot plug not allowed.

Just some food for thought:

If you split it into a enable/disable (0/1) attribute, and a level attribute

on/off doesn't really make sense if the question is "do you favor power or do you favor performance".......
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at