Re: ahci power management
:I have updated the patch at
:http://leaf.dragonflybsd.org/~hofmann/ahci_pwrmgmt.patch
:accordingly.
:Link power management can now be switched on and off with a sysctl.
:On my system it is "hw.ahci0.0.link_pwr_mgmt"
:(0 = disabled, 1 = medium, 2 = aggressive).
:
:Thanks for the help on the ML and on irc,
: Johannes
This is looking very good. Just one more thing and I can commit it
for this release. The AHCI driver can be unloaded... the sysctl
nodes have to be destroyed when it is. It can be done in
ahci_port_free(). Keep in mind that the function can be called
on a partially initialized port so conditionalize the destruction of
the sysctl node on it having been installed.
-Matt
Matthew Dillon
<dillon@backplane.com>
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