Re: ahci power management
Matthew Dillon <dillon@apollo.backplane.com> wrote:
> :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.
Ah right. Patch updated.
Johannes
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