svn commit: r203426 - head/sys/dev/ahci

Alexander Motin mav at FreeBSD.org
Thu Feb 4 07:23:20 UTC 2010


Hi.

Andrey V. Elsukov wrote:
> On 03.02.2010 15:00, Alexander Motin wrote:
>> Log:
>>    Disable PHY of unconnected ports when interface power management
>> enabled.
>>    It allows to save a bit more power (about 0.5W on 2 unused ports of
>> ICH8M).
> 
> Is there a way to manually enable it?

You mean enable port back? You can do `camcontrol reset X` manually. It
will enable port, probe for device, and if there still none - disable it
again. If device was found - port will stay enabled, according to
selected pm_level value.

-- 
Alexander Motin


More information about the svn-src-all mailing list