Date: Fri, 20 Feb 2009 23:17:52 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/dev/ata/chipsets ata-ahci.c Message-ID: <200902202317.n1KNHwhq079940@repoman.freebsd.org>
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mav 2009-02-20 23:17:52 UTC
FreeBSD src repository
Modified files:
sys/dev/ata/chipsets ata-ahci.c
Log:
SVN rev 188877 on 2009-02-20 23:17:52Z by mav
Disable port hardware on detach. First switch it to slumber mode to
power-down peer transmitter, then disable completely.
Side effect of this is saving about 0.5W of power per detached device.
Revision Changes Path
1.12 +16 -0 src/sys/dev/ata/chipsets/ata-ahci.c
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