Author: mav Date: Tue Dec 6 09:12:11 2011 New Revision: 228305 URL: http://svn.freebsd.org/changeset/base/228305
Log: Mention that Cold Presence Detection feature used for hot-plug detection when interface power management is enabled. Modified: head/share/man/man4/ahci.4 Modified: head/share/man/man4/ahci.4 ============================================================================== --- head/share/man/man4/ahci.4 Tue Dec 6 08:08:52 2011 (r228304) +++ head/share/man/man4/ahci.4 Tue Dec 6 09:12:11 2011 (r228305) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 2, 2011 +.Dd December 6, 2011 .Dt AHCI 4 .Os .Sh NAME @@ -90,9 +90,9 @@ Some controllers, such as ICH8, do not i Because of artificial entering latency, performance degradation in modes 4 and 5 is much smaller then in modes 2 and 3. .Pp -Note that interface Power Management is not compatible with -device presence detection. -A manual bus reset is needed on device hot-plug. +Note that interface Power Management complicates device presence detection. +A manual bus reset/rescan may be needed after device hot-plug, unless hardware +implements Cold Presence Detection. .It Va hint.ahcich. Ns Ar X Ns Va .sata_rev setting to nonzero value limits maximum SATA revision (speed). Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
