Date: Wed, 10 Jul 2019 12:15:07 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r349882 - stable/12/share/man/man4 Message-ID: <201907101215.x6ACF7Rr044350@repo.freebsd.org>
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Author: mav Date: Wed Jul 10 12:15:07 2019 New Revision: 349882 URL: https://svnweb.freebsd.org/changeset/base/349882 Log: MFC r340093 (by imp): Document disbale_phy in ahcich sysctls. Modified: stable/12/share/man/man4/ahci.4 Directory Properties: stable/12/ (props changed) Modified: stable/12/share/man/man4/ahci.4 ============================================================================== --- stable/12/share/man/man4/ahci.4 Wed Jul 10 12:10:10 2019 (r349881) +++ stable/12/share/man/man4/ahci.4 Wed Jul 10 12:15:07 2019 (r349882) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 22, 2013 +.Dd November 2, 2018 .Dt AHCI 4 .Os .Sh NAME @@ -162,6 +162,13 @@ fault LED device nodes .It Pa /dev/led/ahci*.*.locate locate LED device nodes .El +.Sh SYSCTL +.Bl -tag +.It Pa dev.ahcich.X.disable_phy +Set to 1 to disable the phy for the drive on channel X. +Set to 0 to enable the phy. +Useful for turning off troublemakers. +Also useful for debugging when you need the ada drive to come and go. .Sh SEE ALSO .Xr ada 4 , .Xr ata 4 ,
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