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Document disbale_phy in ahcich sysctls.

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This commit is contained in:
Warner Losh 2018-11-03 00:47:02 +00:00
parent 4668666fe4
commit f23a91c220
1 changed files with 8 additions and 1 deletions
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9
share/man/man4/ahci.4
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@ -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 ,