From 3dfeacdfc33d83193b25d5597065a54649592a8c Mon Sep 17 00:00:00 2001
From: marius <marius@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Thu, 21 Jun 2012 09:57:34 +0000
Subject: [PATCH] MFC: r237235

Document the hw.ahci.force tunable here, too, as it's also used by
ataahci(4) and atanvidia(4).


git-svn-id: svn://svn.freebsd.org/base/stable/8@237373 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 share/man/man4/ata.4 | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/share/man/man4/ata.4 b/share/man/man4/ata.4
index 9fa597ea0..d9dfdcb70 100644
--- a/share/man/man4/ata.4
+++ b/share/man/man4/ata.4
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 3, 2010
+.Dd June 18, 2012
 .Dt ATA 4
 .Os
 .Sh NAME
@@ -90,10 +90,14 @@ APIs and periperal drivers):
 .Pp
 The following tunables are settable from the loader:
 .Bl -ohang
+.It Va hw.ahci.force
+set to nonzero value for forcing drivers to attach to some known AHCI-capable
+chips even if they are configured for legacy IDE emulation (the default is 1,
+force the attach).
 .It Va hw.ata.ata_dma
 set to 1 for DMA access, 0 for PIO (default is DMA).
 .It Va hw.ata.ata_dma_check_80pin
-set to 0 to disable the 80pin cable check (default is 1, check the cable) 
+set to 0 to disable the 80pin cable check (default is 1, check the cable).
 .It Va hw.ata.atapi_dma
 set to 1 for DMA access, 0 for PIO (default is DMA).
 .It Va hw.ata.wc
-- 
2.45.0