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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Mon, 30 May 2011 10:12:17 +0000 (UTC)
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Subject: svn commit: r222491 - head/share/man/man4
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Author: adrian
Date: Mon May 30 10:12:17 2011
New Revision: 222491
URL: http://svn.freebsd.org/changeset/base/222491

Log:
  Mention in ath(4) that ath_pci is required now.

Modified:
  head/share/man/man4/ath.4

Modified: head/share/man/man4/ath.4
==============================================================================
--- head/share/man/man4/ath.4	Mon May 30 10:07:46 2011	(r222490)
+++ head/share/man/man4/ath.4	Mon May 30 10:12:17 2011	(r222491)
@@ -40,6 +40,7 @@ place the following lines in your
 kernel configuration file:
 .Bd -ragged -offset indent
 .Cd "device ath"
+.Cd "device ath_pci"
 .Cd "device ath_hal"
 .Cd "options AH_SUPPORT_AR5416"
 .Cd "device ath_rate_sample"
@@ -51,6 +52,7 @@ module at boot time, place the following
 .Xr loader.conf 5 :
 .Bd -literal -offset indent
 if_ath_load="YES"
+if_ath_pci_load="YES"
 .Ed
 .Sh DESCRIPTION
 The
@@ -64,6 +66,19 @@ Supported features include 802.11 and 80
 IBSS, MBSS, TDMA, and host-based access point operation modes.
 All host/device interaction is via DMA.
 .Pp
+Please note that from FreeBSD-9.0, the
+.Nm
+driver does not include the PCI/PCIe bus glue.
+The same driver supports multiple underlying bus types, including PCI/PCIe,
+but also embedded (AHB) and USB in the future.
+.Pp
+To enable use for PCI/PCIe systems, see the
+.Xr ath_pci 4
+driver.
+For embedded systems which use the AHB to connect the wireless MAC, see the
+.Xr ath_ahb 4
+driver.
+.Pp
 The
 .Nm
 driver encapsulates all IP and ARP traffic as 802.11 frames, however