git: 71a0ea70234d - main - umcs.4: Describe better, canonicalize SYNOPSIS
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Date: Mon, 21 Sep 2026 21:07:24 UTC
The branch main has been updated by ziaee:
URL: https://cgit.FreeBSD.org/src/commit/?id=71a0ea70234d58292bdf4b1dfad4f81511bd3457
commit 71a0ea70234d58292bdf4b1dfad4f81511bd3457
Author: Alexander Ziaee <ziaee@FreeBSD.org>
AuthorDate: 2026-09-21 20:59:21 +0000
Commit: Alexander Ziaee <ziaee@FreeBSD.org>
CommitDate: 2026-09-21 21:03:20 +0000
umcs.4: Describe better, canonicalize SYNOPSIS
+ tag SPDX
+ improve apropos and hardware notes context
+ canonicalize SYNOPSIS
MFC after: 3 days
---
share/man/man4/umcs.4 | 31 +++++++++++++------------------
1 file changed, 13 insertions(+), 18 deletions(-)
diff --git a/share/man/man4/umcs.4 b/share/man/man4/umcs.4
index 0ed778066a6e..389783af77e8 100644
--- a/share/man/man4/umcs.4
+++ b/share/man/man4/umcs.4
@@ -1,4 +1,6 @@
.\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
.\" Copyright (c) 2010 Lev Serebryakov <lev@FreeBSD.org>.
.\" All rights reserved.
.\"
@@ -26,33 +28,25 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 26, 2017
+.Dd September 21, 2026
.Dt UMCS 4
.Os
.Sh NAME
.Nm umcs
-.Nd USB support for serial adapters based on the MCS7820 and MCS7840 chips
+.Nd ASIX/MosChip MCS7840/MCS7820 USB to serial UART driver
.Sh SYNOPSIS
-To compile this driver into the kernel,
-place the following lines in your
-kernel configuration file:
-.Bd -ragged -offset indent
-.Cd "device usb"
-.Cd "device ucom"
-.Cd "device umcs"
-.Ed
+.Cd device usb
+.Cd device ucom
+.Cd device umcs
.Pp
-Alternatively, to load the driver as a
-module at boot time, place the following line in
+In
.Xr loader.conf 5 :
-.Bd -literal -offset indent
-umcs_load="YES"
-.Ed
+.Cd umcs_load="YES"
.Sh DESCRIPTION
The
.Nm
-driver provides support for various multiport serial adapters based on the MosCom
-MCS7820 and MCS7840 chips.
+driver provides support for various multiport serial adapters
+based on the ASIX/MosChip MCS7840 and MCS7820 chips.
They are 2- or 4-port adapters with full-featured
16550-compatible UARTs and very flexible baud generators.
Also, these chips
@@ -70,7 +64,8 @@ and
.Sh HARDWARE
The
.Nm
-driver was tested on the following adapters:
+driver supports the following USB to serial UART controllers
+based on the ASIX/MosChip MCS7840 and MCS7820:
.Pp
.Bl -bullet -compact
.It