smsc(4): update to mention Microchip

Microchip Technology acquired SMSC in 2012, and all current products and datasheets refer to the devices supported by this driver as Microchip parts. Mention SMSC in a parenthetical comment to explain the driver's name. Reviewed by: imp Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D45115
kravietz · May 8, 2024 · 7ef6ce5 · 7ef6ce5
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diff --git a/share/man/man4/smsc.4 b/share/man/man4/smsc.4
@@ -25,12 +25,12 @@
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd November 24, 2015
+.Dd May 7, 2024
 .Dt SMSC 4
 .Os
 .Sh NAME
 .Nm smsc
-.Nd "USB SMSC LAN9xxx Fast Ethernet driver"
+.Nd "USB Microchip LAN9xxx Fast Ethernet driver"
 .Sh SYNOPSIS
 To load the driver as a module at boot time, place the
 following line in
@@ -53,7 +53,7 @@ following lines in your kernel configuration file:
 The
 .Nm
 device driver provides support for USB Fast Ethernet adapters based
-on the SMSC LAN9xxx chipsets.
+on the Microchip (formerly SMSC) LAN9xxx chipsets.
 .Pp
 For more information on configuring this device, see
 .Xr ifconfig 8 .
@@ -64,11 +64,11 @@ driver:
 .Pp
 .Bl -bullet -compact
 .It
-SMSC LAN9500, LAN9500A, LAN9505 and LAN9505A based Ethernet adapters
+LAN9500, LAN9500A, LAN9505 and LAN9505A based Ethernet adapters
 .It
-SMSC LAN89530, LAN9530 and LAN9730 based Ethernet adapters
+LAN89530, LAN9530 and LAN9730 based Ethernet adapters
 .It
-SMSC LAN951x Ethernet adapters with integrated USB hub
+LAN951x Ethernet adapters with integrated USB hub
 .El
 .Sh SEE ALSO
 .Xr arp 4 ,

diff --git a/sys/dev/usb/net/if_smsc.c b/sys/dev/usb/net/if_smsc.c
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 /*
- * SMSC LAN9xxx devices (http://www.smsc.com/)
+ * Microchip LAN9xxx devices (https://www.microchip.com/en-us/product/lan9500a)
  * 
  * The LAN9500 & LAN9500A devices are stand-alone USB to Ethernet chips that
  * support USB 2.0 and 10/100 Mbps Ethernet.
@@ -38,7 +38,7 @@
  * supports the hub part.
  *
  * This driver is closely modelled on the Linux driver written and copyrighted
- * by SMSC.
+ * by SMSC (later acquired by Microchip).
  *
  *
  *