PHY Driver as module

[Alok Barsode]

Hi,
I am a newbie to FreeBSD kernel development.
I am using FreeBSD 4.10.
I was trying to build a PHY driver as module
(/dev/mii/nsgphy.c) but i am unable to do so.
I modified the Makefile in /sys/modules/mii as follows

# $FreeBSD: src/sys/modules/mii/Makefile,v 1.11.2.8
2003/10/29 17:06:48 wpaul Exp $

.PATH:	${.CURDIR}/../../dev/mii
KMOD	= nsgphy
SRCS	= mii.c mii_physubr.c miibus_if.h device_if.h
miibus_if.c
SRCS	+= bus_if.h pci_if.h nsgphy.c 

.include <bsd.kmod.mk>

It generated a nsgphy.ko and a mii.ko 
I am unable to load the nsgphy.ko , it says "No such
file or directory".
When i try to insert mii.ko it says file exists.
Am i missing something?

Thanks,
Alok.

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