How can i remove my existing parallel port driver?

[asprakash]

Dear Friends!
I executed a character driver for parallel port ,my base address for parallel port is : 0x378 and i am trying to insert my obj into my kernel by using "insmod" command. But i am getting error : "inserting error. the address is already in use".
so i showed the list of ports driver by "cat /proc/ioports". now, i found out the address 0x378 has already in use by the name parport_pc. I tried to remove it by the command: "rmmod parport_pc". but it says, "the driver is busy. it is in use". but i did not used any parallel port device.How can i remove my existing parallel port driver? And how can use my driver?
Please help me. I am waiting for your valuable reply.
Thank you.

[fernape]

I strongly recommend that you use other address if it is possible. If not, try to see if that driver is a base driver for other modules. If this is the case, you should 'rmmod' them before.