title: How to remove /disable the 8250.o module and implement my own 8250 driver
body: <p>I would like to disable or remove 8250.c (low level UART driver)  module and to implement the same with basic functionally so as it will perform read and write request from user-space</p>
  
  <p>Here are my questions :</p>
  
  <ol>
  <li>How to remove / disable the 8250.0 module </li>
  <li>If possible give me some reference links / examples to implement the 8250 driver with basic functionality.</li>
  </ol>
  
  <p>I am newbie for Linux device driver, excuse myself if I am wrong. I have googled a lot but didn't get the proper solution</p>