# Re: Trace

- From: Sébastien Chrétien \<hidden\>
- Date: 2008-09-04 20:20:12 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2008/09/9445252
- Thread: https://ratatoskr.run/linuxppc-dev/2008/09/9445096/t.md

```text

I followed your advice : I used the UART layer.
It is easier.
Thanks


Benjamin Herrenschmidt a écrit :
> On Tue, 2008-09-02 at 09:34 +0200, Sébastien Chrétien wrote:
>   
>> ok is it a bad way to write a tty driver ? why ?
>>     
>
> Not necessarily, it's just overkill. The UART layer handles a lot
> of stuff for you. The tty layer is tricky to get right.
>
> Cheers,
> Ben.
>
>
>   
```