Re: [PATCH 0/3] Fix the TIOCGICOUNT problem for good

From: Alan Cox
Date: Mon Sep 20 2010 - 05:17:27 EST


On Sat, 18 Sep 2010 11:58:20 -0400
Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> On Thu, Sep 16, 2010 at 06:21:06PM +0100, Alan Cox wrote:
> > Remembering to clear fields is something driver authors are simply
> > never going to remember to get right every new driver. Instead take
> > the problem away from them and give them a simple interface to do
> > the job.
>
> Btw, I wonder if all the standard tty ioctls should get similar
> treatment. That way we have a nice enough skeleton of what needs to
> be implemented in every tty driver instead of passing down the raw
> ioctl method.

They have pretty much entirely now - TIOCMIWAIT is the main one that
hasn't been done, but that really wants a generic implementation in
tty_port that most drivers could then use.

Alan
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