Re: [PATCH 1/2] chrdev: implement __[un]register_chrdev()

From: Greg KH
Date: Thu Aug 06 2009 - 16:03:42 EST


On Thu, Aug 06, 2009 at 05:13:31PM +0900, Tejun Heo wrote:
> Tejun Heo wrote:
> > Hello,
> >
> > Greg KH wrote:
> >> Yes the names are confusing, the whole api needs a rework to make it
> >> easier to understand :(
> >
> > For now, I'll open code it then but it would be really nice to clean
> > the names up.
>
> Crap, there's a difference. For [un]register_chrdev() the chrdev
> layer keeps track of cdev while using cdev_alloc/add/del() directly
> requires the caller to keep track of the pointer. Also, it's a bit of
> pain to open code the whole thing.
>
> For now, it looks like adding the __ prefixed versions seems to be the
> proper solution. It's strange to provide the helper interface only
> for full minor acquisitions anyway. Let's do naming cleanup later.
> How does that sound?

Well, what's the odds that I can get you to do cleanup now? :)

Sure, I'll take this, only if Takashi wants the other stuff that depends
on it. Let me know.

thanks,

greg k-h
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