linux-kernel - Re: [PATCH] regmap: Append device name in the root debugfs dir

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Date:	Wed, 22 Feb 2012 14:00:47 +0000
From:	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regmap: Append device name in the root debugfs dir

On Wed, Feb 22, 2012 at 01:57:09PM +0000, Mark Brown wrote:
> On Wed, Feb 22, 2012 at 01:53:03PM +0000, Dimitris Papastamos wrote:
> 
> >  void regmap_debugfs_init(struct regmap *map)
> >  {
> > -	map->debugfs = debugfs_create_dir(dev_name(map->dev),
> > -					  regmap_debugfs_root);
> > +	char name[64];
> 
> That's a magic number, where did it come from?

I can try to use something like NAME_MAX I suppose.

> > +
> > +	snprintf(name, sizeof(name), "%s-%s",
> > +		 dev_name(map->dev), map->dev->driver->name);
> > +
> > +	map->debugfs = debugfs_create_dir(name, regmap_debugfs_root);
> 
> No, keep the directory name the same and add a new file.

Right, that was what I had initially implemented but seemed a bit of
overkill, but yea I can do that.

Thanks,
Dimitris
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