Re: grey- and blacklisting drivers [Was: Re: Using the "best available" driver]

From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: grey- and blacklisting drivers [Was: Re: Using the "best available" driver]
Date: Tue, 13 Dec 2005 21:27:42 +0000	[thread overview]
Message-ID: <20051213212742.GA8123@vrfy.org> (raw)
In-Reply-To: <20051207181524.71dc2d41.zaitcev@redhat.com>

On Tue, Dec 13, 2005 at 03:56:49PM -0500, Dmitry Torokhov wrote:
> On 12/13/05, Kay Sievers <kay.sievers@vrfy.org> wrote:
> >
> > And another thing is the prameters textual value like "auto" and
> > "manual". If we never add a third option to it, we may stick with the sysfs
> > boolean, which is smaller and simpler to implement. Not sure what's the
> > best here.
> 
> I prefer textual values because:

> 1. They self-descriptive

The same is true for sysfs booleans. No need to "describe" "autobind" on
and off, right?)

> 2. They already used in kernel, so if you switch to numeric you'll
> break userrspace

Ther are currently no such attributes at the driver level, right? So
this does not apply at all.

> 3. Implementation difference is insignificant.

Well, if a boolean is enough, I disagree. But I'm not sure if someone
will want to specify a third operation mode. Than the textual values
are a big advantage, sure.

Kay

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