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From: "Robert P. J. Day" <rpjday@mindspring.com>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Remove logically superfluous comparisons from Kconfig files.
Date: Mon, 18 Dec 2006 05:28:07 -0500 (EST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0612180527440.22930@localhost.localdomain> (raw)
In-Reply-To: <20061218102653.GA23947@flint.arm.linux.org.uk>

On Mon, 18 Dec 2006, Russell King wrote:

> On Mon, Dec 18, 2006 at 05:14:01AM -0500, Robert P. J. Day wrote:
> >   Remove Kconfig comparisons of the form FUBAR || FUBAR=n, since they
> > appear to be superfluous.
>
> config FOO
> 	tristate 'foo'
> 	depends on BAR || BAR=n
>
> is not superfluous.  The allowed states for FOO with the above construct
> are (assuming modules are enabled):
>
> 	BAR	FOO
> 	Y	Y,M,N
> 	M	M,N
> 	N	Y,M,N

ah, ok, i get it now.

> Also, you create some constructs such as:
>
>         depends on && PCI
>
> which is obviously wrong.

whoops, sorry, i didn't even notice that.

rday

  reply	other threads:[~2006-12-18 10:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-18 10:14 [PATCH] Remove logically superfluous comparisons from Kconfig files Robert P. J. Day
2006-12-18 10:26 ` Russell King
2006-12-18 10:28   ` Robert P. J. Day [this message]
2006-12-27 13:03 ` Horst H. von Brand
2006-12-27 23:38   ` Robert P. J. Day

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