linux-kernel - Re: dead CONFIG_ variables: drivers/scsi/

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Message-Id: <1178201730.3714.4.camel@mulgrave.il.steeleye.com>
Date:	Thu, 03 May 2007 09:15:30 -0500
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org
Subject: Re: dead CONFIG_ variables:  drivers/scsi/

On Thu, 2007-05-03 at 06:10 -0400, Robert P. J. Day wrote:
> $ ../dead_config.sh drivers/scsi
> ========== 53C700_BE_BUS ==========
> drivers/scsi/53c700.h:266:#ifdef CONFIG_53C700_BE_BUS

This isn't dead, it's a placeholder ... the 53c700 can be wired either
LE or BE ... there's only one current BE user, and that's a parisc box
that has to be runtime switchable (the later integrated SCSI chip was
wired LE).  However, it was thought there would be ppc users for
unconditional BE drivers.

James


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