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From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-dev@ozlabs.org
Subject: Re: [patch 6/7] ps3: ROM Storage Driver
Date: Fri, 25 May 2007 23:04:29 +0200
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Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
       linux-kernel@vger.kernel.org
References: <20070525083607.784351000@sonycom.com> <200705251850.30342.arnd@arndb.de> <Pine.LNX.4.62.0705252135010.2657@pademelon.sonytel.be>
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On Friday 25 May 2007, Geert Uytterhoeven wrote:
> 
> > What is the problem? Is there infrastructure missing in the
> > CD-ROM layer?
> 
> As the CD/DVD/BD part just accepts SCSI/ATAPI commands (except for plain
> read/write), I was suggested to keep it as a SCSI driver.

Ok, so I guess the tradeoff here is that by writing it as a SCSI
driver, you don't need to implement any of the cdrom_device_ops
yourself but instead need to fake a few of the SCSI commands
in ps3rom_request(). Fair enough.

	Arnd <><