linux-kernel - Re: [patch 6/7] ps3: ROM Storage Driver

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Message-Id: <200705252304.30396.arnd@arndb.de>
Date:	Fri, 25 May 2007 23:04:29 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linuxppc-dev@...abs.org
Cc:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 6/7] ps3: ROM Storage Driver

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 <><
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