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From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-dev@ozlabs.org
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [patch 6/7] ps3: ROM Storage Driver
Date: Fri, 25 May 2007 23:04:29 +0200	[thread overview]
Message-ID: <200705252304.30396.arnd@arndb.de> (raw)
In-Reply-To: <Pine.LNX.4.62.0705252135010.2657@pademelon.sonytel.be>

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 <><

  reply	other threads:[~2007-05-25 21:04 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-25  8:36 [patch 0/7] RFC: PS3 Storage Drivers Geert.Uytterhoeven
2007-05-25  8:36 ` [patch 1/7] ps3: Preallocate bootmem memory for the PS3 FLASH ROM storage driver Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-25 22:35   ` Benjamin Herrenschmidt
2007-05-26  8:51     ` Geert Uytterhoeven
2007-05-26 22:17       ` Benjamin Herrenschmidt
2007-05-27 18:24         ` Arnd Bergmann
2007-05-27 18:24           ` Arnd Bergmann
2007-05-25  8:36 ` [patch 2/7] ps3: Extract ps3_repository_find_bus() Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-25  8:36 ` [patch 3/7] ps3: Storage Driver Core Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-25  8:36 ` [patch 4/7] ps3: Storage Driver Probing Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-25 16:18   ` Arnd Bergmann
2007-05-25 17:09     ` Geoff Levand
2007-05-25 17:09       ` Geoff Levand
2007-05-25 19:48     ` Geert Uytterhoeven
2007-05-25 22:54       ` Benjamin Herrenschmidt
2007-05-25 22:54         ` Benjamin Herrenschmidt
2007-05-25 22:47     ` Benjamin Herrenschmidt
2007-05-25 22:47       ` Benjamin Herrenschmidt
2007-05-26  8:56       ` Geert Uytterhoeven
2007-05-26  8:56         ` Geert Uytterhoeven
2007-05-25  8:36 ` [patch 5/7] ps3: Disk Storage Driver Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-25 11:45   ` Olaf Hering
2007-05-25 19:43     ` Geert Uytterhoeven
2007-05-25 20:47       ` Olaf Hering
2007-05-25 16:26   ` Arnd Bergmann
2007-05-25 19:40     ` Geert Uytterhoeven
2007-05-25 20:43       ` Arnd Bergmann
2007-05-25 21:22         ` Geert Uytterhoeven
2007-05-25 22:45           ` Arnd Bergmann
2007-05-25 22:53       ` Benjamin Herrenschmidt
2007-05-25 22:53         ` Benjamin Herrenschmidt
2007-05-25 22:48     ` Benjamin Herrenschmidt
2007-05-25 22:48       ` Benjamin Herrenschmidt
2007-05-25  8:36 ` [patch 6/7] ps3: ROM " Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-25 11:24   ` Olaf Hering
2007-05-25 22:45     ` Benjamin Herrenschmidt
2007-05-26  8:52       ` Geert Uytterhoeven
2007-05-26  8:52         ` Geert Uytterhoeven
2007-05-26 22:18         ` Benjamin Herrenschmidt
2007-05-26 22:18           ` Benjamin Herrenschmidt
2007-05-29  9:55           ` Christoph Hellwig
2007-05-25 16:50   ` Arnd Bergmann
2007-05-25 19:36     ` Geert Uytterhoeven
2007-05-25 21:04       ` Arnd Bergmann [this message]
2007-05-29 10:51         ` Christoph Hellwig
2007-05-29 10:51           ` Christoph Hellwig
2007-05-29 10:49   ` Christoph Hellwig
2007-05-29 11:11     ` Geert Uytterhoeven
2007-05-29 11:31       ` Benjamin Herrenschmidt
2007-05-29 11:31         ` Benjamin Herrenschmidt
2007-05-30 10:13       ` Christoph Hellwig
2007-05-30 10:13         ` Christoph Hellwig
2007-05-30 11:45         ` Benjamin Herrenschmidt
2007-05-30 11:45           ` Benjamin Herrenschmidt
2007-05-30 17:18           ` Geoff Levand
2007-05-30 17:18             ` Geoff Levand
2007-05-29 16:21     ` Geert Uytterhoeven
2007-05-30 10:01       ` Christoph Hellwig
2007-05-30 10:01         ` Christoph Hellwig
2007-05-25  8:36 ` [patch 7/7] ps3: FLASH " Geert.Uytterhoeven
2007-05-25  8:36   ` Geert.Uytterhoeven
2007-05-29  9:53   ` Christoph Hellwig
2007-05-29  9:57     ` Geert Uytterhoeven
2007-05-29 10:51       ` Christoph Hellwig
2007-05-29 10:51         ` Christoph Hellwig

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