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 <><
next prev parent 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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