linux-kernel - Re: [PATCH] SH/Dreamcast - add support for GD-Rom device

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Date:	Fri, 28 Dec 2007 07:20:15 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Adrian McMenamin <adrian@...golddream.dyndns.info>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-sh <linux-sh@...r.kernel.org>
Subject: Re: [PATCH] SH/Dreamcast - add support for GD-Rom device

On Thu, Dec 27, 2007 at 04:52:19PM +0000, Adrian McMenamin wrote:
> This patch adds support for the CD-Rom drive on the SEGA Dreamcast.
> 
> The SEGA Dreamcast has a built in CD-Rom drive, electrically similar
> to an ATA-3 drive, but implementing a proprietary packet interface -
> the so-called Sega Packet Interface (SPI)- and also supporting a
> proprietary format of disk - the Giga Disk Rom, with a 1GB capacity.
> The drive is know as the "GD-Rom drive".
> 
> This patch partially implements the SPI and also supports reading GD
> Rom disks. Unlike previous GD Rom drivers (which were never in the
> mainline), this driver implements DMA and not PIO for reads. It is a
> new driver, not a modified version of previous drivers.
> 
> This is the fifth iteration of this patch - which should work with
> both 2.6-24-rc5 and Paul Mundt's 2.6.25 queue.
> 
> Signed-off by: Adrian McMenamin <adrian@...en.demon.co.uk>
> 
Looks fine to me. Thanks for cleaning it up, Adrian.
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