linux-kernel - Re: Smartmedia/xd card support

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Message-Id: <200804171536.47999.arnd@arndb.de>
Date:	Thu, 17 Apr 2008 15:36:47 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Andy Lutomirski <luto@...ealbox.com>
Cc:	Alex Dubov <oakad@...oo.com>, Ben Dooks <ben@...ff.org>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Jörn Engel <joern@...fs.org>
Subject: Re: Smartmedia/xd card support - request for comments

On Thursday 17 April 2008, Andy Lutomirski wrote:
> > 
> > They have nothing to do with JFFS or UBI (it's an interchange format).
> > They require FTL.
> 
> Or does using them according to the interchange spec require FTL?
> 
> (That is, it would be really cool to finally have a supported MTD device 
> that doesn't need to be soldered on to the motherboard, so I could plug 
> the thing in and run UBIFS / JFFS2 / whatever.  I wouldn't be able to 
> use it for a camera, then, but it would be great for little machines 
> that don't need full hard drives, or for developing MTD filesystems on 
> readily-available hardware.)

There is one MTD driver for Smartmedia/xD in the kernel, see
drivers/mtd/nand/alauda.c. It is derived from the USB mass storage
driver drivers/usb/storage/alauda.c, which contains another copy of
the SM FTL.

	Arnd <><
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