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To: linux-mtd@lists.infradead.org
From: Matthieu CASTET <castet.matthieu@free.fr>
Subject: Re: [RFC] MTD driver for MMC cards
Date: Sun, 31 Dec 2006 17:40:13 +0000 (UTC)
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References: <200612281418.20643.arnd@arndb.de> <4597ADD2.90700@drzeus.cx>
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On Sun, 31 Dec 2006 13:32:18 +0100, Pierre Ossman wrote:

> Arnd Bergmann wrote:
 
 
> I'm a complete MTD noob, but what uses does the MTD layer have besides
> JFFS2. If it's none, than this advantage isn't that big of a deal.
> 
AFAIK MTD is for device where erase is need to managed in "software" :
http://www.linux-mtd.infradead.org/faq/general.html


For SD card, doesn't a microcontroller on the card hide this, and make the
sd card acts like a normal block device (no need to erase a block before
writing it)?