linux-kernel - Re: drivers/mtd/devices/at91

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Message-Id: <200705101307.19794.david-b@pacbell.net>
Date:	Thu, 10 May 2007 13:07:19 -0700
From:	David Brownell <david-b@...bell.net>
To:	Hans-Jürgen Koch <hjk@...utronix.de>
Cc:	dwmw2@...radead.org, Andrew Victor <andrew@...people.com>,
	tglx@...utronix.de,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: drivers/mtd/devices/at91_dataflash26.c

On Friday 27 April 2007, David Brownell wrote:
> On Friday 27 April 2007, Hans-Jürgen Koch wrote:
> 
> > > 	 the m25p80 driver
> > > was pretty close to working with those Atmel devices too ...
> > > most of the commands are identical.
> > 
> > Thanks for that hint, I'll have a look at the data sheet.

Any progress on that?  I looked again, and yes most commands
are identical.

 - That driver relies on an AT91-only SPI stack that's not
   going upstream, instead of drivers/spi/atmel_spi.c;

 - Driver can't even be selected on kernel.org kernel (!!);

 - The m25p80 driver will need at most minor tweaks to
   handle those AT26 (and AT25) series chips;

So 340ea370c2ce89d1c15fbf785460f2f74314ce58 should be reverted.

- Dave
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