linux-kernel - Re: [RFC PATCH 1/2] picoxcell-otp: add support for picoxcell OTP devices

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Message-ID: <alpine.LFD.2.00.1104030013070.5929@localhost6.localdomain6>
Date:	Sun, 3 Apr 2011 00:15:05 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Greg KH <gregkh@...e.de>
cc:	Jamie Iles <jamie@...ieiles.com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [RFC PATCH 1/2] picoxcell-otp: add support for picoxcell OTP
 devices

On Wed, 23 Mar 2011, Greg KH wrote:

> On Wed, Mar 23, 2011 at 12:16:58PM +0000, Jamie Iles wrote:
> > picoxcell devices contain a block of OTP memory that can be used for
> > storing first-stage bootloaders, cryptographic keys and other data to be
> > kept onchip.  Different devices support a number of redundancy formats
> > to cope with in-field programming errors and can be partitioned into
> > regions to allow different redundancy formats with different effective
> > sizes.
> > 
> > This patch implements an OTP device layer which different devices may
> > register their OTP regions with.
> 
> Great, but why put it in drivers/char/?  Why not drivers/otp/?

Why not drivers/mtd ? It's one time programmable memory technology
device if I'm not missing something.

Thanks,

	tglx
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