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From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Moritz Fischer <moritz.fischer@ettus.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	linux-mtd@lists.infradead.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	moritz.fischer.private@gmail.com
Subject: Re: [PATCH] mtd: Adding of_mtd_info_get to get mtd_info from devicetree
Date: Mon, 16 May 2016 19:14:07 +0200	[thread overview]
Message-ID: <20160516191407.1dbb3028@bbrezillon> (raw)
In-Reply-To: <CAAtXAHcbjH0FzK=tuvwFSjUA7jJ4CT76NWQR31YR1UmXcAX9sQ@mail.gmail.com>

On Mon, 16 May 2016 09:30:10 -0700
Moritz Fischer <moritz.fischer@ettus.com> wrote:

> Hi Boris,
> 
> On Mon, May 16, 2016 at 1:05 AM, Boris Brezillon
> <boris.brezillon@free-electrons.com> wrote:
> 
> >> Here are a few questions (I'm assuming the netdev + MAC address case):
> >> - how would you link the net/PHY device to the MTD partition storing
> >>   the MAC address  
> 
> Well in my case I actually planned to use it with the OTP partition of my QSPI
> device using spi_nor_read_usr_prot_reg and friends and I just needed a way
> to get to the struct mtd_info from a child of my network device.
> 
> Right now the OTP 'partitions' are not really exposed to device tree afaik.
> Maybe that would be worthwhile to further look into? Maybe exposing
> (wrapping) that as nvmem
> would be the way to go?

I think so. Now that MTD partitions are defined in a 'partitions'
subnode (see MTD binding doc), we can define an 'otp-partitions'
subnode and define nvmem cells in there.


-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

      reply	other threads:[~2016-05-16 17:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-11 17:47 [PATCH] mtd: Adding of_mtd_info_get to get mtd_info from devicetree Moritz Fischer
2016-05-16  7:55 ` Boris Brezillon
2016-05-16  8:05   ` Boris Brezillon
2016-05-16 16:30     ` Moritz Fischer
2016-05-16 17:14       ` Boris Brezillon [this message]

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