From: Ladislav Michl <ladis@linux-mips.org>
To: Brian Norris <briannorris@chromium.org>
Cc: "Tony Lindgren" <tony@atomide.com>,
"Teresa Remmet" <t.remmet@phytec.de>,
linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
"Benoît Cousson" <bcousson@baylibre.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Adam Ford" <aford173@gmail.com>,
linux-mtd@lists.infradead.org,
"Brian Norris" <computersforpeace@gmail.com>
Subject: Re: [PATCH 1/6] ARM: dts: am335x-phycore-som: Update NAND partition table
Date: Fri, 6 Jan 2017 18:39:44 +0100 [thread overview]
Message-ID: <20170106173944.t3jq7amga3j5ahe6@lenoch> (raw)
In-Reply-To: <20170105175619.GA56877@google.com>
On Thu, Jan 05, 2017 at 09:56:20AM -0800, Brian Norris wrote:
[snip]
> The best solution would be to try to migrate away from static device
> tree representations of partition info entirely. UBI volumes are best
> where possible. If not, then some other kind of on-flash data structures
> (along the lines of a GPT) with a corresponding MTD partition parser is
> an OK alternative. Unfortunately, there isn't any good standard format
> for this on MTD, so it's typically all custom -- and so people use the
> easiest approach: device tree. And it's even more difficult with NAND,
> which has reliability problems, especially with static data (e.g., read
> disturb).
Just as a side note, there is some work in this area:
https://www.mail-archive.com/u-boot@lists.denx.de/msg232759.html
> Anyway, the parser solution is helpful only if one can properly fix the
> "flag day" first. And it requires a little bit more work to be generally
> useful; I posted some work for this over a year ago, but bikeshedding
> brought it down.
Best regards,
ladis
prev parent reply other threads:[~2017-01-06 17:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1483627851-17996-1-git-send-email-t.remmet@phytec.de>
[not found] ` <1483627851-17996-2-git-send-email-t.remmet@phytec.de>
[not found] ` <20170105153637.GA4310@atomide.com>
[not found] ` <20170105171845.GK4310@atomide.com>
2017-01-05 17:56 ` [PATCH 1/6] ARM: dts: am335x-phycore-som: Update NAND partition table Brian Norris
2017-01-06 9:27 ` Teresa Remmet
2017-01-06 16:02 ` Tony Lindgren
2017-01-06 16:05 ` Adam Ford
2017-01-06 16:14 ` Tony Lindgren
2017-01-06 18:20 ` Brian Norris
2017-01-06 18:43 ` Tony Lindgren
2017-01-06 17:39 ` Ladislav Michl [this message]
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