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From: ladis@linux-mips.org (Ladislav Michl)
To: linux-arm-kernel@lists.infradead.org
Subject: [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 at 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

  parent reply	other threads:[~2017-01-06 17:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-05 14:50 [PATCH 0/6] ARM: dts: phyBOARD-WEGA-AM335x updates Teresa Remmet
2017-01-05 14:50 ` [PATCH 1/6] ARM: dts: am335x-phycore-som: Update NAND partition table Teresa Remmet
2017-01-05 15:36   ` Tony Lindgren
2017-01-05 17:18     ` Tony Lindgren
2017-01-05 17:56       ` 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]
2017-01-05 14:50 ` [PATCH 2/6] ARM: dts: am335x-phycore-som: Update compatible string for spi nor Teresa Remmet
2017-01-05 14:50 ` [PATCH 3/6] ARM: dts: am335x-phycore-som: Add i2c temp sensor Teresa Remmet
2017-01-05 14:50 ` [PATCH 4/6] ARM: dts: am335x-wega: Set USB0 mode to otg Teresa Remmet
2017-01-05 14:50 ` [PATCH 5/6] ARM: dts: am335x-phycore-som: Update ethernet phy node Teresa Remmet
2017-01-05 14:50 ` [PATCH 6/6] ARM: dts: am335x-wega: " Teresa Remmet

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