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 for linux-mtd@lists.infradead.org; Fri, 22 Apr 2016 18:20:46 +0000
Subject: Re: Pass -EUCLEN to userspace?
To: Boris Brezillon <boris.brezillon@free-electrons.com>
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Cc: Sascha Hauer <s.hauer@pengutronix.de>, linux-mtd@lists.infradead.org,
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From: Richard Weinberger <richard@nod.at>
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Date: Fri, 22 Apr 2016 20:20:20 +0200
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Am 22.04.2016 um 18:11 schrieb Boris Brezillon:
>> Sasha, what exactly is your use case and why is the UBI approach not sufficient for you?
>> On Linux MTD access should only happen through UBI and UBOOT/SPL partitions stay untouched.
> 
> Fair enough. So all we'll need is a way to retrieve the maximum number
> of bitflips for a given block, so that the userspace deamon can
> periodically read the SPL and bootloader blocks and decide to scrub
> those blocks if the number of bitflips exceed the threshold.

How can we scrub non-UBI blocks in a power cut safe way?
Unless we have a backup SPL/booloader.

Thanks,
//richard