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From: Sascha Hauer <s.hauer@pengutronix.de>
To: matthias.schiffer@ew.tq-group.com
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] environment: do not attempt to erase devices with MTD_NO_ERASE
Date: Wed, 21 Nov 2018 08:56:49 +0100	[thread overview]
Message-ID: <20181121075649.uheexugggfy6rp6n@pengutronix.de> (raw)
In-Reply-To: <20181120094035.18252-2-matthias.schiffer@ew.tq-group.com>

Hi Matthias,

On Tue, Nov 20, 2018 at 10:40:34AM +0100, matthias.schiffer@ew.tq-group.com wrote:
> From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
> 
> Devices like MRAM do not need to be erased; in fact, trying to do a partial
> erase will fail with -EINVAL, as they don't have a proper erase block size
> defined.

Where does this -EINVAL come from? Wouldn't it be an option to check for
the MTD_NO_ERASE flag mtd_op_erase() and return -EOPNOTSUPP there?

Sascha

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  reply	other threads:[~2018-11-21  7:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-20  9:40 [PATCH] clk: fix NULL deref without OF node in debug message matthias.schiffer
2018-11-20  9:40 ` [PATCH] environment: do not attempt to erase devices with MTD_NO_ERASE matthias.schiffer
2018-11-21  7:56   ` Sascha Hauer [this message]
2018-11-22 10:19     ` Matthias Schiffer
2018-11-23  8:05       ` Sascha Hauer
2018-11-23 14:50         ` [PATCH v2] mtd: return EOPNOTSUPP when attempting to erase an MTD_NO_ERASE device Matthias Schiffer
2018-11-26  7:46           ` Sascha Hauer
2018-11-20  9:40 ` [PATCH] FIT: look for hash-1 as well as hash@1 nodes in signature check matthias.schiffer
2018-11-21  8:01   ` Sascha Hauer
2018-11-22 10:41     ` [PATCH v2] FIT: support hash-1/signature-1 " Matthias Schiffer
2018-11-23  8:07 ` [PATCH] clk: fix NULL deref without OF node in debug message Sascha Hauer

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