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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Hubert Feurstein <h.feurstein@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] eeprom/at25: add erase support
Date: Tue, 22 Nov 2011 11:45:13 +0100	[thread overview]
Message-ID: <20111122104513.GI27267@pengutronix.de> (raw)
In-Reply-To: <CAFfN3gU23rF4f1-JOxTHeLzxMrKBupamNYRQvCAAFdjiGEOdew@mail.gmail.com>

On Tue, Nov 22, 2011 at 10:58:56AM +0100, Hubert Feurstein wrote:
> 2011/11/22 Sascha Hauer <s.hauer@pengutronix.de>:
> > On Mon, Nov 21, 2011 at 02:31:31PM +0100, Hubert Feurstein wrote:
> >> Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
> >> ---
> >>  drivers/eeprom/at25.c |   15 +++++++++++++++
> >>  1 files changed, 15 insertions(+), 0 deletions(-)
> >
> > Do we need this? We normally only have erase functions for devices that
> > need it, namely flashes.
> >
> In my case I use the eeprom (or fram) to store the environment. So
> with this I can erase the env-partition simply by calling 'erase
> /dev/env0'.
> So it's more like a convenience function. Or is there a other
> possibility to easily erase a partition completely? The memset-command
> is not really suitable because I have to pass the size as an argument.

How about cp /dev/zero /dev/env0?

Sascha


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  reply	other threads:[~2011-11-22 10:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-21 13:31 Hubert Feurstein
2011-11-22  9:19 ` Sascha Hauer
2011-11-22  9:58   ` Hubert Feurstein
2011-11-22 10:45     ` Sascha Hauer [this message]
2011-11-24 13:02       ` Hubert Feurstein

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