linux-kernel - Re: [PATCH 0/7] New eFuse subsystem

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Message-ID: <20150225120234.GB5062@lukather>
Date:	Wed, 25 Feb 2015 13:02:34 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Ezequiel Garcia <ezequiel.garcia@...tec.com>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Bresticker <abrestic@...omium.org>,
	James Hartley <james.hartley@...tec.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] New eFuse subsystem

Hi Ezequiel,

On Wed, Feb 25, 2015 at 08:45:12AM -0300, Ezequiel Garcia wrote:
> This patchset introduces a new driver subsystem, meant to support eFuse
> (alias OTP, one-time-programmable) devices.
> 
> The motivation behind this work is to have a common place for drivers
> that are currently more or less scattered: the tegra efuses are in
> drivers/soc/ and the sunxi efuses in drivers/misc/eeprom.
> 
> For now, there's no proposal for a generic efuse API. Instead, we simply
> group the drivers together.
> 
> This patchset is the result of the initial submission for IMG Pistachio
> eFuse support [1]. Our first proposal was to follow the Tegra efuse, and
> put the Pistachio efuse in drivers/soc. After some discussion we finally
> agreed [2] to first create an efuse directoy, and then put all efuse drivers
> in it.
> 
> As always, all comments are welcome!
> 
> [1] http://www.spinics.net/lists/devicetree/msg59246.html
> [2] http://www.spinics.net/lists/arm-kernel/msg389325.html

Have you looked at the EEPROM framework currently in discussions? The
two seems to be covering pretty much the same use cases.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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