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Date:	Wed, 09 Jul 2014 22:42:25 +0200
From:	Tomasz Figa <tomasz.figa@...il.com>
To:	Stephen Boyd <sboyd@...eaurora.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
CC:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Stephen Warren <swarren@...dia.com>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Subject: Re: a case for a common efuse API?

Hi Stephen,

On 08.07.2014 22:00, Stephen Boyd wrote:
> Hi,
> 
> On MSM chips we have some efuses (called qfprom) where we store things
> like calibration data, speed bins, etc. We need to read out data from
> the efuses in various drivers like the cpufreq, thermal, etc. This
> essentially boils down to a bunch of readls on the efuse from a handful
> of different drivers.

We have similar thing on Exynos SoCs as well. If you're interested in
looking at our use cases, then there was an RFC series posted quite a
long time ago [1], but then things stalled.

[1] https://lkml.org/lkml/2013/11/15/155

Best regards,
Tomasz
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