linux-kernel - Re: [PATCH v3 3/6] misc: fuse: Add efuse driver for Tegra

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Message-ID: <20140203141529.GF19389@tbergstrom-lnx.Nvidia.com>
Date:	Mon, 3 Feb 2014 16:15:29 +0200
From:	Peter De Schrijver <pdeschrijver@...dia.com>
To:	Jim Lin <jilin@...dia.com>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Landley <rob@...dley.net>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	"Grant Likely" <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	"Danny Huang" <dahuang@...dia.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 3/6] misc: fuse: Add efuse driver for Tegra

On Wed, Jan 29, 2014 at 03:26:18AM +0100, Jim Lin wrote:
> On Wed, 2014-01-29 at 07:36 +0800, Peter De Schrijver wrote:
> > Implement fuse driver for Tegra20, Tegra30, Tegra114 and Tegra124.
> > 
> > Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
> > ---
> >  Documentation/ABI/testing/sysfs-driver-tegra-fuse |    8 +
> >  drivers/misc/fuse/Makefile                        |    1 +
> >  drivers/misc/fuse/tegra/Makefile                  |    7 +
> >  drivers/misc/fuse/tegra/fuse-tegra.c              |  228 ++++++++++++++++
> >  drivers/misc/fuse/tegra/fuse-tegra20.c            |  136 ++++++++++
> >  drivers/misc/fuse/tegra/fuse-tegra30.c            |  178 +++++++++++++
> >  drivers/misc/fuse/tegra/fuse.h                    |   82 ++++++
> Could we move this fuse.h to other folder under /include/linux
> (like /include/linux/platform_data)
> for other driver to include?

I don't think we should expose everything in fuse.h to the world.

> So other driver can invoke function to read fuse data if needed.

Which functionality do you want? Just reading the fuse data exposed in
the sysfs file from a driver? exporting tegra_fuse_readl() should do
that I think?

Cheers,

Peter.
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