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Message-ID: <20150809151916.GF14271@lunn.ch>
Date: Sun, 9 Aug 2015 17:19:16 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
stefan.wahren@...e.com, devicetree@...r.kernel.org, arnd@...db.de,
khilman@...nel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
s.hauer@...gutronix.de, sboyd@...eaurora.org,
linux-kernel@...r.kernel.org, mporter@...sulko.com,
pantelis.antoniou@...sulko.com, Rob Herring <robh+dt@...nel.org>,
Mark Brown <broonie@...nel.org>, linux-api@...r.kernel.org,
linux-arm-msm@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, wxt@...k-chips.com
Subject: Re: [PATCH v9 0/9] Add simple NVMEM Framework via regmap.
Hi Srinivas
The AT24 eeprom driver contains the comment:
/*
* Export the EEPROM bytes through sysfs, since that's convenient.
* By default, only root should see the data (maybe passwords etc)
*/
and as you would expect from this:
# ls -l ./devices/platform/soc/soc:aips-bus@...00000/40066000.i2c/i2c-0/0-0050/eeprom
-rw------- 1 root root 512 Aug 9 10:16 ./devices/platform/soc/soc:aips-bus@...00000/40066000.i2c/i2c-0/0-0050/eeprom
The AT25 and the MAX6875 driver are the same.
However nvmem has different defaults:
# ls -l ./devices/platform/soc/soc:aips-bus@...00000/40066000.i2c/i2c-0/0-0050/0-00500/nvmem
-rw-r--r-- 1 root root 0 Aug 9 10:16 ./devices/platform/soc/soc:aips-bus@...00000/40066000.i2c/i2c-0/0-0050/0-00500/nvmem
Has this been considered and discussed?
Thanks
Andrew
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