linux-kernel - Re: [PATCH v9 5/5] nvmem: eeprom: add documentation of sysfs fram and sernum file

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Message-ID: <8ff601c4-776b-3973-2855-eb2013e72200@aksignal.cz>
Date:   Fri, 11 Jun 2021 11:01:57 +0200
From:   Jiří Prchal <jiri.prchal@...ignal.cz>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Christian Eggers <ceggers@...i.de>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v9 5/5] nvmem: eeprom: add documentation of sysfs fram and
 sernum file



On 11. 06. 21 10:53, Greg Kroah-Hartman wrote:
> On Fri, Jun 11, 2021 at 07:26:52AM +0200, Jiri Prchal wrote:
>> +Description:
>> +	Contains the FRAM binary data. Same as EEPROM, just another file
>> +	name to indicate that it employs ferroelectric process.
>> +	It performs write operations at bus speed - no write delays, capable
>> +	of 10^14 read/write cycles and 151 years data retention.
> 
> Are you sure of these statistics?  Don't promise something here that
> might not be true, this is not a marketing document :)

Just copied from datasheet. Is write at bus speed OK? And about others: 
much more then EEPROM would be OK? Or don't write about it?