Add size property of EEPROM device

[he.huang]

Hi Brad,
Yes, eeprom driver could help the requirement partially.
As Ed's comments on the patch, we still need the size in the upper level such as IPMI command handler, to differentiate the error between writing failed and writing out of the range, and return the correct complete code.
Thanks.

2020-11-26 

Helen.huang 



发件人：Brad Bishop <bradleyb at fuzziesquirrel.com>
发送时间：2020-11-25 23:36
主题：Re: Add size property of EEPROM device
收件人："he.huang"<he.huang at linux.intel.com>,"ed"<ed at tanous.net>,"jae.hyun.yoo"<jae.hyun.yoo at linux.intel.com>,"vernon.mauery"<vernon.mauery at linux.intel.com>,"openbmc"<openbmc at lists.ozlabs.org>
抄送：

On Tue, 2020-11-24 at 15:31 +0800, he.huang wrote: 
> The requirement comes from: 
> When we write to the EEPROM we need the size to ensure that we won't 
> write out of the range and return the correct complete code. 

Don't the eeprom drivers prevent this? 
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