Hello,

It seems that some drivers in drivers/misc/eeprom does support write access. For example at24.c seems to have a function at24_write().

https://github.com/torvalds/linux/blob/master/drivers/misc/eeprom/at24.c

However some drivers doesn’t have write support, I believe it is because of simplicity - some eeprom are used for read only, such as ddr4 spd eeprom.

Point me out if I am wrong. 

Chriz

Enviado desde mi iPhone

El 19 nov 2018, a las 9:12 p. m., Ruben Safir <ruben@mrbrklyn.com> escribió:

On 11/19/18 7:08 AM, Ranran wrote:
Hello,

What is the reason that kernel driver of eeprom is configured only as
read-only ?

Is it because the BIOS is stored there ?

Is there a way to make it writable ?

Thank you,
Ran

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because the ROM is read only?


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