Re: [PATCH] MIPS: Octeon: Register EEPROM device on the I2C bus

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Hi Michael,

On Fri, 05 Mar 2010 12:17:14 +0100, Michael Lawnick wrote:
> Jean Delvare said the following:
> > Well, what EEPROM type do you have exactly? 24c64 is for 64 kbit (8
> > kByte) EEPROMs using 16-bit addressing. You must use the correct type,
> > otherwise the at24 driver will misbehave. I am a little surprised
> > because originally you went for "eeprom" which is not compatible with
> > "24c64" (8-bit vs. 16-bit addressing).
>
> Furthermore this brings up another issue:
> 0x50 typically is SPD-eeprom (DDR initialisation). Corrupting the
> contents might make your board unbootable - and using a 16bit driver
> instead of an 8-bit one can corrupt your contents already on
> (positioned) reading!

This is totally correct, but better said loud to the list and the
original poster than only privately to me ;)

-- 
Jean Delvare
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