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Re: [PATCH V2] MIPS: Octeon: Register EEPROM device on the I2C bus

To: Jean Delvare <khali@linux-fr.org>
Subject: Re: [PATCH V2] MIPS: Octeon: Register EEPROM device on the I2C bus
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 18 Mar 2010 18:00:30 +0100
Cc: Yang Shi <yang.shi@windriver.com>, ddaney@caviumnetworks.com, ben-linux@fluff.org, linux-mips@linux-mips.org, linux-i2c@vger.kernel.org
In-reply-to: <20100316200647.3803edf1@hyperion.delvare>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1268026190-18300-1-git-send-email-yang.shi@windriver.com> <20100316180946.GC20160@linux-mips.org> <20100316200647.3803edf1@hyperion.delvare>
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On Tue, Mar 16, 2010 at 08:06:47PM +0100, Jean Delvare wrote:

> The Linux kernel doesn't care, but user-space may. As a matter of fact,
> there is a script out there (decode-dimms, in the i2c-tools package)
> decoding the SPD data and presenting it to the user. Some people want
> to know the details about their memory modules.
> 
> > I also wonder how this will work for configurations with multiple memory
> > modules thus multiple SPD EEPROMS.
> 
> The kernel code should instantiate one spd device per memory module
> (assuming they are all reachable.) Obviously this can't be done in a
> static way.

SPD is virtually omnipresent these days so I wonder if maybe there already
is some probing functionality already available?

  Ralf

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