From: Timur Tabi <timur@freescale.com>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>, Linuxppc-dev@ozlabs.org
Subject: Re: [RFC] I2C: fsl-i2c: make device probing configurable via FDT
Date: Wed, 16 Jul 2008 10:01:23 -0500 [thread overview]
Message-ID: <487E0D43.9080602@freescale.com> (raw)
In-Reply-To: <9e4733910807160742t7037c098k67dcbbadbac992fc@mail.gmail.com>
Jon Smirl wrote:
> Probing an i2c bus does not necessarily come to a good conclusion. The
> probes for some chips can alter the states in others. People have
> accidentally changed voltage settings and fried CPU chips. The process
> is not well defined.
I agree. We should not be implementing any feature that encourages I2C bus
probing.
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2008-07-16 15:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-16 10:47 [RFC] I2C: fsl-i2c: make device probing configurable via FDT Wolfgang Grandegger
2008-07-16 12:05 ` Jean Delvare
2008-07-16 13:03 ` Wolfgang Grandegger
2008-07-16 12:47 ` Jon Smirl
2008-07-16 13:09 ` Wolfgang Grandegger
2008-07-16 14:11 ` Jon Smirl
2008-07-16 14:24 ` Jon Smirl
2008-07-16 14:30 ` Grant Likely
2008-07-16 14:42 ` Jon Smirl
2008-07-16 15:01 ` Timur Tabi [this message]
2008-07-16 14:24 ` Grant Likely
2008-07-16 14:48 ` Jochen Friedrich
2008-07-16 20:20 ` Wolfgang Grandegger
2008-07-17 10:20 ` Is there relationship between address translation enabled and PLB timeout error? Evangelion
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