linux-kernel - Re: [PATCH] i2c: omap: fix i207 errata handling

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Message-Id: <ED68D587-66C0-427A-85D5-D213DC136ECD@gmail.com>
Date:	Sat, 22 Nov 2014 02:16:53 +0300
From:	Alexander Kochetkov <al.kochet@...il.com>
To:	linux-omap@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Alexander Kochetkov <al.kochet@...il.com>
Cc:	Wolfram Sang <wsa@...-dreams.de>, Tony Lindgren <tony@...mide.com>,
	Felipe Balbi <balbi@...com>,
	Aaro Koskinen <aaro.koskinen@....fi>
Subject: Re: [PATCH] i2c: omap: fix i207 errata handling


21 нояб. 2014 г., в 3:29, Alexander Kochetkov <al.kochet@...il.com> написал(а):

>> 
>> Found by code review. Real impact haven't seen.
>> Tested on Beagleboard XM C.
> 
> Does anybody know the "certain rare conditions" when RDR errata appears?
> I tested without luck (Beagleboard XM C).

Spent half a day trying to catch the errata without luck.
Tried to simulate noise on the bus in hope it may happen.
Tried to run with OMAP_I2C_FLAG_NO_FIFO flag.

What a mystery errata. Hiding.

Anyway, thanks!
Have a nice weekend!

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