linux-kernel - Re: [Patch V2 0/9] I2C ACPI operation region handler support

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Message-ID: <1481506.mZgg6LykyH@devpool02>
Date:	Fri, 23 May 2014 08:55:55 +0200
From:	Rolf Eike Beer <eb@...ix.com>
To:	Lan Tianyu <tianyu.lan@...el.com>
Cc:	wsa@...-dreams.de, rjw@...ysocki.net,
	mika.westerberg@...ux.intel.com, awilliam@...hat.com,
	lenb@...nel.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [Patch V2 0/9] I2C ACPI operation region handler support

Lan Tianyu wrote:
> On 05/20/2014 10:17 PM, Rolf Eike Beer wrote:

> > It may be that I have taken the wrong ACPI files. This is the result of a
> > fresh run of acpidump, together with the most recent dmesg.log, just in
> > case I messed it up.
> 
> 	I have check the log. I2C ACPI operation region targets to I2C controller
> which has one ACPI node in the ACPI table and is associated with one I2C
> adapter. Graphic with one ACPI handle registers several I2C adapters. This
> causes attach data to the ACPI handle with the same handler several time.
> The ACPICA function will return ALREADY EXIST error code and causes the log
> you mentioned. There is no I2C ACPI operation region under graphic device
> node and so not break function. To avoid these noise logs, I make them only
> appear under dynamic debug mode in the my V3 patchset.

Hi,

thanks for the clarification.

Greetings,

Eike
-- 
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11
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