linux-kernel - RE: [PATCH v2] i2c: tegra: Check for overflow errors with BUG

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Message-ID: <74CDBE0F657A3D45AFBB94109FB122FF04AEA252A8@HQMAIL01.nvidia.com>
Date:	Mon, 15 Aug 2011 19:26:30 -0700
From:	Stephen Warren <swarren@...dia.com>
To:	Doug Anderson <dianders@...omium.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Vincent Palatin <vpalatin@...omium.org>,
	Rhyland Klein <rklein@...dia.com>, Felipe Balbi <balbi@...com>
CC:	Jean Delvare <khali@...ux-fr.org>, Rakesh Iyer <riyer@...dia.com>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v2] i2c: tegra: Check for overflow errors with BUG_ON.

Doug Anderson wrote at Monday, August 15, 2011 7:32 PM:
> This change doesn't fix any known problems but turns
> on the overflow detection feature of the i2c controller
> in the hopes of flushing out any current (or future)
> bugs in the i2c driver.
> 
> Inspired by a change on nvidia's git server:
>   http://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=commit;h=266d1b7397284505e55d06254b497cb32be07b69
> 
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> ---
> This takes Felipe Balbi's suggestion of making the overflow
> error non-fatal.

This seems like a reasonable debug aid/validation check to me;
Acked-by: Stephen Warren <swarren@...dia.com>

-- 
nvpublic

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