linux-kernel - Re: [PATCH 1/3] mfd: tps6586x: add version detection

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Message-ID: <c26ecd550e9940ead950f3874d27a5b0@agner.ch>
Date:	Wed, 27 Nov 2013 16:26:12 +0100
From:	Stefan Agner <stefan@...er.ch>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	swarren@...dotorg.org, thierry.reding@...il.com,
	sameo@...ux.intel.com, dev@...xeye.de, mark.rutland@....com,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] mfd: tps6586x: add version detection

Am 2013-11-27 15:36, schrieb Lee Jones:
<snip>
>> Perhaps I should suggest to make TPS6586X_ANY a positive number then,
>> as a negative value to me indicates more of an error than a generic
>> parameter.
I see, its especially confusing since the version is filled using the
i2c_smbus_read_byte_data functions return value. The version field is a
8-Bit value according to the data sheet, I could use 0x100 as
TPS6586X_ANY identifier.
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