linux-kernel - Re: [PATCHv4 1/1] thermal: of: improve of-thermal sensor registration API

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Date:	Wed, 19 Nov 2014 17:06:24 +0900
From:	Alexandre Courbot <gnurou@...il.com>
To:	Eduardo Valentin <edubezval@...il.com>
Cc:	Linux PM <linux-pm@...r.kernel.org>,
	Caesar Wang <caesar.wang@...k-chips.com>,
	Wei Ni <wni@...dia.com>,
	Lukasz Majewski <l.majewski@...sung.com>,
	Mikko Perttunen <mikko.perttunen@...si.fi>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Jean Delvare <jdelvare@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	lm-sensors@...sensors.org, Rob Herring <robh+dt@...nel.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Zhang Rui <rui.zhang@...el.com>
Subject: Re: [PATCHv4 1/1] thermal: of: improve of-thermal sensor registration API

On Tue, Nov 18, 2014 at 11:39 PM, Eduardo Valentin <edubezval@...il.com> wrote:
> Different drivers request API extensions in of-thermal. For this reason,
> additional callbacks are required to fit the new drivers needs.
>
> The current API implementation expects the registering sensor driver
> to provide a get_temp and get_trend callbacks as function parameters.
> As the amount of callbacks is growing, this patch changes the existing
> implementation to use a .ops field to hold all the of thermal callbacks
> to sensor drivers.
>
> This patch also changes the existing of-thermal users to fit the new
> API design. No functional change is introduced in this patch.

A good idea even if no ops were to be added!

Reviewed-by: Alexandre Courbot <acourbot@...dia.com>
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