linux-kernel - Re: [RESEND PATCH v3 3/6] charger: max14577: Configure battery-dependent settings from DTS and sysfs

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Date:	Wed, 27 Aug 2014 14:50:27 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	linux-pm@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Jenny Tc <jenny.tc@...el.com>
Subject: Re: [RESEND PATCH v3 3/6] charger: max14577: Configure
 battery-dependent settings from DTS and sysfs

On Wed, 27 Aug 2014, Krzysztof Kozlowski wrote:

> Remove hard-coded values for:
>  - Fast Charge current,
>  - End Of Charge current,
>  - Fast Charge timer,
>  - Overvoltage Protection Threshold,
>  - Battery Constant Voltage,
> and use DTS or sysfs to configure them. This allows using the max14577 charger
> driver with different batteries.
> 
> Now the charger driver requires valid configuration data from DTS. In
> case of wrong configuration data it fails during probe. Patch adds
> of_compatible to the charger mfd cell in MFD driver core.
> 
> The fast charge timer is configured through sysfs entry.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Cc: Kyungmin Park <kyungmin.park@...sung.com>
> Cc: Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
> Cc: David Woodhouse <dwmw2@...radead.org>
> Cc: Jenny Tc <jenny.tc@...el.com>
> Cc: Mark Rutland <mark.rutland@....com>
> Acked-by: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/mfd/max14577.c               |   5 +-

Hmm... not sure why I Acked this.  The code looks okay, but can you
break out the MFD changed into a separate patch please?  You can add
my Ack to the broken out patch though.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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