linux-kernel - Re: [PATCH 6/8] power: Add support for DA9150 Charger

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Date:	Mon, 16 Jun 2014 14:27:49 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Adam Thomson <Adam.Thomson.Opensource@...semi.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.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>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, support.opensource@...semi.com
Subject: Re: [PATCH 6/8] power: Add support for DA9150 Charger

On Wed, 11 Jun 2014, Adam Thomson wrote:

> This patch adds support for DA9150 Charger & Fuel-Guage IC Charger.
> 
> Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
> ---
>  drivers/power/Kconfig              |  23 ++
>  drivers/power/Makefile             |   1 +
>  drivers/power/da9150-charger.c     | 790 +++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/da9150/charger.h |  58 +++
>  4 files changed, 872 insertions(+)
>  create mode 100644 drivers/power/da9150-charger.c
>  create mode 100644 include/linux/mfd/da9150/charger.h

[...]

> diff --git a/include/linux/mfd/da9150/charger.h b/include/linux/mfd/da9150/charger.h
> new file mode 100644
> index 0000000..73c41b3
> --- /dev/null
> +++ b/include/linux/mfd/da9150/charger.h
> @@ -0,0 +1,58 @@
> +/*
> + * DA9150 MFD Driver - Charger Data
> + *
> + * Copyright (c) 2014 Dialog Semiconductor
> + *
> + * Author: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
> + *
> + * This program is free software; you can redistribute  it and/or modify it
> + * under  the terms of  the GNU General  Public License as published by the
> + * Free Software Foundation;  either version 2 of the  License, or (at your
> + * option) any later version.
> + */
> +
> +#ifndef _DA9150_CHARGER_H
> +#define _DA9150_CHARGER_H

Two '_'s are normally preferred.

> +#include <linux/device.h>
> +#include <linux/i2c.h>

What are you using this for?

> +#include <linux/power_supply.h>
> +#include <linux/notifier.h>
> +#include <linux/usb/otg.h>
> +#include <linux/timer.h>
> +#include <linux/iio/consumer.h>
> +
> +#include <linux/mfd/da9150/core.h>
> +
> +

Extra '\n' here.

> +struct da9150_charger_attr_map {
> +	struct device_attribute attr;
> +	u16 reg;
> +	u8 shift;
> +	u8 mask;
> +};
> +
> +/* Private data */
> +struct da9150_charger {
> +	struct da9150 *da9150;
> +	struct device *dev;
> +
> +	struct power_supply ac;
> +	struct power_supply usb;
> +	struct power_supply battery;

Do you want these (or pointers to these) here?

How much space do they take up?

> +	struct power_supply *supply_online;
> +
> +	struct usb_phy *usb_phy;
> +	struct notifier_block otg_nb;
> +	struct work_struct otg_work;
> +	unsigned long usb_event;
> +
> +	struct iio_channel *ibus_chan;
> +	struct iio_channel *vbus_chan;
> +	struct iio_channel *tjunc_chan;
> +	struct iio_channel *vbat_chan;
> +
> +	bool invalid_tbat;
> +};
> +
> +#endif /* _DA9150_CHARGER_H */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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