linux-kernel - Re: [PATCH 2/4] tps65912: gpio: add gpio driver

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Message-ID: <20110510203933.GC8726@opensource.wolfsonmicro.com>
Date:	Tue, 10 May 2011 22:39:33 +0200
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Margarita Olaya <magi@...mlogic.co.uk>
Cc:	linux-kernel@...r.kernel.org, Liam Girdwood <lrg@...mlogic.co.uk>,
	grant.likely@...retlab.ca
Subject: Re: [PATCH 2/4] tps65912: gpio: add gpio driver

On Tue, May 10, 2011 at 03:25:35PM -0500, Margarita Olaya wrote:

>  drivers/mfd/Makefile         |    2 +-
>  drivers/mfd/tps65912-gpio.c  |   94 ++++++++++++++++++++++++++++++++++++++++++

We're mostly moving GPIO drivers to drivers/gpio these days - there's a
push to move drivers into the appropriate subsystems (particularly
focused on arch/arm but still).

> +static void tps6591x_gpio_set(struct gpio_chip *gc, unsigned offset,
> +			      int value)
> +{
> +	struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
> +
> +	if (value)
> +		tps65912_set_bits(tps65912, TPS65912_GPIO1 + offset,
> +							GPIO_SET_MASK);
> +	else
> +		tps65912_set_bits(tps65912, TPS65912_GPIO1 + offset,
> +							~GPIO_SET_MASK);

Should one of those be clear_bits() given that there's such a function?

> +	tps65912->gpio.owner		= THIS_MODULE;
> +	/* FIXME: should we use compilation macro for SPI */
> +	tps65912->gpio.label		= tps65912->i2c_client->name;

I guess dev_name() would do a reasonable job?
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