linux-kernel - Re: [PATCH v4 2/2] iio: (bma400) add driver for the BMA400

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Date:   Sat, 19 Oct 2019 01:35:26 +0000
From:   Dan Robertson <dan@...obertson.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        devicetree@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/2] iio: (bma400) add driver for the BMA400

On Thu, Oct 17, 2019 at 09:25:37PM -0700, Randy Dunlap wrote:
> On 10/17/19 8:18 PM, Dan Robertson wrote:
> > +config BMA400
> > +	tristate "Bosch BMA400 3-Axis Accelerometer Driver"
> > +	depends on I2C
> > +	select REGMAP
> > +	select BMA400_I2C if (I2C)
> 
> Since BMA400 already depends on I2C, the "if (I2C)" above is
> redundant so it's not needed.

You are correct. I'll remove the depends on I2C.

> > +struct bma400_data {
> > +	struct device *dev;
> > +	struct mutex mutex; /* data register lock */
> 
> needs #include <linux/mutex.h>

Good point.

> > +static int bma400_get_accel_scale_idx(struct bma400_data *data, int val)
> > +{
> > +	int i;
> > +
> > +	for (i = 1; i < ARRAY_SIZE(bma400_scale_table); i += 2) {
> 
> needs #include <linux/kernel.h>
> for ARRAY_SIZE()

Thanks

Cheers,

 - Dan

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