Commit be8309d6 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

staging:iio:ad2s1210: Don't expose the chip reset to userspace 



There is no reason why userspace should want to trigger a manual reset of the
device, so remove this functionality.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 98a5e9e9

drivers/staging/iio/resolver/ad2s1210.c

+0 −18
Original line number Diff line number Diff line
@@ -192,21 +192,6 @@ static inline int ad2s1210_soft_reset(struct ad2s1210_state *st) 
	return ad2s1210_config_write(st, 0x0);

}



static ssize_t ad2s1210_store_softreset(struct device *dev,

					struct device_attribute *attr,

					const char *buf,

					size_t len)

{

	struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));

	int ret;



	mutex_lock(&st->lock);

	ret = ad2s1210_soft_reset(st);

	mutex_unlock(&st->lock);



	return ret < 0 ? ret : len;

}



static ssize_t ad2s1210_show_fclkin(struct device *dev,

				    struct device_attribute *attr,

				    char *buf)
@@ -536,8 +521,6 @@ static int ad2s1210_read_raw(struct iio_dev *indio_dev, 
	return ret;

}



static IIO_DEVICE_ATTR(reset, S_IWUSR,

		       NULL, ad2s1210_store_softreset, 0);

static IIO_DEVICE_ATTR(fclkin, S_IRUGO | S_IWUSR,

		       ad2s1210_show_fclkin, ad2s1210_store_fclkin, 0);

static IIO_DEVICE_ATTR(fexcit, S_IRUGO | S_IWUSR,
@@ -587,7 +570,6 @@ static const struct iio_chan_spec ad2s1210_channels[] = { 
};



static struct attribute *ad2s1210_attributes[] = {

	&iio_dev_attr_reset.dev_attr.attr,

	&iio_dev_attr_fclkin.dev_attr.attr,

	&iio_dev_attr_fexcit.dev_attr.attr,

	&iio_dev_attr_control.dev_attr.attr,