staging:iio:ad7291: Remove userspace reset

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

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index a3a3a2f2758426ab3846f8d4e8fc41407eefa88a..782e100360c72a2bc5d0aa7ce2c051bde80e5521 100644 (file)
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -127,29 +127,6 @@ static int ad7291_i2c_write(struct ad7291_chip_info *chip, u8 reg, u16 data)
        return i2c_smbus_write_word_data(chip->client, reg, swab16(data));
 }
 
-static ssize_t ad7291_store_reset(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *indio_dev = dev_to_iio_dev(dev);
-       struct ad7291_chip_info *chip = iio_priv(indio_dev);
-
-       return ad7291_i2c_write(chip, AD7291_COMMAND,
-                               chip->command | AD7291_RESET);
-}
-
-static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, ad7291_store_reset, 0);
-
-static struct attribute *ad7291_attributes[] = {
-       &iio_dev_attr_reset.dev_attr.attr,
-       NULL,
-};
-
-static const struct attribute_group ad7291_attribute_group = {
-       .attrs = ad7291_attributes,
-};
-
 static irqreturn_t ad7291_event_handler(int irq, void *private)
 {
        struct iio_dev *indio_dev = private;
@@ -569,7 +546,6 @@ static struct attribute_group ad7291_event_attribute_group = {
 };
 
 static const struct iio_info ad7291_info = {
-       .attrs = &ad7291_attribute_group,
        .read_raw = &ad7291_read_raw,
        .read_event_config = &ad7291_read_event_config,
        .write_event_config = &ad7291_write_event_config,