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

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 0d3356d4b7d2ea9db775e85ec0e9bbd1273cbe31..dcdadbbcf7e864978fbd119721f1cf058ba69234 100644 (file)
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -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 @@ error_ret:
        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,