From: Lars-Peter Clausen Date: Tue, 16 Jul 2013 15:08:00 +0000 (+0100) Subject: staging:iio:ad2s1210: Don't expose the chip reset to userspace X-Git-Tag: firefly_0821_release~176^2~5471^2~322^2~71 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;ds=sidebyside;h=be8309d69991956def20c86c3902ca46f9490e7b;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 0d3356d4b7d2..dcdadbbcf7e8 100644 --- 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,