kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

Browse source 
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>
This commit is contained in:
Lars-Peter Clausen 2013-07-16 16:08:00 +01:00 committed by Jonathan Cameron
parent 98a5e9e99d
commit be8309d699
1 changed files with 0 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/staging/iio/resolver/ad2s1210.c
View file

@ -192,21 +192,6 @@ static inline int ad2s1210_soft_reset(struct ad2s1210_state *st)
return ad2s1210_config_write(st, 0x0); 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, static ssize_t ad2s1210_show_fclkin(struct device *dev,
struct device_attribute *attr, struct device_attribute *attr,
char *buf) char *buf)
@ -536,8 +521,6 @@ error_ret:
return ret; return ret;
} }
static IIO_DEVICE_ATTR(reset, S_IWUSR,
NULL, ad2s1210_store_softreset, 0);
static IIO_DEVICE_ATTR(fclkin, S_IRUGO | S_IWUSR, static IIO_DEVICE_ATTR(fclkin, S_IRUGO | S_IWUSR,
ad2s1210_show_fclkin, ad2s1210_store_fclkin, 0); ad2s1210_show_fclkin, ad2s1210_store_fclkin, 0);
static IIO_DEVICE_ATTR(fexcit, S_IRUGO | S_IWUSR, 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[] = { static struct attribute *ad2s1210_attributes[] = {
&iio_dev_attr_reset.dev_attr.attr,
&iio_dev_attr_fclkin.dev_attr.attr, &iio_dev_attr_fclkin.dev_attr.attr,
&iio_dev_attr_fexcit.dev_attr.attr, &iio_dev_attr_fexcit.dev_attr.attr,
&iio_dev_attr_control.dev_attr.attr, &iio_dev_attr_control.dev_attr.attr,