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| author |   Jonathan Cameron <jic23@cam.ac.uk> | 2011-10-05 15:28:05 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2011-10-05 13:47:48 -0700 |
| commit | f97beb535b14b07e89744c58d40d51646dceca75 (patch) | |
| tree | 2f3dd79e5353059f9ab87a5605688e73f2d30ed4 /drivers/staging/iio/resolver | |
| parent | staging:iio:resolver:ad2s1210 minimal chan spec conversion. (diff) | |
| download | linux-dev-f97beb535b14b07e89744c58d40d51646dceca75.tar.xz linux-dev-f97beb535b14b07e89744c58d40d51646dceca75.zip | |
staging:iio:resolver:ad2s1210 drop raw config register access
This should never have been exposed to userspace
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/resolver')
| -rw-r--r-- | drivers/staging/iio/resolver/ad2s1210.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 697db80df9c1..4f248de156e8 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -195,47 +195,6 @@ static inline int ad2s1210_soft_reset(struct ad2s1210_state *st) return ad2s1210_config_write(st, 0x0); } - -/* return the OLD DATA since last spi bus write */ -static ssize_t ad2s1210_show_raw(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_get_drvdata(dev)); - int ret = 0; - - mutex_lock(&st->lock); - if (st->old_data) { - ret = sprintf(buf, "0x%x\n", st->rx[0]); - st->old_data = false; - } - mutex_unlock(&st->lock); - - return ret; -} - -static ssize_t ad2s1210_store_raw(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_get_drvdata(dev)); - unsigned long udata; - unsigned char data; - int ret; - - ret = strict_strtoul(buf, 16, &udata); - if (ret) - return -EINVAL; - - data = udata & 0xff; - mutex_lock(&st->lock); - ret = ad2s1210_config_write(st, data); - mutex_unlock(&st->lock); - - return ret < 0 ? ret : len; -} - static ssize_t ad2s1210_store_softreset(struct device *dev, struct device_attribute *attr, const char *buf, @@ -580,8 +539,6 @@ error_ret: return ret; } -static IIO_DEVICE_ATTR(raw_io, S_IRUGO | S_IWUSR, - ad2s1210_show_raw, ad2s1210_store_raw, 0); static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, ad2s1210_store_softreset, 0); static IIO_DEVICE_ATTR(fclkin, S_IRUGO | S_IWUSR, @@ -631,7 +588,6 @@ static struct iio_chan_spec ad2s1210_channels[] = { }; static struct attribute *ad2s1210_attributes[] = { - &iio_dev_attr_raw_io.dev_attr.attr, &iio_dev_attr_reset.dev_attr.attr, &iio_dev_attr_fclkin.dev_attr.attr, &iio_dev_attr_fexcit.dev_attr.attr, |