From f97beb535b14b07e89744c58d40d51646dceca75 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Wed, 5 Oct 2011 15:28:05 +0100 Subject: [PATCH] staging:iio:resolver:ad2s1210 drop raw config register access This should never have been exposed to userspace Signed-off-by: Jonathan Cameron Acked-by: Michael Hennerich Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/resolver/ad2s1210.c | 44 ------------------------- 1 file changed, 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, -- 2.34.1