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path: root/drivers/net/wireless/b43/sysfs.c
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Diffstat (limited to 'drivers/net/wireless/b43/sysfs.c')
-rw-r--r--drivers/net/wireless/b43/sysfs.c89
1 files changed, 1 insertions, 88 deletions
diff --git a/drivers/net/wireless/b43/sysfs.c b/drivers/net/wireless/b43/sysfs.c
index f4faff6a7d6c..275095b8cbe7 100644
--- a/drivers/net/wireless/b43/sysfs.c
+++ b/drivers/net/wireless/b43/sysfs.c
@@ -47,29 +47,6 @@ static int get_integer(const char *buf, size_t count)
return ret;
}
-static int get_boolean(const char *buf, size_t count)
-{
- if (count != 0) {
- if (buf[0] == '1')
- return 1;
- if (buf[0] == '0')
- return 0;
- if (count >= 4 && memcmp(buf, "true", 4) == 0)
- return 1;
- if (count >= 5 && memcmp(buf, "false", 5) == 0)
- return 0;
- if (count >= 3 && memcmp(buf, "yes", 3) == 0)
- return 1;
- if (count >= 2 && memcmp(buf, "no", 2) == 0)
- return 0;
- if (count >= 2 && memcmp(buf, "on", 2) == 0)
- return 1;
- if (count >= 3 && memcmp(buf, "off", 3) == 0)
- return 0;
- }
- return -EINVAL;
-}
-
static ssize_t b43_attr_interfmode_show(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -155,82 +132,18 @@ static ssize_t b43_attr_interfmode_store(struct device *dev,
static DEVICE_ATTR(interference, 0644,
b43_attr_interfmode_show, b43_attr_interfmode_store);
-static ssize_t b43_attr_preamble_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct b43_wldev *wldev = dev_to_b43_wldev(dev);
- ssize_t count;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- mutex_lock(&wldev->wl->mutex);
-
- if (wldev->short_preamble)
- count =
- snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n");
- else
- count =
- snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n");
-
- mutex_unlock(&wldev->wl->mutex);
-
- return count;
-}
-
-static ssize_t b43_attr_preamble_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct b43_wldev *wldev = dev_to_b43_wldev(dev);
- unsigned long flags;
- int value;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- value = get_boolean(buf, count);
- if (value < 0)
- return value;
- mutex_lock(&wldev->wl->mutex);
- spin_lock_irqsave(&wldev->wl->irq_lock, flags);
-
- wldev->short_preamble = !!value;
-
- spin_unlock_irqrestore(&wldev->wl->irq_lock, flags);
- mutex_unlock(&wldev->wl->mutex);
-
- return count;
-}
-
-static DEVICE_ATTR(shortpreamble, 0644,
- b43_attr_preamble_show, b43_attr_preamble_store);
-
int b43_sysfs_register(struct b43_wldev *wldev)
{
struct device *dev = wldev->dev->dev;
- int err;
B43_WARN_ON(b43_status(wldev) != B43_STAT_INITIALIZED);
- err = device_create_file(dev, &dev_attr_interference);
- if (err)
- goto out;
- err = device_create_file(dev, &dev_attr_shortpreamble);
- if (err)
- goto err_remove_interfmode;
-
- out:
- return err;
- err_remove_interfmode:
- device_remove_file(dev, &dev_attr_interference);
- goto out;
+ return device_create_file(dev, &dev_attr_interference);
}
void b43_sysfs_unregister(struct b43_wldev *wldev)
{
struct device *dev = wldev->dev->dev;
- device_remove_file(dev, &dev_attr_shortpreamble);
device_remove_file(dev, &dev_attr_interference);
}