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path: root/drivers/usb/core/sysfs.c
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Diffstat (limited to 'drivers/usb/core/sysfs.c')
-rw-r--r--drivers/usb/core/sysfs.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 9e491ca2e5c4..566d9f94f735 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -230,6 +230,28 @@ show_urbnum(struct device *dev, struct device_attribute *attr, char *buf)
}
static DEVICE_ATTR(urbnum, S_IRUGO, show_urbnum, NULL);
+static ssize_t
+show_removable(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct usb_device *udev;
+ char *state;
+
+ udev = to_usb_device(dev);
+
+ switch (udev->removable) {
+ case USB_DEVICE_REMOVABLE:
+ state = "removable";
+ break;
+ case USB_DEVICE_FIXED:
+ state = "fixed";
+ break;
+ default:
+ state = "unknown";
+ }
+
+ return sprintf(buf, "%s\n", state);
+}
+static DEVICE_ATTR(removable, S_IRUGO, show_removable, NULL);
#ifdef CONFIG_PM
@@ -626,6 +648,7 @@ static struct attribute *dev_attrs[] = {
&dev_attr_avoid_reset_quirk.attr,
&dev_attr_authorized.attr,
&dev_attr_remove.attr,
+ &dev_attr_removable.attr,
NULL,
};
static struct attribute_group dev_attr_grp = {