* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
- * You need an userspace library to cooperate with this driver. It (and other
+ * You need a userspace library to cooperate with this driver. It (and other
* info) may be obtained here:
* http://www.fi.muni.cz/~xslaby/phantom.html
* or alternatively, you might use OpenHaptics provided by Sensable.
#include <linux/interrupt.h>
#include <linux/cdev.h>
#include <linux/phantom.h>
+#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <asm/atomic.h>
return mask;
}
-static struct file_operations phantom_file_ops = {
+static const struct file_operations phantom_file_ops = {
.open = phantom_open,
.release = phantom_release,
.unlocked_ioctl = phantom_ioctl,