HID: hidraw: make comment more accurate and nicer

Reformat and reword some of the comments to make them more understandable.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hidraw.c

@@ -6,7 +6,7 @@
  * to work on raw hid events as they want to, and avoids a need to
  * use a transport-specific userspace libhid/libusb libraries.
  *
- *  Copyright (c) 2007 Jiri Kosina
+ *  Copyright (c) 2007-2014 Jiri Kosina
  */
 
 /*
@@ -104,8 +104,11 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
 	return ret;
 }
 
-/* The first byte is expected to be a report number.
- * This function is to be called with the minors_lock mutex held */
+/*
+ * The first byte of the report buffer is expected to be a report number.
+ *
+ * This function is to be called with the minors_lock mutex held.
+ */
 static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, size_t count, unsigned char report_type)
 {
 	unsigned int minor = iminor(file_inode(file));
@@ -157,7 +160,6 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
 	return ret;
 }
 
-/* the first byte is expected to be a report number */
 static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
 {
 	ssize_t ret;
@@ -168,12 +170,15 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t
 }
 
 
-/* This function performs a Get_Report transfer over the control endpoint
+/*
+ * This function performs a Get_Report transfer over the control endpoint
  * per section 7.2.1 of the HID specification, version 1.1.  The first byte
  * of buffer is the report number to request, or 0x0 if the defice does not
  * use numbered reports. The report_type parameter can be HID_FEATURE_REPORT
- * or HID_INPUT_REPORT.  This function is to be called with the minors_lock
- *  mutex held. */
+ * or HID_INPUT_REPORT.
+ *
+ * This function is to be called with the minors_lock mutex held.
+ */
 static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t count, unsigned char report_type)
 {
 	unsigned int minor = iminor(file_inode(file));
@@ -209,8 +214,10 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
 		goto out;
 	}
 
-	/* Read the first byte from the user. This is the report number,
-	 * which is passed to dev->hid_get_raw_report(). */
+	/*
+	 * Read the first byte from the user. This is the report number,
+	 * which is passed to dev->hid_get_raw_report().
+	 */
 	if (copy_from_user(&report_number, buffer, 1)) {
 		ret = -EFAULT;
 		goto out_free;
@@ -498,7 +505,7 @@ int hidraw_connect(struct hid_device *hid)
 	int minor, result;
 	struct hidraw *dev;
 
-	/* we accept any HID device, no matter the applications */
+	/* we accept any HID device, all applications */
 
 	dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL);
 	if (!dev)