rt2x00: Add chipset version to chipset debugfs entry

The chipset debugfs entry already indicates it is about the chipset,
it only makes sense to also display the chipset version in there.
Signed-off-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2x00debug.c

@@ -251,16 +251,21 @@ static struct dentry *rt2x00debug_create_file_chipset(const char *name,
 	const struct rt2x00debug *debug = intf->debug;
 	char *data;
 
-	data = kzalloc(4 * PRINT_LINE_LEN_MAX, GFP_KERNEL);
+	data = kzalloc(8 * PRINT_LINE_LEN_MAX, GFP_KERNEL);
 	if (!data)
 		return NULL;
 
-	blob->data = data;
+	data += sprintf(data, "rt chip: %04x\n", intf->rt2x00dev->chip.rt);
+	data += sprintf(data, "rf chip: %04x\n", intf->rt2x00dev->chip.rf);
+	data += sprintf(data, "revision:%08x\n", intf->rt2x00dev->chip.rev);
+	data += sprintf(data, "\n");
 	data += sprintf(data, "csr length: %d\n", debug->csr.word_count);
 	data += sprintf(data, "eeprom length: %d\n", debug->eeprom.word_count);
 	data += sprintf(data, "bbp length: %d\n", debug->bbp.word_count);
 	data += sprintf(data, "rf length: %d\n", debug->rf.word_count);
-	blob->size = strlen(blob->data);
+
+	blob->data = data;
+	blob->size = strlen(data);
 
 	return debugfs_create_blob(name, S_IRUGO, intf->driver_folder, blob);
 }