Put avalon last in the sequence of adding drivers to prevent it trying to claim similar chip devices on startup.

miner.h

@@ -230,15 +230,17 @@ static inline int fsync (int fd)
 #define MIN(x, y)	((x) > (y) ? (y) : (x))
 #define MAX(x, y)	((x) > (y) ? (x) : (y))
 
+/* Put avalon last to make it the last device it tries to detect to prevent it
+ * trying to claim same chip but different devices. */
 #define DRIVER_PARSE_COMMANDS \
-	DRIVER_ADD_COMMAND(avalon) \
 	DRIVER_ADD_COMMAND(bflsc) \
 	DRIVER_ADD_COMMAND(bitforce) \
 	DRIVER_ADD_COMMAND(bitfury) \
 	DRIVER_ADD_COMMAND(icarus) \
 	DRIVER_ADD_COMMAND(modminer) \
 	DRIVER_ADD_COMMAND(opencl) \
-	DRIVER_ADD_COMMAND(ztex)
+	DRIVER_ADD_COMMAND(ztex) \
+	DRIVER_ADD_COMMAND(avalon)
 
 /* Create drv_driver enum from DRIVER_PARSE_COMMANDS macro */
 #define DRIVER_ADD_COMMAND(X) DRIVER_##X,