ata: libata: remove 'new' ata message handling

Remove the remaining bits for the 'new' ata message handling.
Signed-off-by: NHannes Reinecke <hare@suse.de>
Signed-off-by: NDamien Le Moal <damien.lemoal@opensource.wdc.com>

include/linux/libata.h

@@ -68,18 +68,6 @@
 	}							\
 })
 
-/* NEW: debug levels */
-#define HAVE_LIBATA_MSG 1
-
-static inline u32 ata_msg_init(int dval, int default_msg_enable_bits)
-{
-	if (dval < 0 || dval >= (sizeof(u32) * 8))
-		return default_msg_enable_bits; /* should be 0x1 - only driver info msgs */
-	if (!dval)
-		return 0;
-	return (1 << dval) - 1;
-}
-
 /* defines only for the constants which don't work well as enums */
 #define ATA_TAG_POISON		0xfafbfcfdU
 
@@ -864,7 +852,6 @@ struct ata_port {
 
 	unsigned int		hsm_task_state;
 
-	u32			msg_enable;
 	struct list_head	eh_done_q;
 	wait_queue_head_t	eh_wait_q;
 	int			eh_tries;