===== include/linux/ata.h 1.17 vs edited =====
--- 1.17/include/linux/ata.h	2004-08-18 01:47:22 -04:00
+++ edited/include/linux/ata.h	2004-08-29 14:18:02 -04:00
@@ -218,6 +218,7 @@
 };
 
 #define ata_id_is_ata(dev)	(((dev)->id[0] & (1 << 15)) == 0)
+#define ata_id_is_sata(dev)	((dev)->id[93] == 0)
 #define ata_id_rahead_enabled(dev) ((dev)->id[85] & (1 << 6))
 #define ata_id_wcache_enabled(dev) ((dev)->id[85] & (1 << 5))
 #define ata_id_has_flush(dev) ((dev)->id[83] & (1 << 12))