diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index a0eb87f59134141340181afe21c12d615d0a4484..cea1ac222a90bc148aa430ceaf557e595afe7981 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -114,6 +114,8 @@
  *   the register setting lists into the table indexed by the clock selected
  * - set the correct hwif->ultra_mask for each individual chip
  * - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards
+ * - stop resetting HPT370's state machine before each DMA transfer as that has
+ *   caused more harm than good
  *	Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com>
  */
 
@@ -133,7 +135,7 @@
 #define DRV_NAME "hpt366"
 
 /* various tuning parameters */
-#define HPT_RESET_STATE_ENGINE
+#undef	HPT_RESET_STATE_ENGINE
 #undef	HPT_DELAY_INTERRUPT
 
 static const char *quirk_drives[] = {