4 files changed, 14 insertions, 6 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f712e4cfd9dc..7cf3eb023521 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -776,7 +776,7 @@ static void update_ordered(ide_drive_t *drive)
 		 * not available so we don't need to recheck that.
 		 */
 		capacity = idedisk_capacity(drive);
-		barrier = ide_id_has_flush_cache(id) &&
+		barrier = ide_id_has_flush_cache(id) && !drive->noflush &&
 			(drive->addressing == 0 || capacity <= (1ULL << 28) ||
 			 ide_id_has_flush_cache_ext(id));
 
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 98918fb6b2ce..7c3a13e1cf64 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -750,7 +750,7 @@ void ide_dma_verbose(ide_drive_t *drive)
 			goto bug_dma_off;
 		printk(", DMA");
 	} else if (id->field_valid & 1) {
-		printk(", BUG");
+		goto bug_dma_off;
 	}
 	return;
 bug_dma_off:
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 05fbd9298db7..defd4b4bd374 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1539,7 +1539,7 @@ static int __init ide_setup(char *s)
 		const char *hd_words[] = {
 			"none", "noprobe", "nowerr", "cdrom", "serialize",
 			"autotune", "noautotune", "minus8", "swapdata", "bswap",
-			"minus11", "remap", "remap63", "scsi", NULL };
+			"noflush", "remap", "remap63", "scsi", NULL };
 		unit = s[2] - 'a';
 		hw   = unit / MAX_DRIVES;
 		unit = unit % MAX_DRIVES;
@@ -1578,6 +1578,9 @@ static int __init ide_setup(char *s)
 			case -10: /* "bswap" */
 				drive->bswap = 1;
 				goto done;
+			case -11: /* noflush */
+				drive->noflush = 1;
+				goto done;
 			case -12: /* "remap" */
 				drive->remap_0_to_1 = 1;
 				goto done;
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 3cb04424d351..e9bad185968a 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -498,9 +498,14 @@ static int config_chipset_for_dma (ide_drive_t *drive)
 {
 	u8 speed	= ide_dma_speed(drive, it821x_ratemask(drive));
 
-	config_it821x_chipset_for_pio(drive, !speed);
-	it821x_tune_chipset(drive, speed);
-	return ide_dma_enable(drive);
+	if (speed) {
+		config_it821x_chipset_for_pio(drive, 0);
+		it821x_tune_chipset(drive, speed);
+
+		return ide_dma_enable(drive);
+	}
+
+	return 0;
 }
 
 /**