[PATCH 3/20] dtc2278: ->io_32bit setting don't have to be identical for master/slave

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

drive->io_32bit is used per PIO transfer so there is no reason to
require it to be identical for master/slave.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide.c            |    4 ----
 drivers/ide/legacy/dtc2278.c |    7 +------
 2 files changed, 1 insertion(+), 10 deletions(-)

Index: b/drivers/ide/ide.c
===================================================================
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -795,10 +795,6 @@ int set_io_32bit(ide_drive_t *drive, int
 		return -EBUSY;
 
 	drive->io_32bit = arg;
-#ifdef CONFIG_BLK_DEV_DTC2278
-	if (HWIF(drive)->chipset == ide_dtc2278)
-		HWIF(drive)->drives[!drive->select.b.unit].io_32bit = arg;
-#endif /* CONFIG_BLK_DEV_DTC2278 */
 
 	spin_unlock_irq(&ide_lock);
 
Index: b/drivers/ide/legacy/dtc2278.c
===================================================================
--- a/drivers/ide/legacy/dtc2278.c
+++ b/drivers/ide/legacy/dtc2278.c
@@ -34,8 +34,7 @@
  * filesystem  corrupted with -u1, but under heavy disk load only :-)
  *
  * This card is now forced to use the "serialize" feature,
- * and irq-unmasking is disallowed.  If io_32bit is enabled,
- * it must be done for BOTH drives on each interface.
+ * and irq-unmasking is disallowed.
  *
  * This code was written for the DTC2278E, but might work with any of these:
  *
@@ -87,11 +86,7 @@ static void dtc2278_set_pio_mode(ide_dri
 		   Winbond but does anyone actually care */
 	}
 
-	/*
-	 * 32bit I/O has to be enabled for *both* drives at the same time.
-	 */
 	drive->io_32bit = 1;
-	HWIF(drive)->drives[!drive->select.b.unit].io_32bit = 1;
 }
 
 static int __init dtc2278_probe(void)