ide: clear HOB bit for REQ_TYPE_ATA_CMD requests in ide_end_drive_cmd()

ide_dump_status() may set HOB bit before ide_end_drive_cmd() is called.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-io.c

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 5b213dc..f01b103 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -370,6 +370,8 @@
 		if (args) {
 			args[0] = stat;
 			args[1] = err;
+			/* be sure we're looking at the low order bits */
+			hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
 			args[2] = hwif->INB(IDE_NSECTOR_REG);
 		}
 	} else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {