1 files changed, 16 insertions, 22 deletions

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 3e43b88..7201b17 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -254,16 +254,13 @@ EXPORT_SYMBOL_GPL(ide_cd_get_xferlen);
 
 void ide_read_bcount_and_ireason(ide_drive_t *drive, u16 *bcount, u8 *ireason)
 {
-	struct ide_cmd cmd;
+	struct ide_taskfile tf;
 
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.tf_flags = IDE_TFLAG_IN_LBAH | IDE_TFLAG_IN_LBAM |
-		       IDE_TFLAG_IN_NSECT;
+	drive->hwif->tp_ops->tf_read(drive, &tf, IDE_VALID_NSECT |
+				     IDE_VALID_LBAM | IDE_VALID_LBAH);
 
-	drive->hwif->tp_ops->tf_read(drive, &cmd);
-
-	*bcount = (cmd.tf.lbah << 8) | cmd.tf.lbam;
-	*ireason = cmd.tf.nsect & 3;
+	*bcount = (tf.lbah << 8) | tf.lbam;
+	*ireason = tf.nsect & 3;
 }
 EXPORT_SYMBOL_GPL(ide_read_bcount_and_ireason);
 
@@ -439,12 +436,12 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
 	return ide_started;
 }
 
-static void ide_init_packet_cmd(struct ide_cmd *cmd, u32 tf_flags,
+static void ide_init_packet_cmd(struct ide_cmd *cmd, u8 valid_tf,
 				u16 bcount, u8 dma)
 {
-	cmd->protocol  = dma ? ATAPI_PROT_DMA : ATAPI_PROT_PIO;
-	cmd->tf_flags |= IDE_TFLAG_OUT_LBAH | IDE_TFLAG_OUT_LBAM |
-			 IDE_TFLAG_OUT_FEATURE | tf_flags;
+	cmd->protocol = dma ? ATAPI_PROT_DMA : ATAPI_PROT_PIO;
+	cmd->valid.out.tf = IDE_VALID_LBAH | IDE_VALID_LBAM |
+			    IDE_VALID_FEATURE | valid_tf;
 	cmd->tf.command = ATA_CMD_PACKET;
 	cmd->tf.feature = dma;		/* Use PIO/DMA */
 	cmd->tf.lbam    = bcount & 0xff;
@@ -453,14 +450,11 @@ static void ide_init_packet_cmd(struct ide_cmd *cmd, u32 tf_flags,
 
 static u8 ide_read_ireason(ide_drive_t *drive)
 {
-	struct ide_cmd cmd;
-
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.tf_flags = IDE_TFLAG_IN_NSECT;
+	struct ide_taskfile tf;
 
-	drive->hwif->tp_ops->tf_read(drive, &cmd);
+	drive->hwif->tp_ops->tf_read(drive, &tf, IDE_VALID_NSECT);
 
-	return cmd.tf.nsect & 3;
+	return tf.nsect & 3;
 }
 
 static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason)
@@ -588,12 +582,12 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd)
 	ide_expiry_t *expiry = NULL;
 	struct request *rq = hwif->rq;
 	unsigned int timeout;
-	u32 tf_flags;
 	u16 bcount;
+	u8 valid_tf;
 	u8 drq_int = !!(drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT);
 
 	if (dev_is_idecd(drive)) {
-		tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;
+		valid_tf = IDE_VALID_NSECT | IDE_VALID_LBAL;
 		bcount = ide_cd_get_xferlen(rq);
 		expiry = ide_cd_expiry;
 		timeout = ATAPI_WAIT_PC;
@@ -607,7 +601,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd)
 		pc->xferred = 0;
 		pc->cur_pos = pc->buf;
 
-		tf_flags = IDE_TFLAG_OUT_DEVICE;
+		valid_tf = IDE_VALID_DEVICE;
 		bcount = ((drive->media == ide_tape) ?
 				pc->req_xfer :
 				min(pc->req_xfer, 63 * 1024));
@@ -627,7 +621,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd)
 						       : WAIT_TAPE_CMD;
 	}
 
-	ide_init_packet_cmd(cmd, tf_flags, bcount, drive->dma);
+	ide_init_packet_cmd(cmd, valid_tf, bcount, drive->dma);
 
 	(void)do_rw_taskfile(drive, cmd);